How do the JST BM04B Series variants differ?

JST BM04B Series part numbers differ by contact finish - mating, contact finish - post, contact material and contact shape. Use the selection guide above to pick by contact finish - mating.

How many JST BM04B Series part numbers are listed?

14 JST BM04B Series part numbers are listed, each with specifications and a datasheet where available.

JST BM04B Series

14 variants · JST

About the JST BM04B Series

The JST BM04B Series series groups 14 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 thickness - mating of -. Variants differ by contact finish - mating, contact finish - post and contact material, so you can match the exact contact finish - mating your application requires using the selection guide below. All listed JST BM04B Series part numbers are active and orderable.

Select a variant by

Contact finish - mating: Gold · Tin
Contact finish - post: - · Tin
Contact material: Copper Alloy · Phosphor Bronze
Contact shape: - · Circular · Rectangular · Square
Current rating: 1A · 1.5A · 2A · 2.5A · 3A
Fastening type: Detent Lock · Latch Holder · Locking Ramp · Push-Pull
Features: Board Guide, Pick and Place, Solder Retention · Pick and Place Cap, Solder Retention · Pick and Place, Solder Retention · Solder Retention
Gender: Male Blade · Male Pin · Outer Shroud Contact

Shared specifications

Applications: -
Connector type: Header
Contact finish thickness - mating: -
Contact finish thickness - post: -
Contact length - mating: -
Contact length - post: -
Ingress protection: -
Material flammability rating: UL94 V-0
Overall contact length: -
Positions: 4
Row spacing - mating: -
Rows: 1

Variant comparison

Parameter	BM04B-ACHFKS-GACN-ETF	BM04B-ACHFKS-GACN-ETF(LF)(SN)	BM04B-ACHSS-A-GAN-TF	BM04B-ACHSS-A-GAN-TF(LF)(SN)	BM04B-GVHS-TB	BM04B-NSHSS-TBT
Contact finish - mating	Gold	Gold	Gold	Gold	Tin	Tin
Contact finish - post	-	-	-	-	Tin	Tin
Contact material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Copper Alloy
Contact shape	Rectangular	Rectangular	Rectangular	Rectangular	Rectangular	-
Current rating	2.5A	2.5A	1.5A	1.5A	1A	1A
Fastening type	Detent Lock	Detent Lock	Detent Lock	Detent Lock	Latch Holder	Latch Holder
Features	Solder Retention	Solder Retention	Solder Retention	Solder Retention	Solder Retention	Pick and Place Cap, Solder Retention
Gender	Male Blade	Male Blade	Male Blade	Male Blade	Outer Shroud Contact	Male Pin

Request a quote on any JST BM04B 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 BM04B Series variants differ?: JST BM04B Series part numbers differ by contact finish - mating, contact finish - post, contact material and contact shape. Use the selection guide above to pick by contact finish - mating.
How many JST BM04B Series part numbers are listed?: 14 JST BM04B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST BM04B Series?: Request a quote (RFQ) for any JST BM04B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.