component
MBR2045AC
Public Made by Adomby adom
YFW Schottky Diodes, TO-220AC. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mbr2045ac.step/mbr2045ac.glbare 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, 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).
# 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](docs/mbr2045ac-datasheet.pdf) (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](docs/mbr2045ac-datasheet.pdf)