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Contents

README

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SSP7603P33PR

Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

SSP7603P33PR from Shanghai Siproin Microelectronics, in a SOT-89-3. 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 GND power_in Ground pin, leftmost pin in the SOT89-3 top view.
2 VIN power_in Supply input, specified 3.5V to 15V (absolute maximum 18V), with a 1uF input capacitor recommended.
3 VOUT power_out Regulated 3.3V output (±2%) for the SSP7603P33, up to 500mA, with a 1uF tantalum or 6.8uF ceramic output capacitor recommended.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-89-3
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: SSP7603P33PR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: ssp7603p33pr-etched.step / ssp7603p33pr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ssp7603p33pr.step / ssp7603p33pr.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (9 pp, sha256 3b68c21dd6651bc3, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF