Skip to main content
Log in
TE Connectivity AMP Connectors 2-520181-4 — Quick-Disconnect Terminals

TE Ultra-Fast 2-520181-4 QC Receptacle 0.187" 18-22 AWG

MPN2-520181-4
Active

TE Connectivity AMP Ultra-Fast quick-disconnect receptacle, order code 2-520181-4, female, 0.187" (4.75mm) tab width, 18-22 AWG, tin-plated phosphor bronze, fully insulated, free hanging, crimp termination.

$0.3400Ref. price · indicative, final on quote
RoHSRoHS Compliant
SeriesUltra-Fast
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Aug 2026

Specifications

2-520181-4 specifications
ParameterValue
SeriesUltra-Fast
MountingFree Hanging (In-Line)
Terminal typeStandard
Wire gauge18-22 AWG
ColorRed
Tab width0.187\" (4.75mm)
Contact materialPhosphor Bronze
GenderFemale
PackageTape & Reel (TR) Cut Tape (CT)
InsulationFully Insulated
TerminationCrimp
Tab thickness0.020\" (0.51mm)
Contact finishTin
Length - overall0.855\" (21.72mm)
Insulation diameter0.135\" (3.43mm)

Product details

0.187" tab, 18-22 AWG, tin-plated phosphor bronze

The 2-520181-4 is a fully insulated female quick-disconnect receptacle in TE's Ultra-Fast series, accepting 0.187" (4.75mm) tab width on 18-22 AWG wire. Tin-plated phosphor bronze contact, crimp termination, free-hanging mount.

Brass vs phosphor bronze — same tab, different contact metal

The 2-520181-4 uses phosphor bronze contacts; the 2-520181-2 is otherwise identical but uses brass contacts — same 0.187" tab width, same 18-22 AWG range, same fully insulated red housing.

Frequently asked questions

What compliance documentation is available for the 2-520181-4?

The 2-520181-4 is RoHS Compliant per TE Connectivity AMP Connectors.