component

SSP7603P50M5R

Public Unreviewed

by Ray

Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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PCB Footprint

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Contents

README

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SSP7603P50M5R

Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

SSP7603P50M5R from Shanghai Siproin Microelectronics, in a SOT-23-5. 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 VIN power_in Unregulated supply input. Operating range 3.5V to 15V (abs max 18V). Decouple with a 1uF capacitor to GND close to the pin.
2 GND power_in Device ground reference (Vss). Connect to the system ground plane.
3 CE input Chip Enable input. Drive high to enable the regulator, low to disable and place the device in low-quiescent shutdown. Do not leave floating.
4 NC unconnected No internal connection. Leave floating or tie to GND.
5 VOUT power_out Regulated 5.0V output (SSP7603P50 variant), ±2% accuracy, up to 500mA. Requires an output capacitor of 1uF tantalum or 6.8uF ceramic for stability.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • SSP7603P50M5R
  • SSP7603P50M5RM5G
  • SSP7603P50M5RMR
  • SSP7603P50M5RMG
  • SSP7603P50M5RPR
  • SSP7603P50M5RPG

CAD (KiCad official)

  • Symbol: SSP7603P50M5R
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
ssp7603p50m5r.step 85 KB You want the bare part, or you mark your own boards.
ssp7603p50m5r-etched.step 2.8 MB You want the part with SSP7603P50M5R already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 663 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (9 pp, sha256 3b68c21dd6651bc3, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF