component
CH443SR
Public Made by Adomby adom
COSEMITECH Hall Switches, SOT-23. 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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PCB Footprint
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Datasheet
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README
markdownCH443SR
COSEMITECH · Hall Switches · SOT-23
CH443SR from COSEMITECH, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Supply voltage pin rated 2.5V to 22V with integrated regulator and reverse battery protection to -22V. |
| 2 | OUT | tri_state | Open-drain Hall sensor output pin rated to sink 30 mA with short-circuit protection limiting current to 30-90 mA. |
| 3 | GND | power_in | Ground return pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | COSEMITECH |
| Package | SOT-23 |
| Category | Magnetic Sensors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
CH443SR - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
ch443sr-etched.step/ch443sr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ch443sr.step/ch443sr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: COSEMITECH datasheet (15 pp, sha256
bb180a03995d8124, retrieved 2026-09-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).