How do the JST SM12B Series variants differ?

JST SM12B Series part numbers differ by contact material, contact shape, current rating and fastening type. Use the selection guide above to pick by contact material.

How many JST SM12B Series part numbers are listed?

11 JST SM12B Series part numbers are listed, each with specifications and a datasheet where available.

JST SM12B Series

11 variants · JST

About the JST SM12B Series

The JST SM12B Series series groups 11 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 material, contact shape and current rating, so you can match the exact contact material your application requires using the selection guide below. All listed JST SM12B Series part numbers are active and orderable.

Select a variant by

Contact material: Copper Alloy · Phosphor Bronze
Contact shape: - · Rectangular · Square
Current rating: 1A · 2A · 3A
Fastening type: Latch Holder · Locking Ramp · Push-Pull
Features: - · Pick and Place, Solder Retention · Solder Retention
Gender: Male Pin · Outer Shroud Contact
Insulation height: 0.069\" (1.75mm) · 0.114\" (2.90mm) · 0.167\" (4.25mm) · 0.173\" (4.40mm) · 0.224\" (5.69mm) · 0.228\" (5.80mm) · 0.309\" (7.85mm)
Insulation material: Polyamide (PA), Nylon · Polyamide (PA9T), Nylon 9T

Shared specifications

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

Variant comparison

Parameter	SM12B-GHS-TB	SM12B-GHS-TB(LF)(SN)	SM12B-NSHSS-TB (LF)(SN)	SM12B-PASS-TBT	SM12B-PASS-TBT(LF)(SN)	SM12B-SHLS-TF
Contact material	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze
Contact shape	Rectangular	Rectangular	-	Square	Square	Rectangular
Current rating	1A	1A	1A	3A	3A	1A
Fastening type	Locking Ramp	Locking Ramp	Latch Holder	Locking Ramp	Locking Ramp	Push-Pull
Features	Solder Retention	Solder Retention	Solder Retention	Pick and Place, Solder Retention	Pick and Place, Solder Retention	Solder Retention
Gender	Outer Shroud Contact	Outer Shroud Contact	Male Pin	Male Pin	Male Pin	Outer Shroud Contact
Insulation height	0.167\" (4.25mm)	0.167\" (4.25mm)	0.173\" (4.40mm)	0.224\" (5.69mm)	0.224\" (5.69mm)	0.069\" (1.75mm)
Insulation material	Polyamide (PA9T), Nylon 9T	Polyamide (PA9T), Nylon 9T	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA), Nylon

Request a quote on any JST SM12B 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 SM12B Series variants differ?: JST SM12B Series part numbers differ by contact material, contact shape, current rating and fastening type. Use the selection guide above to pick by contact material.
How many JST SM12B Series part numbers are listed?: 11 JST SM12B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST SM12B Series?: Request a quote (RFQ) for any JST SM12B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.