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RN2303

Public Made by Adom

by adom

TOSHIBA Digital Transistors, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RN2303

TOSHIBA · Digital Transistors · SOT-323

RN2303 from TOSHIBA, in a SOT-323. 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 Base input Base input through the built-in 22 kΩ bias resistor R1 (R2 = 22 kΩ); VEBO rating is -10 V.
2 Emitter passive Emitter of the PNP bias-resistor transistor, normally tied to the positive supply; collector current is limited to -100 mA.
3 Collector passive Collector output of the PNP transistor; VCEO and VCBO are rated -50 V and IC is -100 mA maximum.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package SOT-323
Category Transistors/Thyristors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input resistance (R1, 22 kΩ bias resistor) R1 15.4 22 28.6 kΩ 4
Resistor ratio R1/R2 0.9 1 1.1 4
DC current gain hFE 70 VCE = -5 V, IC = -10 mA 4
Collector-emitter saturation voltage VCE(sat) -0.1 -0.3 V IC = -5 mA, IB = -0.25 mA 4
Collector cut-off current ICBO -100 nA VCB = -50 V, IE = 0 mA 4
Collector cut-off current ICEO -500 nA VCE = -50 V, IB = 0 mA 4
Collector output capacitance Cob 3 6 pF VCB = -10 V, IE = 0 mA, f = 1 MHz 4
Collector-base voltage VCBO -50 V 3
Collector-emitter voltage VCEO -50 V 3
Emitter-base voltage VEBO -10 V 3
Collector current IC -100 mA 3
Collector power dissipation PC 100 mW 3
Junction temperature Tj 150 °C 3
Storage temperature Tstg -55 150 °C 3

CAD (KiCad official)

  • Symbol: RN2303
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: rn2303-etched.step / rn2303-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rn2303.step / rn2303.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (11 pp, sha256 8098a700cca6bace, retrieved 2026-10-17, 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