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verification.json Verified: Published by the parts factory: tier mfr, 3 pins · Ray 8d ago

RN1425TE85LF

TOSHIBA · Digital Transistors · TO-236-3(SOT-23-3)

RN1425TE85LF from TOSHIBA, in a TO-236-3(SOT-23-3). 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 BASE input Base input of the NPN transistor, connected through built-in resistor R1 (0.47 kΩ typ. for RN1425) with R2 = 10 kΩ to the emitter; VEBO max is 5 V for RN1425.
2 EMITTER passive Emitter of the NPN transistor, connected to the return side of R2 and normally tied to ground.
3 COLLECTOR passive Collector output of the NPN transistor, rated VCEO 50 V and IC max 800 mA.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TO-236-3(SOT-23-3)
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
Emitter cut-off current IEBO 0.365 0.682 mA VEB = 5 V, IC = 0 mA 2
Input resistor R1 R1 0.329 0.47 0.61 kΩ 2
Resistor ratio R1/R2 R1/R2 0.0423 0.047 0.0517 2
Collector cut-off current (base open, emitter open) ICBO 100 nA VCB = 50 V, IE = 0 mA 2
Collector cut-off current (emitter open) ICEO 500 nA VCE = 50 V, IB = 0 mA 2
DC current gain hFE 90 VCE = 1 V, IC = 100 mA 2
Collector-emitter saturation voltage VCE (sat) 0.25 V IC = 50 mA, IB = 1 mA 2
Input voltage (ON) VI (ON) 0.6 2 V VCE = 0.2 V, IC = 100 mA 2
Input voltage (OFF) VI (OFF) 0.4 0.8 V VCE = 5 V, IC = 0.1 mA 2
Collector-base voltage VCBO 50 V Ta = 25°C 1
Collector-emitter voltage VCEO 50 V Ta = 25°C 1
Emitter-base voltage (RN1425, RN1426) VEBO 5 V Ta = 25°C 1
Collector current IC 800 mA Ta = 25°C 1
Collector power dissipation PC 200 mW Ta = 25°C 1
Junction temperature Tj 150 °C Ta = 25°C 1
Storage temperature range Tstg -55 150 °C Ta = 25°C 1

CAD (KiCad official)

  • Symbol: RN1425TE85LF
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
  • 3D model files: rn1425te85lf-etched.step / rn1425te85lf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rn1425te85lf.step / rn1425te85lf.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (8 pp, sha256 88d5f8d4cab179da, retrieved 2026-10-30, tier: manufacturer)
  • 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