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MBR1545

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SMC Sangdest Microelectronicstronic Nanjing Schottky Diodes, TO-220-2. 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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mbr1545-hero.glb mbr1545: hero GLB from the etched model (keeps the MPN mark) · Ray 9d ago
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MBR1545

SMC Sangdest Microelectronicstronic Nanjing · Schottky Diodes · TO-220-2

MBR1545 from SMC Sangdest Microelectronicstronic Nanjing, in a TO-220-2. 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 (tab is also cathode per TO-220AC convention not stated); rated 45 V VRRM/VR and 15 A average forward current.
2 A passive Anode of the Schottky rectifier; forward voltage drop 0.70 V max at 15 A, TJ = 25 °C.

Key specifications

Parameter Value
Manufacturer SMC Sangdest Microelectronicstronic Nanjing
Package TO-220-2
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
Peak Repetitive Reverse Voltage VRRM 45 V 1
Working Peak Reverse Voltage VRWM 45 V 1
DC Blocking Voltage VR 45 V 1
Average Rectified Forward Current IF(AV) 15 A 50% duty cycle @Tc=123°C, rectangular wave form 1
Peak One Cycle Non-Repetitive Surge Current IFSM 240 A 8.3ms, Half Sine pulse, TC = 25 C 1
Forward Voltage Drop VF1 0.6 0.7 V @ 15A, Pulse, TJ = 25 C 1
Forward Voltage Drop VF2 0.57 0.6 V @ 15 A, Pulse, TJ = 125 C 1
Reverse Current IR1 0.03 1 mA @VR = rated VR, TJ = 25 C 1
Reverse Current IR2 15 40 mA @VR = rated VR, TJ = 125 C 1
Junction Capacitance CT 815 900 pF @VR = 5V, TC = 25 C, fSIG = 1MHz 1
Voltage Rate of Change dv/dt 10000 V/s 1
Junction Temperature TJ -55 150 C 2
Storage Temperature Tstg -55 150 C 2
Typical Thermal Resistance Junction to Case RθJC 1.6 C/W DC operation 2

CAD (KiCad official)

  • Symbol: MBR1545
  • Footprint: Package_TO_SOT_THT:TO-220-2_Vertical
  • 3D model: TO-220-2 (KiCad packages3D, STEP)
  • 3D model files: mbr1545-etched.step / mbr1545-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr1545.step / mbr1545.glb are the bare package body.

Provenance

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

  • Datasheet: SMC Sangdest Microelectronicstronic Nanjing datasheet (4 pp, sha256 dcaacec6843f4a95, 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