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WMHP100-4R7F
Through Hole Resistor, 4.7 ohm, WMHP Series, 100 W, ± 1%, TO-247, 700 V
Image is for illustrative purposes only. Please refer to product description.
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoWMHP100-4R7F
Newark Part No.40Y2745
Product RangeWMHP Series
Your Part Number
Technical Datasheet
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Product Information
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoWMHP100-4R7F
Newark Part No.40Y2745
Product RangeWMHP Series
Technical Datasheet
Resistance4.7ohm
Product RangeWMHP Series
Power Rating100W
Resistance Tolerance± 1%
Resistor Case / PackageTO-247
Voltage Rating700V
Resistor TechnologyThick Film
Temperature Coefficient± 100ppm/°C
Resistor TypeHigh Power
Product Diameter-
Product Length15.75mm
Product Width4.95mm
Operating Temperature Min-65°C
Operating Temperature Max175°C
Qualification-
SVHCNo SVHC (25-Jun-2025)
Product Overview
The Welwyn WMHP series are heatsink through hole mount high power resistors. Resistance range includes E24 decade values from 0.05ohm to 10Kohm.
- Available in WMHP20, WMHP35, WMHP50 in TO-220 and WMHP100 in TO-247 case style
- Power rating is 20W (WMHP20), 35W (WMHP35), 50W (WMHP50) & 100W (WMHP100) with heatsink
- Power rating is 1.5W (WMHP20), 2.5W (WMHP35), 3W (WMHP50) & 3.5W (WMHP100) without heatsink
- Available in ±1% and ±5% tolerance
- Working temperature range from -65°C to 175°C
- Temperature coefficient of resistance is ±50ppm/°C, ±100ppm/°C and ±300ppm/°C and ±1000ppm/°C
- Dielectric strength is 1800V
- Insulation resistance is greater than 10Gohm
- Limiting element voltage is 350V (WMHP20, WMHP35, WMHP50) & 700V (WMHP100)
- High Power Resistor
Technical Specifications
Resistance
4.7ohm
Power Rating
100W
Resistor Case / Package
TO-247
Resistor Technology
Thick Film
Resistor Type
High Power
Product Length
15.75mm
Operating Temperature Min
-65°C
Qualification
-
Product Range
WMHP Series
Resistance Tolerance
± 1%
Voltage Rating
700V
Temperature Coefficient
± 100ppm/°C
Product Diameter
-
Product Width
4.95mm
Operating Temperature Max
175°C
SVHC
No SVHC (25-Jun-2025)
Technical Docs (2)
Legislation and Environmental
US ECCN:EAR99
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (25-Jun-2025)
Download Product Compliance Certificate
Product Compliance Certificate