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MBR1545
Public Made by Adomby adom
SMC Sangdest Microelectronicstronic Nanjing Schottky Diodes, TO-220-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMBR1545
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mbr1545.step/mbr1545.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).