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JST SM12B-GHS-TB(LF)(SN) — Pin Headers

SM12B-GHS-TB(LF)(SN) JST GH Header 12 Pos 1.25mm SMT Right

MPNSM12B-GHS-TB(LF)(SN)
Active

JST Sales America Inc. GH series header, SM12B-GHS-TB(LF)(SN), 12 positions, 1.25 mm pitch, surface-mount right-angle, tin-plated contacts, locking ramp, UL94 V-0 natural housing.

$0.7200Ref. price · indicative, final on quote
JST SM12B-GHS-TB(LF)(SN) datasheet (PDF)
RoHSRoHS Compliant
SeriesGH
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

SM12B-GHS-TB(LF)(SN) key specifications
ParameterValue
SeriesGH
TypeOuter Shroud Contact
MountingSurface Mount, Right Angle
Connector typeHeader
Fastening typeLocking Ramp
Voltage rating50V
Current rating1A
Operating temperature-25°C~85°C
Contact materialPhosphor Bronze
Insulation colorNatural
Insulation height0.167\" (4.25mm)
Insulation materialPolyamide (PA9T), Nylon 9T

All specifications

SM12B-GHS-TB(LF)(SN) additional specifications
ParameterValue
Material flammability ratingUL94 V-0
StyleBoard to Cable/Wire
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesSolder Retention
ShroudingShrouded - 4 Wall
TerminationSolder
Contact shapeRectangular
Rows1
Pitch0.049\" (1.25mm)
Positions12
Contact finish - postTin
Contact finish - matingTin

Product details

The SM12B-GHS-TB(LF)(SN): The tin-plated mating finish keeps cost down for applications with moderate mating cycles, such as once during assembly and occasional field service.

Board Layout and Termination Details

This is a surface-mount, right-angle header with solder termination. The insulation height of 0.167 inches (4.25 mm) gives clearance for the mating receptacle's latch. The rectangular contact shape and phosphor bronze base material provide consistent spring force over the rated temperature range of -25°C to 85°C.

Frequently asked questions

Will SM12B-GHS-TB(LF)(SN) drop into a board designed for SM12B-GHS-TB?

Yes. The SM12B-GHS-TB(LF)(SN) is functionally identical to the SM12B-GHS-TB — same pitch, position count, mounting, and mating interface. The suffix only denotes lead-free and tin finish compliance. No PCB or wiring changes are needed.