How do the JST BM20B Series variants differ?

JST BM20B 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 BM20B Series part numbers are listed?

7 JST BM20B Series part numbers are listed, each with specifications and a datasheet where available.

JST BM20B Series

7 variants · JST

About the JST BM20B Series

The JST BM20B Series series groups 7 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 BM20B 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: - · Rectangular · Square
Current rating: 1A · 2A
Fastening type: Locking Ramp · Push-Pull
Features: Board Guide, Pick and Place, Solder Retention · Pick and Place, Solder Retention · Solder Retention
Gender: 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: -
Insulation color: Natural
Material flammability rating: UL94 V-0
Mounting type: Surface Mount
Overall contact length: -
Positions: 20

Variant comparison

Parameter	BM20B-GHDS-G-TF(LF)(SN)	BM20B-SRDS-A-G-TF(LF)(SN)	BM20B-SRDS-G-TF	BM20B-SRDS-G-TFC	BM20B-SRDS-G-TFC(LF)(SN)	BM20B-ZPDSS-TF
Contact finish - mating	Gold	Gold	Gold	Gold	Gold	Tin
Contact finish - post	-	-	-	-	-	Tin
Contact material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Copper Alloy
Contact shape	-	Square	Square	Square	Square	Rectangular
Current rating	1A	1A	1A	1A	1A	2A
Fastening type	Locking Ramp	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Locking Ramp
Features	Solder Retention	Board Guide, Pick and Place, Solder Retention	Pick and Place, Solder Retention	Pick and Place, Solder Retention	Pick and Place, Solder Retention	Solder Retention
Gender	Outer Shroud Contact	Male Pin	Male Pin	Male Pin	Male Pin	Outer Shroud Contact

Request a quote on any JST BM20B 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 BM20B Series variants differ?: JST BM20B 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 BM20B Series part numbers are listed?: 7 JST BM20B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST BM20B Series?: Request a quote (RFQ) for any JST BM20B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.