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BC817-40Q-7-F

Public Made by Adom

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Diodes Incorporated Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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docs bc817-40q-7-f: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers bc817-40q-7-f: symbol viewer · Ray
bc817-40q-7-f-etched.fit.json bc817-40q-7-f: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
bc817-40q-7-f-etched.glb bc817-40q-7-f: one-pass backfill (symbol Device:Q_NPN, re-etched, hero rebuilt in-pass (inputs changed)) · Ray
bc817-40q-7-f-etched.step bc817-40q-7-f: one-pass backfill (symbol Device:Q_NPN, re-etched, hero rebuilt in-pass (inputs changed)) · Ray
bc817-40q-7-f-hero.glb bc817-40q-7-f: hero from the plain model · Ray
bc817-40q-7-f-hero.overlay.json bc817-40q-7-f: hero from the plain model · Ray
bc817-40q-7-f.glb Publish 0.1.0 · Ray
bc817-40q-7-f.kicad_mod Publish 0.1.0 · Ray
bc817-40q-7-f.kicad_sym bc817-40q-7-f: one-pass backfill (symbol Device:Q_NPN, re-etched, hero rebuilt in-pass (inputs changed)) · Ray
bc817-40q-7-f.lbr bc817-40q-7-f: one-pass backfill (symbol Device:Q_NPN, re-etched, hero rebuilt in-pass (inputs changed)) · Ray
bc817-40q-7-f.step Publish 0.1.0 · Ray
package.json Publish 0.1.1 · Ray
page.json Publish 0.1.1 · Ray
README.md Initial commit: component/bc817-40q-7-f · Ray

BC817-40Q-7-F

Diodes Incorporated · Bipolar (BJT) · SOT-23

BC817-40Q-7-F from Diodes Incorporated, in a SOT-23. 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 Base input Base terminal; control input for NPN transistor.
2 Emitter passive Emitter terminal; provides return path for collector current.
3 Collector output Collector terminal; carries controlled collector current up to 0.5A continuous.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: BC817-40Q-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bc817-40q-7-f-etched.step / bc817-40q-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc817-40q-7-f.step / bc817-40q-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 800f073a16edf93b, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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