component
MBR2045CTP
Public Made by Adomby adom
SMC Sangdest Microelectronicstronic Nanjing Schottky Diodes, TO-220AB-3. Pinout reviewed by a person 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
markdownMBR2045CTP
SMC Sangdest Microelectronicstronic Nanjing · Schottky Diodes · TO-220AB-3
MBR2045CTP from SMC Sangdest Microelectronicstronic Nanjing, in a TO-220AB-3. 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 | A1 | passive | Anode of the first Schottky diode leg, rated 10A average forward current per leg and 45V VRRM. |
| 2 | CK | passive | Common cathode of both diode legs, connected to the case/tab as shown in the circuit diagram; 20A per device total. |
| 3 | A2 | passive | Anode of the second Schottky diode leg, rated 10A average forward current per leg and 45V VRRM. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SMC Sangdest Microelectronicstronic Nanjing |
| Package | TO-220AB-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward Voltage Drop (per leg), 20A pulse | VF1 | 0.74 | 0.84 | V | @ 20A, Pulse, TJ = 25 C | 1 | |
| Forward Voltage Drop (per leg), 20A pulse, 125 C | VF2 | 0.7 | 0.72 | V | @ 20A, Pulse, TJ = 125 C | 1 | |
| Reverse Current (per leg) | IR1 | 0.03 | 1 | mA | @VR = rated VR, TJ = 25 C | 1 | |
| Reverse Current (per leg) | IR2 | 9 | 15 | mA | @VR = rated VR, TJ = 125 C | 1 | |
| Junction Capacitance (per leg) | CT | 250 | 400 | pF | @VR = 5V, TC = 25 C, fSIG = 1MHz | 1 | |
| Voltage Rate of Change | dv/dt | 10000 | V/s | 1 | |||
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage | VRRM | 45 | V | 1 | |||
| Average Rectified Forward Current (per leg) | IF (AV) | 10 | A | 50% duty cycle @Tc=116°C, rectangular wave form | 1 | ||
| Average Rectified Forward Current (per device) | IF (AV) | 20 | A | 50% duty cycle @Tc=116°C, rectangular wave form | 1 | ||
| Peak One Cycle Non-Repetitive Surge Current (per leg) | IFSM | 250 | A | 8.3ms, Half Sine pulse | 1 | ||
| Junction Temperature | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature | Tstg | -55 | 150 | °C | 2 | ||
| Typical Thermal Resistance Junction to Case | Rth(j-c) | 5 | °C/W | DC operation | 2 |
CAD (KiCad official)
- Symbol:
MBR2045CTP - Footprint:
Package_TO_SOT_THT:TO-220-3_Vertical - 3D model: TO-220AB-3 (KiCad packages3D, STEP)
- 3D model files:
mbr2045ctp-etched.step/mbr2045ctp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mbr2045ctp.step/mbr2045ctp.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
f4f07e5e81c93e04, retrieved 2026-10-21, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).