How do the JST B28B Series variants differ?

JST B28B Series part numbers differ by contact length - post, current rating, fastening type and features. Use the selection guide above to pick by contact length - post.

How many JST B28B Series part numbers are listed?

3 JST B28B Series part numbers are listed, each with specifications and a datasheet where available.

JST B28B Series

3 variants · JST

About the JST B28B Series

The JST B28B Series series groups 3 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 - post, current rating and fastening type, so you can match the exact contact length - post your application requires using the selection guide below. All listed JST B28B Series part numbers are active and orderable.

Select a variant by

Contact length - post: 0.126\" (3.20mm) · 0.134\" (3.40mm)
Current rating: 1A · 3A
Fastening type: Latch Holder · Locking Ramp
Features: - · Board Guide
Insulation color: Gray · Ivory
Insulation height: 0.295\" (7.50mm) · 0.390\" (9.91mm)
Insulation material: Polyamide (PA66), Nylon 6/6 · Polyamide (PA66), Nylon 6/6, Glass Filled
Mated stacking heights: - · 12.9mm

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 material: Copper Alloy
Contact shape: Square
Gender: Male Pin
Ingress protection: -
Material flammability rating: UL94 V-0

Variant comparison

Parameter	B28B-KRWHK-C(LF)(SN)	B28B-PNDZS-1	B28B-PNDZS-1(T)(LF)(SN)
Contact length - post	0.134\" (3.40mm)	0.126\" (3.20mm)	0.126\" (3.20mm)
Current rating	1A	3A	3A
Fastening type	Latch Holder	Locking Ramp	Locking Ramp
Features	-	Board Guide	Board Guide
Insulation color	Gray	Ivory	Ivory
Insulation height	0.295\" (7.50mm)	0.390\" (9.91mm)	0.390\" (9.91mm)
Insulation material	Polyamide (PA66), Nylon 6/6	Polyamide (PA66), Nylon 6/6, Glass Filled	Polyamide (PA66), Nylon 6/6, Glass Filled
Mated stacking heights	-	12.9mm	12.9mm

Request a quote on any JST B28B 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 B28B Series variants differ?: JST B28B Series part numbers differ by contact length - post, current rating, fastening type and features. Use the selection guide above to pick by contact length - post.
How many JST B28B Series part numbers are listed?: 3 JST B28B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST B28B Series?: Request a quote (RFQ) for any JST B28B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.