How do the JST B18B Series variants differ?

JST B18B Series part numbers differ by contact length - mating, contact length - post, contact shape and fastening type. Use the selection guide above to pick by contact length - mating.

How many JST B18B Series part numbers are listed?

4 JST B18B Series part numbers are listed, each with specifications and a datasheet where available.

JST B18B Series

4 variants · JST

About the JST B18B Series

The JST B18B Series series groups 4 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 - mating, contact length - post and contact shape, so you can match the exact contact length - mating your application requires using the selection guide below. All listed JST B18B Series part numbers are active and orderable.

Select a variant by

Contact length - mating: - · 0.114\" (2.90mm)
Contact length - post: 0.118\" (3.00mm) · 0.122\" (3.10mm) · 0.126\" (3.20mm) · 0.138\" (3.50mm)
Contact shape: Circular · Square
Fastening type: Detent Lock · Latch Holder · Locking Ramp
Features: - · Board Guide
Insulation color: Ivory · Natural
Insulation height: 0.256\" (6.50mm) · 0.378\" (9.60mm) · 0.390\" (9.91mm) · 0.398\" (10.11mm)
Insulation material: Polyamide (PA), Nylon, Glass Filled · Polyamide (PA66), Nylon 6/6, Glass Filled

Shared specifications

Applications: -
Connector type: Header
Contact finish - mating: Tin
Contact finish - post: Tin
Contact finish thickness - mating: -
Contact finish thickness - post: -
Contact material: Copper Alloy
Current rating: 3A
Gender: Male Pin
Ingress protection: -
Material flammability rating: UL94 V-0
Mounting type: Through Hole

Variant comparison

Parameter	B18B-PHDSS	B18B-PNDZS-1	B18B-PUDSS-1(LF)(SN)	B18B-XADSS-N(LF)(SN)
Contact length - mating	0.114\" (2.90mm)	-	-	-
Contact length - post	0.118\" (3.00mm)	0.126\" (3.20mm)	0.122\" (3.10mm)	0.138\" (3.50mm)
Contact shape	Square	Square	Square	Circular
Fastening type	Detent Lock	Locking Ramp	Latch Holder	Locking Ramp
Features	-	Board Guide	Board Guide	-
Insulation color	Natural	Ivory	Natural	Natural
Insulation height	0.256\" (6.50mm)	0.390\" (9.91mm)	0.378\" (9.60mm)	0.398\" (10.11mm)
Insulation material	Polyamide (PA), Nylon, Glass Filled	Polyamide (PA66), Nylon 6/6, Glass Filled	Polyamide (PA66), Nylon 6/6, Glass Filled	Polyamide (PA66), Nylon 6/6, Glass Filled

Request a quote on any JST B18B 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 B18B Series variants differ?: JST B18B Series part numbers differ by contact length - mating, contact length - post, contact shape and fastening type. Use the selection guide above to pick by contact length - mating.
How many JST B18B Series part numbers are listed?: 4 JST B18B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST B18B Series?: Request a quote (RFQ) for any JST B18B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.