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BCR 135 E6327

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Infineon Technologies Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BCR 135 E6327

Infineon Technologies · Digital Transistors · SOT-23

BCR 135 E6327 from Infineon Technologies, in a SOT-23. 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 B input Base is the input of the built-in bias network (R1 = 10 kΩ, R2 = 47 kΩ); the datasheet gives Vi(on) of 0.5 to 1.4 V at IC = 2 mA, VCE = 0.3 V and Vi(off) of 0.5 to 1 V at IC = 100 µA, VCE = 5 V.
2 E passive Emitter is the common terminal of the transistor; the datasheet limits the input reverse voltage Vi(rev) to 6 V and the input forward voltage Vi(fwd) to 40 V.
3 C passive Collector is the output terminal, rated for VCEO of 50 V and IC of 100 mA maximum.

Key specifications

Parameter Value
Manufacturer Infineon Technologies
Package SOT-23
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
Collector-emitter voltage VCEO 50 V 2
Collector-base voltage VCBO 50 V 2
Input forward voltage Vi(fwd) 40 V 2
Input reverse voltage Vi(rev) 6 V 2
Collector current IC 100 mA 2
Total power dissipation (BCR135) Ptot 200 mW TS ≤ 102 °C 2
Junction temperature Tj 150 °C 2
Storage temperature Tstg -65 150 °C 2
Junction - soldering point (BCR135) RthJS 240 K/W 2
Collector-emitter breakdown voltage V(BR)CEO 50 V IC = 100 µA, IB = 0 3
Collector-base breakdown voltage V(BR)CBO 50 V IC = 10 µA, IE = 0 3
Collector-base cutoff current ICBO 100 nA VCB = 40 V, IE = 0 3
Emitter-base cutoff current IEBO 167 µA VEB = 6 V, IC = 0 3
DC current gain hFE 70 - IC = 5 mA, VCE = 5 V 3
Collector-emitter saturation voltage VCEsat 0.3 V IC = 10 mA, IB = 0.5 mA 3
Input off voltage Vi(off) 0.5 1 V IC = 100 µA, VCE = 5 V 3
Input on voltage Vi(on) 0.5 1.4 V IC = 2 mA, VCE = 0.3 V 3
Input resistor R1 7 10 13 kΩ 3
Resistor ratio R1/R2 0.19 0.21 0.24 - 3

CAD (KiCad official)

  • Symbol: BCR 135 E6327
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bcr-135-e6327-etched.step / bcr-135-e6327-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcr-135-e6327.step / bcr-135-e6327.glb are the bare package body.

Provenance

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

  • Datasheet: Infineon Technologies datasheet (11 pp, sha256 186c725ae3178d05, retrieved 2026-10-18, tier: lcsc)
  • 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