
S20B-PADSS-1(LF)(SN)
JST
3 variants · JST
The JST S20B 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, contact shape and fastening type, so you can match the exact contact length - post your application requires using the selection guide below. All listed JST S20B Series part numbers are active and orderable.
| Parameter | S20B-PADSS-1(LF)(SN) | S20B-PUDSS-1(LF)(SN) | S20B-XADSS-N(LF)(SN) |
|---|---|---|---|
| Contact length - post | 0.118\" (3.00mm) | 0.118\" (3.00mm) | 0.134\" (3.40mm) |
| Contact shape | Square | Square | Circular |
| Fastening type | Locking Ramp | Latch Holder | Locking Ramp |
| Features | Board Guide | Board Guide | - |
| Insulation height | 0.413\" (10.49mm) | 0.335\" (8.51mm) | 0.476\" (12.10mm) |
| Insulation material | Polybutylene Terephthalate (PBT), Glass Filled | Polyamide (PA66), Nylon 6/6, Glass Filled | Polyamide (PA66), Nylon 6/6, Glass Filled |
| Package | Tray | Tray | Bulk |
| Pitch | 0.079\" (2.00mm) | 0.079\" (2.00mm) | 0.098\" (2.50mm) |
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.

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