New DealsOffersContact UsHelpTrack Ordersen español
Home
Login
Register
My Account
0
0 Items$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      ANALOG DEVICES
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      KEYSIGHT TECHNOLOGIES
      OMEGA
      NI-EMERSON
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View all manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn more
      • Resources
      • Services
        • Custom Components
        • Purchase & Procurement Support
        • Stock management
        • Design
        • Education
        • Packaging Solutions
        • Custom Orders
        View All Services
        Technical Resources
        • DevKit HQ
        • eTechJournal
        • Artificial Intelligence
        • Internet of Things
        • Security & Surveillance
        • Healthcare
        • OEM Solutions
        • EV Charging
        • Transportation
        • Industrial Automation
        • Robotics
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Motor Control
        • Calculators & Charts
        • Engineering Glossary
        View All Tech Resources
        Help
        • Contact Us
        • New To Newark
        • Technical Support
        • Delivery Information
        • Tariff Updates & Resources
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchase & Procurement Support
              • Stock management
                • Design
                  • Education
                    • Packaging Solutions
                      • Custom Orders
                        • View All Services
                        • Technical Resources
                          • Back to Technical Resources
                          • DevKit HQ
                            • eTechJournal
                              • Artificial Intelligence
                                • Internet of Things
                                  • Security & Surveillance
                                    • Healthcare
                                      • OEM Solutions
                                        • EV Charging
                                          • Transportation
                                            • Industrial Automation
                                              • Robotics
                                                • Maintenance & Safety
                                                  • Wireless Technology
                                                    • Sensor Technology
                                                      • Power Management
                                                        • Motor Control
                                                          • Calculators & Charts
                                                            • Engineering Glossary
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To Newark
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Tariff Updates & Resources
                                                                          • Legislation and Environmental
                                                                            • FAQ's
                                                                              • Feedback
                                                                                • View All Help
                                                                              • Communities
                                                                              • element14
                                                                                Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                                hacksterio
                                                                                Hackster is a community dedicated to learning hardware.
                                                                                • Back to Communities
                                                                                • element14
                                                                                  • Hackster.io
                                                                                  • Bill of Materials (BOM) Upload
                                                                                    • Tools
                                                                                    • Quick Buy
                                                                                      BOM Upload
                                                                                      Request a Quote
                                                                                      All Buying Tools
                                                                                      • Back to Tools
                                                                                      • Quick Buy
                                                                                        • BOM Upload
                                                                                          • Request a Quote
                                                                                            • All Buying Tools
                                                                                            • Offers
                                                                                              • Contact Us
                                                                                                • Help
                                                                                                  • New Deals
                                                                                                    1. Home
                                                                                                    2. Circuit Protection
                                                                                                    3. Thermistors
                                                                                                    4. Resettable Fuses
                                                                                                    5. Radial Leaded PPTCs
                                                                                                    Print Page

                                                                                                    30R300UPR

                                                                                                    Resettable Fuse, PPTC, POLY-FUSE 30R Series, 30 VDC, 3 A, 6 A, 10.8 s, Rectangular

                                                                                                    Date/Lot Code

                                                                                                    LITTELFUSE
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    LITTELFUSE 30R300UPR
                                                                                                    ManufacturerLITTELFUSE
                                                                                                    Manufacturer Part No30R300UPR
                                                                                                    Newark Part No.05M1142
                                                                                                    Product RangePOLY-FUSE 30R Series
                                                                                                    Your Part Number
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    2,000 In Stock

                                                                                                    Need more?

                                                                                                    Same day shipping
                                                                                                    Order before 8pm EST standard shipping
                                                                                                    info icon

                                                                                                    Price shown includes applicable duties and tariffs
                                                                                                    QuantityPrice
                                                                                                    1+$0.982
                                                                                                    10+$0.770
                                                                                                    25+$0.712
                                                                                                    50+$0.654
                                                                                                    100+$0.610
                                                                                                    500+$0.522
                                                                                                    1000+$0.488
                                                                                                    Price for:Each
                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    $0.98
                                                                                                    Line Note
                                                                                                    Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                    Product Information

                                                                                                    LITTELFUSE
                                                                                                    ManufacturerLITTELFUSE
                                                                                                    Manufacturer Part No30R300UPR
                                                                                                    Newark Part No.05M1142
                                                                                                    Product RangePOLY-FUSE 30R Series
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Thermistor MountingThrough Hole
                                                                                                    Product RangePOLY-FUSE 30R Series
                                                                                                    Voltage Rating30VDC
                                                                                                    Holding Current3A
                                                                                                    Trip Current6A
                                                                                                    Time to Trip10.8s
                                                                                                    Fuse ShapeRectangular
                                                                                                    Current Rating Max40A
                                                                                                    Lead Spacing5.1mm
                                                                                                    Diameter-
                                                                                                    Length11.4mm
                                                                                                    Thickness3mm
                                                                                                    Height19.2mm
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max85°C
                                                                                                    SVHCTo Be Advised

                                                                                                    Product Overview

                                                                                                    30R300UPR is a 30R series radial leaded device designed to provide overcurrent protection for low voltage (≤30V) applications where space is not a concern and resettable protection is preferred. The application includes USB hubs, ports and peripherals, computers and peripherals, motor protection, general electronics, automotive applications.

                                                                                                    • Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements
                                                                                                    • Fast time-to-trip
                                                                                                    • 30VDC voltage rating, 3A holding current, 6A tripping current
                                                                                                    • Time to trip is 10.8s, 40A max current rating
                                                                                                    • Length is 11.4mm, thickness is 3mm, height is 19.2mm
                                                                                                    • Operating temperature range from -40 to 85°C

                                                                                                    Technical Specifications

                                                                                                    Thermistor Mounting

                                                                                                    Through Hole

                                                                                                    Voltage Rating

                                                                                                    30VDC

                                                                                                    Trip Current

                                                                                                    6A

                                                                                                    Fuse Shape

                                                                                                    Rectangular

                                                                                                    Lead Spacing

                                                                                                    5.1mm

                                                                                                    Length

                                                                                                    11.4mm

                                                                                                    Height

                                                                                                    19.2mm

                                                                                                    Operating Temperature Max

                                                                                                    85°C

                                                                                                    Product Range

                                                                                                    POLY-FUSE 30R Series

                                                                                                    Holding Current

                                                                                                    3A

                                                                                                    Time to Trip

                                                                                                    10.8s

                                                                                                    Current Rating Max

                                                                                                    40A

                                                                                                    Diameter

                                                                                                    -

                                                                                                    Thickness

                                                                                                    3mm

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    SVHC

                                                                                                    To Be Advised

                                                                                                    Technical Docs (2)

                                                                                                    Product Change Notice EN

                                                                                                    Technical Data Sheet EN

                                                                                                    Alternatives for 30R300UPR

                                                                                                    1 Product Found

                                                                                                    Legislation and Environmental

                                                                                                    US ECCN:Unknown
                                                                                                    EU ECCN:Unknown
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:To Be Advised
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Product traceability

                                                                                                    Date/Lot Code

                                                                                                    Prop65WarningIconPDPWARNINGProposition 65
                                                                                                    Customer Service
                                                                                                    I Need Help
                                                                                                    Sales 1 800 463 9275
                                                                                                    Technical 1 877 736 4835
                                                                                                    Live Agent
                                                                                                    Submit Feedback
                                                                                                    Help
                                                                                                    Quick Links
                                                                                                    Track my order
                                                                                                    FAQs
                                                                                                    Delivery Information
                                                                                                    Return a Product
                                                                                                    Our Company
                                                                                                    About us
                                                                                                    Quality Policy
                                                                                                    Careers
                                                                                                    Corporate Responsibility
                                                                                                    Social Media +

                                                                                                    Become a Newark Insider!

                                                                                                    LinkedIn
                                                                                                    Twitter
                                                                                                    Facebook
                                                                                                    Norton Secured
                                                                                                    BSI 9001
                                                                                                    AMEX
                                                                                                    Mastercard
                                                                                                    Visa
                                                                                                    Trade Account
                                                                                                    Terms of Use / Privacy Policy
                                                                                                    Terms of Use for API
                                                                                                    Legal and Copyright Notices
                                                                                                    Terms & Conditions
                                                                                                    Privacy Statement
                                                                                                    Sitemap
                                                                                                    An Avnet Company© 2026 Premier Farnell Limited. All Rights Reserved.