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BAV99WTQ

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Yangzhou Yangjie Elec Tech Switching Diodes, SOT-323(SC-70). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BAV99WTQ

Yangzhou Yangjie Elec Tech · Switching Diodes · SOT-323(SC-70)

BAV99WTQ from Yangzhou Yangjie Elec Tech, in a SOT-323(SC-70). 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 A1 passive Anode of the first diode (D1), whose cathode connects internally to pin 3; the datasheet gives VBR 100V and IFAV 150mA with a single diode loaded.
2 K2 passive Cathode of the second diode (D2), whose anode connects internally to pin 3; the datasheet gives VBR 100V and IFAV 150mA with a single diode loaded.
3 K1/A2 passive Common junction between the cathode of D1 and the anode of D2 in the series pair; the datasheet gives VBR 100V and IFAV 150mA with a single diode loaded.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-323(SC-70)
Category Diodes
Pins 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: BAV99WTQ
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323(SC-70) (KiCad packages3D, STEP)
  • 3D model files: bav99wtq-etched.step / bav99wtq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bav99wtq.step / bav99wtq.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256 965f92518d1c891f, retrieved 2026-10-26, 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