# ER3JB-TP

**MCC Micro Commercial Components** · Fast Recovery / High Efficiency Diodes · DO-214AA(SMB)

ER3JB-TP from MCC Micro Commercial Components, in a DO-214AA(SMB). 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, the terminal on the cathode-mark (banded) end of the SMB body; ER3JB blocks 600V DC and has a 420V RMS limit. |
| 2 | A | passive | Anode, the terminal opposite the cathode mark; ER3JB carries 3.0A average forward current (TL=80°C) and 100A peak surge (8.3ms half sine). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC Micro Commercial Components |
| Package | DO-214AA(SMB) |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ER3JB-TP`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files: `er3jb-tp-etched.step` / `er3jb-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `er3jb-tp.step` / `er3jb-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915764497952768) (3 pp, sha256 `94468261750d5ac6`, retrieved 2026-10-13, 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/er3jb-tp-datasheet.pdf)