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TE Connectivity AMP Connectors 1-644694-3 — Pin Headers, Sockets & Housings

1-644694-3 TE Connectivity MTA-100 Header, 13 Pos, Obsolete

MPN1-644694-3
Obsolete

TE Connectivity AMP MTA-100 unshrouded header, 13 circuits, 0.100" (2.54 mm) pitch, right-angle through-hole, tin-lead plated male pins, UL94 V-0 natural thermoplastic housing.

$0.6300Ref. price · indicative, final on quote
TE Connectivity AMP Connectors 1-644694-3 datasheet (PDF)
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 Jul 2026

Specifications

1-644694-3 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

1-644694-3 additional specifications
ParameterValue
StyleBoard to Cable/Wire
PackageBulk
ShroudingUnshrouded
TerminationKinked Pin, Solder
ApplicationsGeneral Purpose
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions13
Contact finish - postTin-Lead
Contact length - post0.110\" (2.79mm)
Contact finish - matingTin-Lead
Contact length - mating0.260\" (6.60mm)
Contact finish thickness - post150.0µin (3.81µm)
Contact finish thickness - mating150.0µin (3.81µm)

Product details

13-Position Right-Angle Header from the MTA-100 Family

The 1-644694-3: The mating finish is 150 µinch tin-lead over copper alloy — a legacy plating that provides adequate corrosion resistance for general-purpose indoor use, but the tin-lead composition means this part predates RoHS restrictions and is not compatible with lead-free assembly processes.

No official successor part number is listed by the manufacturer. The MTA-100 series continues in production with RoHS-compliant tin or gold finishes — a direct pin-compatible replacement would need the same 13-position, 0.100" pitch, right-angle footprint, but with a lead-free plating. Available through independent surplus and distribution channels.

Post length is 0.110" (2.79 mm), which suits standard 0.062" PCBs with room for the solder fillet.

Frequently asked questions

What is a direct replacement for the 1-644694-3?

TE does not list a direct successor for this obsolete part. A functional replacement would be a 13-position, 0.100" pitch, right-angle, unshrouded header from the MTA-100 series with a RoHS-compliant finish (tin or gold). Confirm the mating half and board footprint match before committing.

Is the 1-644694-3 header RoHS compliant?

No. The mating and post finishes are tin-lead (150 µinch), which is not RoHS compliant. This part is intended for legacy or repair applications where lead-bearing solder is acceptable.