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Ray Publish 0.1.0 b8d5eaf 7d ago

BAS40-07

Nexperia · Schottky Barrier Diodes (SBD) · SOT-143

BAS40-07 from Nexperia, in a SOT-143. 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 K1 passive Cathode of diode 1; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C.
2 K2 passive Cathode of diode 2; the device reverse voltage VR is rated at 40 V maximum at Tj = 25 °C.
3 A2 passive Anode of diode 2; the device forward current IF is rated at 120 mA maximum.
4 A1 passive Anode of diode 1; the device forward current IF is rated at 120 mA maximum.

Key specifications

Parameter Value
Manufacturer Nexperia
Package SOT-143
Category Diodes
Pins 4

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 voltage VR 40 V Tj = 25 °C 2
forward current IF 120 mA 2
repetitive peak forward current IFRM 120 mA tp ≤ 1 s; δ ≤ 0.5 2
non-repetitive peak forward current IFSM 200 mA tp ≤ 10 ms; Tj(init) = 25 °C 2
junction temperature Tj 150 °C 2
ambient temperature Tamb -65 150 °C 2
storage temperature Tstg -65 150 °C 2
thermal resistance from junction to ambient Rth(j-a) 500 K/W in free air; device mounted on FR4 PCB, single-sided copper, standard footprint 3
forward voltage VF 380 mV IF = 1 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C 3
forward voltage VF 500 mV IF = 10 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C 3
forward voltage VF 1 V IF = 40 mA; tp ≤ 300 µs; δ ≤ 0.02; pulsed; Tamb = 25 °C 3
reverse current IR 1 µA VR = 30 V; Tamb = 25 °C 3
reverse current IR 10 µA VR = 40 V; Tamb = 25 °C 3
diode capacitance Cd 5 pF VR = 0 V; f = 1 MHz; Tamb = 25 °C 3

CAD (KiCad official)

  • Symbol: BAS40-07
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143 (KiCad packages3D, STEP)
  • 3D model files: bas40-07-etched.step / bas40-07-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bas40-07.step / bas40-07.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (8 pp, sha256 968546b7b9d7972d, retrieved 2026-10-28, tier: manufacturer)
  • 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