# MBR20150CT

**MDD Microdiode Semiconductor** · Schottky Diodes · TO-220AB-3

MBR20150CT from MDD Microdiode Semiconductor, 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 (pin 1 in the internal diagram), with the common cathode on pin 2; part is rated 150 V VRRM and 20.0 A total average forward current. |
| 2 | K/CASE | passive | Common cathode of both Schottky diodes, connected to the case/mounting tab in the internal diagram; rated 150 V maximum DC blocking voltage. |
| 3 | A2 | passive | Anode of the second Schottky diode (pin 3 in the internal diagram), with the common cathode on pin 2; part is rated 150 V VRRM and 20.0 A total average forward current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | VRRM |  |  | 150 | V |  | 1 |
| Maximum RMS voltage | VRMS |  |  | 135 | V |  | 1 |
| Maximum DC blocking voltage | VDC |  |  | 150 | V |  | 1 |
| Maximum average forward rectified current | I(AV) |  |  | 20 | A |  | 1 |
| Peak forward surge current | IFSM |  |  | 150 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 1 |
| Maximum instantaneous forward voltage | VF |  |  | 0.95 | V | at 10.0A | 1 |
| Maximum DC reverse current | IR |  |  | 0.2 | mA | TA=25℃ at rated DC blocking voltage | 1 |
| Maximum DC reverse current | IR |  |  | 50 | mA | TA=100℃ at rated DC blocking voltage | 1 |
| Operating junction temperature range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Storage temperature range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Typical thermal resistance | RθJC |  | 1.5 |  | ℃/W | Thermal resistance from junction to case (NOTE 2) | 1 |

## CAD (KiCad official)

- Symbol: `MBR20150CT`
- Footprint: `Package_TO_SOT_THT:TO-220F-3_Vertical`
- 3D model: TO-220AB-3 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [MDD Microdiode Semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896439716499456) (2 pp, sha256 `16417c910b4aa586`, retrieved 2026-10-15, 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/mbr20150ct-datasheet.pdf)