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BAT41KFILM

Public Made by Adom

by adom

STMicroelectronics Schottky Barrier Diodes (SBD), SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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BAT41KFILM

STMicroelectronics · Schottky Barrier Diodes (SBD) · SOD-523

BAT41KFILM from STMicroelectronics, in a SOD-523. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOD-523
Category Diodes
Pins 2

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 leakage current IR 0.1 µA Tj = 25 °C, VR = 50 V 2
Reverse leakage current IR 20 µA Tj = 100 °C, VR = 50 V 2
Forward voltage drop VF 400 450 mV Tj = 25 °C, IF = 1 mA 2
Forward voltage drop VF 1000 mV Tj = 25 °C, IF = 200 mA 2
Diode capacitance C 3 10 pF VR = 1 V, F = 1 MHz 2
Repetitive peak reverse voltage VRRM 100 V Tj = 25 °C 2
Continuous forward current IF 200 mA Tj = 25 °C 2
Surge non repetitive forward current IFSM 1 A tp = 10 ms Sinusoidal 2
Storage temperature range Tstg -65 150 °C 2
Maximum operating junction temperature Tj 150 °C 2
Junction to ambient thermal resistance Rth(j-a) 600 °C/W SOD-523, epoxy printed circuit board with recommended pad layout 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 copper Figure 11. Thermal resistance junction to ambient versus copper surface under each lead 4

CAD (KiCad official)

  • Symbol: BAT41KFILM
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: bat41kfilm-etched.step / bat41kfilm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat41kfilm.step / bat41kfilm.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (12 pp, sha256 499cf86516c6984e, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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