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SB1545L

Public Made by Adom

by adom

MSKSEMI Schottky Diodes, TO-277. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SB1545L

MSKSEMI · Schottky Diodes · TO-277

SB1545L from MSKSEMI, in a TO-277. 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 A passive Anode terminal (PIN 1), one of two small anode pads tied together; the part is rated 45V reverse and 15.0A average forward current.
2 K passive Cathode terminal (PIN 2), the large cathode pad indicated by the cathode band; the part is rated 45V maximum DC blocking voltage with 0.47V forward drop at 15.0A.
3 A passive Anode terminal (PIN 3), the second small anode pad shown in the same symbol as PIN 1; the part is rated 45V reverse and 15.0A average forward current.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package TO-277
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
Maximum Recurrent Peak Reverse Voltage VRRM 45 V 2
Maximum RMS Voltage VRMS 32 V 2
Maximum DC Blocking Voltage VDC 45 V 2
Maximum Average Forward Rectified Current IF(AV) 15 A See Fig. 1 2
Peak Forward Surge Current IFSM 175 A 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) 2
Maximum Instantaneous Forward Voltage VF 0.47 V at 15.0A 2
Maximum DC Reverse Current IR 0.2 mA Ta=25 C, at rated DC blocking voltage 2
Maximum DC Reverse Current IR 20 mA Ta=100 C, at rated DC blocking voltage 2
Typical Junction Capacitance (Note1) CJ 31 pF 2
Operating Temperature Range TJ -65 150 C 2
Storage Temperature Range TSTG -65 150 C 2

CAD (KiCad official)

  • Symbol: SB1545L
  • Footprint: Package_TO_SOT_SMD:TO-277A
  • 3D model: TO-277 (KiCad packages3D, STEP)
  • 3D model files: sb1545l-etched.step / sb1545l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sb1545l.step / sb1545l.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 f5d4f7c0be7bee5f, retrieved 2026-10-21, 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