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Ray Publish 0.1.0 4429cb8 9d ago

BAV99WQ-7-F

Diodes Incorporated · Switching Diodes · SOT-323

BAV99WQ-7-F from Diodes Incorporated, 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 A1 passive Anode of the first switching diode, the bottom-left pin in the top-view internal schematic; the diodes are rated VRRM 75 V and IFM 300 mA.
2 K2 passive Cathode of the second switching diode, the bottom-right pin in the top-view internal schematic; the diodes are rated VRRM 75 V and IFM 300 mA.
3 K1/A2 passive Common node joining the cathode of the first diode and the anode of the second diode (series pair), the single top pin in the top-view internal schematic.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-323
Category Diodes
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
Reverse Breakdown Voltage V(BR)R 75 V IR = 2.5µA 2
Forward Voltage VF 0.55 0.7 V IF = 1.0mA 2
Forward Voltage VF 0.855 V IF = 10mA 2
Forward Voltage VF 1 V IF = 50mA 2
Forward Voltage VF 1.25 V IF = 150mA 2
Reverse Current IR 2.5 µA VR = 75V 2
Reverse Current IR 50 µA VR = 75V, TJ = 150°C 2
Reverse Current IR 30 µA VR = 25V, TJ = 150°C 2
Reverse Current IR 25 nA VR = 20V 2
Total Capacitance CT 2 pF VR = 0, f = 1.0MHz 2
Reverse Recovery Time trr 4 ns IF = IR = 10mA, Irr = 0.1 × IR, RL = 100Ω 2
Non-Repetitive Peak Reverse Voltage VRM 100 V 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM / VRWM / VR 75 V 2
RMS Reverse Voltage VR(RMS) 53 V 2
Forward Continuous Current IFM 300 mA Note 5 (FR-4 PCB with recommended pad layout) 2
Non-Repetitive Peak Forward Surge Current IFSM 2 A t = 1.0µs, Note 5 2
Non-Repetitive Peak Forward Surge Current IFSM 1 A t = 1.0s, Note 5 2
Power Dissipation PD 200 mW Note 5 (FR-4 PCB with recommended pad layout) 2
Thermal Resistance Junction to Ambient Air RϴJA 625 °C/W Note 5 (FR-4 PCB with recommended pad layout) 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2

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: Matte Tin Finish annealed over Alloy 42 Leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: BAV99WQ-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bav99wq-7-f-etched.step / bav99wq-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bav99wq-7-f.step / bav99wq-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 aba5e2fb4698f8cb, retrieved 2026-10-19, 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