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TE Connectivity AMP Connectors 4-644457-2 — Pin Headers

4-644457-2 TE Connectivity MTA-100 Header, 12 Pos

MPN4-644457-2
Active

TE Connectivity AMP MTA-100 unshrouded pin header, 4-644457-2, 12 circuits single row, 0.100" (2.54 mm) pitch, through-hole right-angle, tin-plated contacts, UL94 V-0, Bulk.

$1.0900Ref. 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

4-644457-2 key specifications
ParameterValue
SeriesMTA-100
TypeMale Pin
MountingThrough Hole, Right Angle
Connector typeHeader
Voltage rating250VAC
Current ratingVaries by Wire Gauge
Operating temperature-55°C ~ 105°C
Contact materialCopper Alloy
Insulation colorNatural
Insulation height0.100\" (2.54mm)
Insulation materialThermoplastic
Material flammability ratingUL94 V-0

All specifications

4-644457-2 additional specifications
ParameterValue
StyleBoard to Cable/Wire
PackageBulk
ShroudingUnshrouded
TerminationSolder
ApplicationsGeneral Purpose
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions12
Contact finish - postTin
Contact length - post0.110\" (2.79mm)
Contact finish - matingTin
Contact length - mating0.260\" (6.60mm)
Contact finish thickness - post150.0µin (3.81µm)
Contact finish thickness - mating150.0µin (3.81µm)

Product details

Board-to-wire header for tight enclosures

The 4-644457-2 is a 12-position, single-row unshrouded pin header from TE's MTA-100 series, designed for board-to-wire connections.

Pitch, positions, and plating

Unshrouded vs shrouded — a selection note

Unlike the shrouded 4-641216-1 (11 positions, gold-plated, friction lock), the 4-644457-2 is unshrouded — no plastic wall surrounds the pins. For applications requiring vibration-resistant locking, the shrouded sibling with a friction lock is the better choice. For simple, low-cost board-to-wire interconnects where space is tight, the unshrouded 4-644457-2 fits.

Frequently asked questions

What is the pitch of TE 4-644457-2?

The pitch is 0.100" (2.54 mm), standard for the MTA-100 series.

Is 4-644457-2 RoHS compliant?

Yes, it is RoHS compliant.

What is the current rating of 4-644457-2?

The current rating varies by wire gauge used in the mating receptacle — refer to the MTA-100 derating curves for your specific conductor size.

What is the closest functional second-source for 4-644457-2?

The 3-644457-3 is the same series, unshrouded, right-angle, tin-plated, but with only 3 positions. For a 12-position match, the 1-640453-2 is identical in pitch, plating, and orientation.