component

TMP303BDRLR

Public Made by Adom

by adom

Texas Instruments Thermostat Switches, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TMP303BDRLR

Texas Instruments · Thermostat Switches · SOT-563

TMP303BDRLR 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 thermal hysteresis together with HYSTSET1; tie to GND or VS per Table 1 (GND/GND 1°C, GND/VS 2°C, VS/GND 5°C, VS/VS 10°C).
2 GND power_in Ground reference for the device supply, which must be specified between VS and GND in the range 1.4 V to 3.6 V.
3 OUT output Active-high push-pull output that goes high when the trip point is crossed and does not require a pullup resistor to VS; the absolute maximum output current is -55 mA to 8 mA.
4 SOH input Set output high pin with an internal 100 kΩ pulldown to ground; when pulled high it forces OUT high regardless of temperature, and when grounded or floating it has no effect.
5 VS power_in Power supply input, specified from 1.4 V to 3.6 V (absolute maximum VS − GND is 4 V).
6 HYSTSET1 input Digital input that sets the thermal hysteresis together with HYSTSET0; tie to GND or VS per Table 1.

Key specifications

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

CAD (KiCad official)

  • Symbol: TMP303BDRLR
  • Footprint: Package_TO_SOT_SMD:SOT-563
  • 3D model: SOT-563 (KiCad packages3D, STEP)
  • 3D model files: tmp303bdrlr-etched.step / tmp303bdrlr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmp303bdrlr.step / tmp303bdrlr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 49900406e93c9481, retrieved 2026-10-10, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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