# MBRF30100CT

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

MBRF30100CT from MDD Microdiode Semiconductor, in a ITO-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 | PIN1 | passive | Anode of the first Schottky diode (leg 1); the 100V part (MBRF30100CT) has VRRM 100 V, VF 0.85 V at 15.0 A per leg. |
| 2 | PIN2 | passive | Common cathode of both diodes, shared by PIN1 and PIN3 per the schematic symbol. |
| 3 | PIN3 | passive | Anode of the second Schottky diode (leg 2); total rated average forward current I(AV) is 30.0 A for the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | ITO-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 |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM |  |  | 100 | V | MBRF30100CT column | 1 |
| Maximum RMS voltage | VRMS |  |  | 70 | V | MBRF30100CT column | 1 |
| Maximum DC blocking voltage | VDC |  |  | 100 | V | MBRF30100CT column | 1 |
| Maximum average forward rectified current | I(AV) |  |  | 30 | A | see fig.1 | 1 |
| Peak forward surge current | IFSM |  |  | 250 | A | 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) | 1 |
| Maximum instantaneous forward voltage | VF |  |  | 0.85 | V | at 15.0A | 1 |
| Typical thermal resistance, junction to case | RθJC |  | 1.5 |  | ℃/W | Thermal resistance from junction to case (NOTE 2) | 1 |
| Operating junction temperature range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Storage temperature range | TSTG | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `MBRF30100CT`
- Footprint: `Package_TO_SOT_THT:TO-220F-3_Vertical`
- 3D model: ITO-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/8588891228175257600) (3 pp, sha256 `0ffb1c4fba7e89ce`, 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).

[Datasheet PDF](docs/mbrf30100ct-datasheet.pdf)