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MBR2045AC

Public Made by Adom

by adom

YFW Schottky Diodes, TO-220AC. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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MBR2045AC

YFW · Schottky Diodes · TO-220AC

MBR2045AC from YFW, in a TO-220AC. 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 of the Schottky rectifier (45 V VRRM, 20 A average forward current), electrically connected to the case/mounting tab per the circuit diagram.
2 A passive Anode of the Schottky rectifier (45 V VRRM, 20 A average forward current), shown at PIN 2 in the circuit diagram.

Key specifications

Parameter Value
Manufacturer YFW
Package TO-220AC
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
Maximum Repetitive Peak Reverse Voltage VRRM 45 V Per leg, Ta=25°C 1
Maximum RMS voltage VRMS 31.5 V Per leg, Ta=25°C 1
Maximum DC Blocking Voltage VDC 45 V Per leg, Ta=25°C 1
Maximum average forward current IAV 20 A Per leg, Ta=25°C 1
Peak Forward Surge Current IFSM 150 A 8.3ms Single Half Sine-wave 1
Operating Temperature Range TJ -55 150 °C 1
Storage Temperature Range TSTG -65 175 °C 1
Maximum forward voltage VF 0.57 V IF=10A 1
Maximum average reverse current IR 0.1 mA At rated DC blocking voltage, TA=25°C 1
Maximum average reverse current IR 15 mA At rated DC blocking voltage, TA=125°C 1
Typical thermal resistance RθJC 2 °C/W 1

CAD (KiCad official)

  • Symbol: MBR2045AC
  • Footprint: Package_TO_SOT_THT:TO-220-2_Vertical
  • 3D model: TO-220AC (KiCad packages3D, STEP)
  • 3D model files: mbr2045ac-etched.step / mbr2045ac-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr2045ac.step / mbr2045ac.glb are the bare package body.

Provenance

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

  • Datasheet: YFW datasheet (3 pp, sha256 ce154a6196ab2a65, retrieved 2026-10-23, 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