BM04B-SRSS-TB
Public Made by Adomby adom
JST Sales America Wire To Board Connector, SMD,P=1mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdownBM04B-SRSS-TB
JST Sales America · Wire To Board Connector · JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical
BM04B-SRSS-TB from JST Sales America, in a JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Circuit No. 1 contact of the 1.0 mm pitch SMT header, marked 'No. 1 circuit' in the drawing, rated 0.7 A AC/DC and 50 V AC/DC. |
| 2 | 2 | passive | Circuit 2 contact at 1.0 mm pitch from pin 1, rated 0.7 A AC/DC and 50 V AC/DC. |
| 3 | 3 | passive | Circuit 3 contact at 1.0 mm pitch from pin 2, rated 0.7 A AC/DC and 50 V AC/DC. |
| 4 | 4 | passive | Circuit 4 contact at 1.0 mm pitch from pin 3, rated 0.7 A AC/DC and 50 V AC/DC. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | JST Sales America |
| Package | JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical |
| Category | Connectors |
| Pins | 4 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Contact resistance (initial value) | 20 | mΩ | Initial value | 1 | |||
| Contact resistance (after environmental tests) | 40 | mΩ | After environmental tests | 1 | |||
| Insulation resistance | 100 | MΩ | 1 | ||||
| Current rating | 0.7 | A | AC/DC | 1 | |||
| Voltage rating | 50 | V | AC/DC | 1 | |||
| Operating temperature range | -25 | 85 | °C | Including temperature rise while applying electrical current | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PBT | Base housing: PBT (Glass-filled), UL94V-0, natural (white) | 3 | |
| contacts | Phosphor bronze | tin | Contact: Phosphor bronze, tin-plated | 2 |
CAD (KiCad official)
- Symbol:
BM04B-SRSS-TB - Footprint:
Connector_JST:JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical - 3D model: JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_Vertical (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JST Sales America datasheet (4 pp, sha256
25c2aa750d4a0918, retrieved 2026-11-10, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).