How do the JST B4BP Series variants differ?

JST B4BP Series part numbers differ by contact finish - mating, contact finish - post, contact length - mating and contact length - post. Use the selection guide above to pick by contact finish - mating.

How many JST B4BP Series part numbers are listed?

10 JST B4BP Series part numbers are listed, each with specifications and a datasheet where available.

JST B4BP Series

10 variants · JST

About the JST B4BP Series

The JST B4BP Series series groups 10 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 length - mating, so you can match the exact contact finish - mating your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current JST B4BP Series variants and discontinued ones from a single page.

Select a variant by

Contact finish - mating: Tin · Tin-Lead
Contact finish - post: Tin · Tin-Lead
Contact length - mating: - · 0.130\" (3.30mm)
Contact length - post: - · 0.134\" (3.40mm)
Contact material: Brass · Copper Alloy
Features: - · Solder Retention
Insulation color: Black · Gray · Ivory · Natural · Red
Insulation height: 0.236\" (6.00mm) · 0.260\" (6.60mm)

Shared specifications

Applications: -
Connector type: Header
Contact finish thickness - mating: -
Contact finish thickness - post: -
Contact shape: Square
Current rating: 2A
Fastening type: Detent Lock
Gender: Male Pin
Ingress protection: -
Material flammability rating: UL94 V-0
Pitch: 0.079\" (2.00mm)
Positions: 4

Variant comparison

Parameter	B4B-PH-K(LF)(SN)	B4B-PH-K-S	B4B-PH-SM3-TB	B4B-PH-SM4-TB(LF)(SN)	B4B-PH-K-K	B4B-PH-K-K(LF)(SN)
Contact finish - mating	Tin	Tin-Lead	Tin-Lead	Tin	Tin	Tin
Contact finish - post	Tin	Tin-Lead	Tin-Lead	Tin	Tin	Tin
Contact length - mating	0.130\" (3.30mm)	0.130\" (3.30mm)	0.130\" (3.30mm)	0.130\" (3.30mm)	0.130\" (3.30mm)	0.130\" (3.30mm)
Contact length - post	0.134\" (3.40mm)	0.134\" (3.40mm)	-	-	0.134\" (3.40mm)	0.134\" (3.40mm)
Contact material	Brass	Brass	Copper Alloy	Copper Alloy	Brass	Brass
Features	-	-	Solder Retention	Solder Retention	-	-
Insulation color	Ivory	Natural	Natural	Natural	Black	Black
Insulation height	0.236\" (6.00mm)	0.236\" (6.00mm)	0.260\" (6.60mm)	0.260\" (6.60mm)	0.236\" (6.00mm)	0.236\" (6.00mm)

Request a quote on any JST B4BP 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 B4BP Series variants differ?: JST B4BP Series part numbers differ by contact finish - mating, contact finish - post, contact length - mating and contact length - post. Use the selection guide above to pick by contact finish - mating.
How many JST B4BP Series part numbers are listed?: 10 JST B4BP Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST B4BP Series?: Request a quote (RFQ) for any JST B4BP Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.