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JST S20B Series

4 variants · JST

About the JST S20B Series

The JST S20B 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 S20B 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) · 0.134\" (3.40mm)
Contact shape
Circular · Square
Fastening type
Detent Lock · Locking Ramp
Features
- · Board Guide
Insulation height
0.197\" (5.00mm) · 0.413\" (10.49mm) · 0.476\" (12.10mm)
Insulation material
Polyamide (PA), Nylon, Glass Filled · Polyamide (PA66), Nylon 6/6, Glass Filled · Polybutylene Terephthalate (PBT), Glass Filled
Operating temperature
-25°C ~ 85°C · -25°C~85°C

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
-
Insulation color
Natural
Mated stacking heights
-

Variant comparison

ParameterS20B-PADSS-1S20B-PHDSSS20B-PHDSS(LF)(SN)S20B-XADSS-N
Contact length - mating-0.114\" (2.90mm)0.114\" (2.90mm)-
Contact length - post0.118\" (3.00mm)0.118\" (3.00mm)0.118\" (3.00mm)0.134\" (3.40mm)
Contact shapeSquareSquareSquareCircular
Fastening typeLocking RampDetent LockDetent LockLocking Ramp
FeaturesBoard Guide---
Insulation height0.413\" (10.49mm)0.197\" (5.00mm)0.197\" (5.00mm)0.476\" (12.10mm)
Insulation materialPolybutylene Terephthalate (PBT), Glass FilledPolyamide (PA), Nylon, Glass FilledPolyamide (PA), Nylon, Glass FilledPolyamide (PA66), Nylon 6/6, Glass Filled
Operating temperature-25°C ~ 85°C-25°C ~ 85°C-25°C~85°C-25°C ~ 85°C

Request a quote on any JST S20B 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 S20B Series variants differ?
JST S20B 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 S20B Series part numbers are listed?
4 JST S20B Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for JST S20B Series?
Request a quote (RFQ) for any JST S20B Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants