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Contents

README

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TMP303CDRLR

Texas Instruments · Thermostat Switches · SOT-563

TMP303CDRLR from Texas Instruments, in a SOT-563. 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 HYSTSET0 input Digital input that sets the amount of thermal hysteresis together with HYSTSET1 and must be tied high or low.
2 GND power_in Ground reference pin for the device.
3 OUT output Active high, push-pull output that does not require a pullup resistor to VS.
4 SOH input Set output high pin that forces OUT high when pulled high, and has no effect when grounded or left floating.
5 VS power_in Power supply input, specified from 1.4 V to 3.6 V with a 0.1-µF bypass capacitor recommended close to the pin.
6 HYSTSET1 input Digital input that sets the amount of thermal hysteresis together with HYSTSET0 and must be tied high or low.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-563
Category Sensors
Pins 6

CAD (KiCad official)

  • Symbol: TMP303CDRLR
  • Footprint: Package_TO_SOT_SMD:SOT-563
  • 3D model: SOT-563 (KiCad packages3D, STEP)
  • 3D model files: tmp303cdrlr-etched.step / tmp303cdrlr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmp303cdrlr.step / tmp303cdrlr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 5564944a8007926d, retrieved 2026-11-06, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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).

Datasheet PDF