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TE Connectivity AMP Connectors 2-644861-3 — Pin Headers

2-644861-3 TE Connectivity MTA-100 Header 3 Pos 2.54mm

MPN2-644861-3
Active

TE Connectivity AMP Connectors MTA-100, Board to Cable/Wire, Header, Male Pin, 3 Positions, 0.100" (2.54mm) Pitch, Through Hole, Solder, Shrouded - 4 Wall, Friction Lock, Tin Contact Finish Mating and Post, UL94 V-0, -55°C ~ 105°C, 250VAC, Active, RoHS Compliant

$0.5400Ref. price · indicative, final on quote
RoHSRoHS Compliant
SeriesMTA-100
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 supplier — new & surplus connector stock· Listing updated Aug 2026

Specifications

2-644861-3 key specifications
ParameterValue
SeriesMTA-100
TypeMale Pin
MountingThrough Hole
Connector typeHeader
Fastening typeFriction Lock
Voltage rating250VAC
Current ratingVaries by Wire Gauge
Operating temperature-55°C ~ 105°C
Contact materialCopper Alloy
Insulation colorBlack
Insulation height0.410\" (10.41mm)
Insulation materialPolyester

All specifications

2-644861-3 additional specifications
ParameterValue
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageBulk
ShroudingShrouded - 4 Wall
TerminationSolder
ApplicationsGeneral Purpose
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions3
Contact finish - postTin
Contact length - post0.140\" (3.56mm)
Overall contact length0.440\" (11.18mm)
Contact finish - matingTin
Contact length - mating0.200\" (5.08mm)

Product details

3-position shrouded header for wire-to-board harnesses

The friction lock provides retention without a separate latch — audible click confirms full engagement.

Through-hole solder termination and tin plating

The mating pin length of 0.200" (5.08mm) ensures reliable contact wipe with standard MTA-100 receptacles. The UL94 V-0 polyester housing withstands wave solder and cleaning processes without deformation.

Frequently asked questions

What mates with 2-644861-3?

This shrouded header mates with MTA-100 IDC receptacles and crimp-style housings of the same series, 0.100" pitch, 3 positions. The friction lock engages with the mating housing's locking ramp.