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TE Connectivity AMP Connectors 1-173851-1 — Connector Housings

TE 1-173851-1 Multi-Lock Plug Housing, 12 Pos, 3.50mm

MPN1-173851-1
Active

TE Connectivity Multi-Lock plug housing, 1-173851-1, 12 positions, 2 rows, 0.138" (3.50mm) pitch, free-hanging (in-line), crimp termination, white PBT, -30°C to 105°C, latch holder fastening.

$1.4500Ref. price · indicative, final on quote
RoHSRoHS Compliant
SeriesMulti-Lock
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

1-173851-1 specifications
ParameterValue
SeriesMulti-Lock
TypeFemale Socket
MountingFree Hanging (In-Line)
Connector typePlug
Fastening typeLatch Holder
Operating temperature-30°C ~ 105°C
ColorWhite
Insulation materialPolybutylene Terephthalate (PBT)
NoteContacts Not Included
Pitch0.138\" (3.50mm)
PackageTray
Row spacing0.232\" (5.90mm)
Rows2
Contact terminationCrimp
Positions12

Product details

Multi-Lock 12-Position Plug Housing — 3.50mm Pitch, Contacts Not Included

The 0.138" (3.50mm) pitch provides enough spacing for 20-16 AWG crimp terminals without the creepage constraints of finer-pitch connectors, and the latch holder fastening type keeps the mated pair locked against vibration — typical for automotive interior, industrial control panels, or appliance interconnects. The 0.232" (5.90mm) row spacing and 2-row layout accept a standard Multi-Lock terminal, and the free-hanging (in-line) mounting means this plug is the cable-side half, not a panel or PCB mount.

Sourcing — Active, But Confirm the Terminal

A BOM line for 1-173851-1 alone is incomplete — the terminal part number must be added before the harness can be assembled.

The 1-173851-1 is a plug housing — it mates with the matching Multi-Lock receptacle (header or housing) of the same 12-position, 2-row, 3.50mm pitch layout. The latch holder provides audible and tactile lock confirmation during assembly. The 2-row arrangement with 0.232" (5.90mm) row spacing gives the terminals mechanical stability and keeps the mated connector from rocking under cable strain.

Frequently asked questions

Where can I buy the TE 1-173851-1?

Submit an RFQ for your BOM quantity.

What contacts are used with 1-173851-1?

The 1-173851-1 is a plug housing only — contacts are not included. It accepts TE Multi-Lock female socket crimp terminals (typically from the 173851 series), which must be ordered separately. The housing is designed for crimp termination, so the terminal is crimped onto the wire and then inserted into the housing cavity.

Is 1-173851-1 a plug or receptacle?

The 1-173851-1 is a plug housing — it is the male half of the connector pair, designed to mate with a matching Multi-Lock receptacle (header or housing). It is free-hanging (in-line), not panel-mounted or PCB-mounted.