How do the JST S12B Series variants differ?

JST S12B Series part numbers differ by contact length - mating, contact length - post, contact material and contact shape. Use the selection guide above to pick by contact length - mating.

How many JST S12B Series part numbers are listed?

13 JST S12B Series part numbers are listed, each with specifications and a datasheet where available.

JST S12B Series

13 variants · JST

About the JST S12B Series

The JST S12B Series series groups 13 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common applications of -, connector type of Header and contact finish - mating of Tin. Variants differ by contact length - mating, contact length - post and contact material, so you can match the exact contact length - mating your application requires using the selection guide below. All listed JST S12B Series part numbers are active and orderable.

Select a variant by

Contact length - mating: - · 0.114\" (2.90mm) · 0.126\" (3.20mm) · 0.130\" (3.30mm) · 0.157\" (4.00mm)
Contact length - post: - · 0.118\" (3.00mm) · 0.126\" (3.20mm) · 0.134\" (3.40mm)
Contact material: Brass · Copper Alloy
Contact shape: Circular · Square
Current rating: 1A · 2A · 3A
Fastening type: Detent Lock · Latch Lock · Locking Ramp
Features: - · Board Guide · Board Lock · Solder Retention
Insulation height: 0.146\" (3.70mm) · 0.165\" (4.20mm) · 0.189\" (4.80mm) · 0.197\" (5.00mm) · 0.217\" (5.51mm) · 0.240\" (6.10mm) · 0.256\" (6.50mm) · 0.299\" (7.60mm) · 0.476\" (12.10mm)

Shared specifications

Applications: -
Connector type: Header
Contact finish - mating: Tin
Contact finish - post: Tin
Contact finish thickness - mating: -
Contact finish thickness - post: -
Gender: Male Pin
Ingress protection: -
Insulation color: Natural
Mated stacking heights: -
Material flammability rating: UL94 V-0
Overall contact length: -

Variant comparison

Parameter	S12B-EH	S12B-EH(LF)(SN)	S12B-PASK-2	S12B-PHDSS	S12B-PH-K-S(LF)(SN)	S12B-PH-SM4-TB(LF)(SN)
Contact length - mating	0.157\" (4.00mm)	0.157\" (4.00mm)	0.126\" (3.20mm)	0.114\" (2.90mm)	0.130\" (3.30mm)	0.130\" (3.30mm)
Contact length - post	0.126\" (3.20mm)	0.126\" (3.20mm)	0.134\" (3.40mm)	0.118\" (3.00mm)	0.134\" (3.40mm)	-
Contact material	Brass	Brass	Copper Alloy	Copper Alloy	Brass	Copper Alloy
Contact shape	Square	Square	Square	Square	Square	Square
Current rating	3A	3A	3A	3A	2A	2A
Fastening type	Latch Lock	Latch Lock	Locking Ramp	Detent Lock	Detent Lock	Detent Lock
Features	-	-	Board Guide	-	-	Solder Retention
Insulation height	0.165\" (4.20mm)	0.165\" (4.20mm)	0.256\" (6.50mm)	0.197\" (5.00mm)	0.189\" (4.80mm)	0.217\" (5.51mm)

Request a quote on any JST S12B Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the JST S12B Series variants differ?: JST S12B Series part numbers differ by contact length - mating, contact length - post, contact material and contact shape. Use the selection guide above to pick by contact length - mating.
How many JST S12B Series part numbers are listed?: 13 JST S12B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST S12B Series?: Request a quote (RFQ) for any JST S12B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.