AMP - TE CONNECTIVITY  2-521144-2  Quick Disconnect Terminal, Ultra-Fast FASTON Series, 22 AWG, 18 AWG, 0.82 mm²

Technical Data Sheet (515.67KB) EN See all Technical Docs

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Product Overview

The Ultra-Fast FASTON series ultra-fast fully insulated FASTON Receptacle offers the advantage of a completely protected terminal and a wire crimp with comparable electromechanical performance to open barrel F crimp FASTON terminals. The user-friendly design combines easy mating with rounded corners. The 0.187 and 0.250 series receptacles incorporate a two-stage roll configuration and a cantilever mounted dimple which provides easy insertion and multiple independent points of contact for reduced tab interface resistance. In addition, electrical short circuits from exposed leads are eliminated, even in equipment requiring close contact spacing. The ultra-fast FASTON receptacle housing completely encloses a tin plated copper alloy premier FASTON receptacle which has been stress-relieved for increased durability and resistance to abuse. The FASTON receptacle is recessed sufficiently within the housing to allow its use in 600V applications.
  • One-piece fully insulated premier line FASTON receptacle crimp helps prevent shock and short hazards
  • Designed for correct lead-in of tab
  • Designed for full mating with a variety of tab styles including those with shoulders
  • Funnel wire entry
  • Wire stop
  • Visual inspection of crimp and wire brush
  • Assemblies are colour-coded by wire size
  • Assemblies contain wire size and tab size designation
  • Mating tab thickness marked on terminal and visible through housing (0.110, 0.187 and 0.205 series)


Product Information

Product Range:
Ultra-Fast FASTON Series
Wire Size AWG Min:
Wire Size AWG Max:
Conductor Area CSA:
Terminal Type:
Male Quick Disconnect
Insulator Colour:
Tab Size - Metric:
6.35mm x 0.81mm
Tab Size - Imperial:
0.25" x 0.032"
Insulator Material:
Nylon 6.6 (Polyamide 6.6)
Terminal Material:
Contact Plating:
Ultra-Fast FASTON
Contact Material:
Stud/Tab Size:
0.25" x 0.032"
Termination Method:
Connector Type:
Male Disconnect
To Be Advised

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