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BAS40-05Q-7-F

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

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BAS40-05Q-7-F

Diodes Incorporated · Schottky Diodes · SOT-23

BAS40-05Q-7-F from Diodes Incorporated, 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 A1 passive Anode of the first Schottky diode (bottom-left terminal in the BAS40-05 top-view diagram); part is rated 40V VRRM and 200mA forward continuous current.
2 A2 passive Anode of the second Schottky diode (bottom-right terminal in the BAS40-05 top-view diagram); part is rated 40V VRRM and 200mA forward continuous current.
3 K passive Common cathode of both Schottky diodes (top terminal in the BAS40-05 top-view diagram); VF max 1.0V at 40mA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
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 40 V IR = 10µA 2
Forward Voltage VF 380 mV tp < 300µs, IF = 1.0mA 2
Forward Voltage VF 1000 mV tp < 300µs, IF = 40mA 2
Reverse Leakage Current IR 20 200 nA tp < 300µs, VR = 30V 2
Total Capacitance CT 4 5 pF VR = 0V, f = 1.0MHz 2
Reverse Recovery Time trr 5 ns IF = IR = 10mA to IR = 1.0mA, RL = 100Ω 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM, VRWM, VR 40 V Maximum Ratings @TA = +25°C 2
Forward Continuous Current IFM 200 mA Note 6 2
Forward Surge Current IFSM 600 mA t < 1.0s 2
Power Dissipation PD 350 mW Note 6: part mounted on FR-4 board with recommended pad layout 2
Thermal Resistance, Junction to Ambient Air RθJA 357 °C/W Note 6: part mounted on FR-4 board with recommended pad layout 2
Operating Temperature Range TJ -55 125 °C 2
Storage Temperature Range TSTG -65 150 °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: Lead-Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: BAS40-05Q-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bas40-05q-7-f-etched.step / bas40-05q-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bas40-05q-7-f.step / bas40-05q-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 025b31624f3f335a, retrieved 2026-10-18, 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