# E1DQ

**Yangzhou Yangjie Elec Tech** · Fast Recovery / High Efficiency Diodes · SOD-123

E1DQ from Yangzhou Yangjie Elec Tech, in a SOD-123. 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 | CATHODE | passive | Cathode terminal, marked by the cathode line on the package; for the E1DQ the repetitive peak reverse voltage VRRM is 200 V. |
| 2 | ANODE | passive | Anode terminal of the rectifier diode; the E1DQ is rated for an average rectified output current IO of 1.0 A and a surge forward current IFSM of 30 A (60 Hz half-sine, 1 cycle, Ta=25℃). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM |  |  | 200 | V |  | 1 |
| Average rectified output current | IO |  |  | 1 | A | @60Hz sine wave, resistance load, TL (Fig.1) | 1 |
| Surge (non-repetitive) forward current | IFSM |  |  | 30 | A | @60Hz half-sine wave, 1 cycle, Ta=25℃ | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Junction temperature | TJ | -55 |  | 150 | ℃ |  | 1 |
| Maximum instantaneous forward voltage drop per diode | VF |  |  | 1 | V | IFM=1.0A | 1 |
| Maximum reverse recovery time | TRR |  |  | 35 | ns | IF=0.5A, IR=1.0A, IRR=0.25A | 1 |
| Typical junction capacitance | CJ |  | 21 |  | pF | VR=4V, f=1MHz | 1 |
| Maximum DC reverse current at rated DC blocking voltage per diode | IRRM |  |  | 5 | μA | Ta=25℃ | 1 |
| Maximum DC reverse current at rated DC blocking voltage per diode | IRRM |  |  | 100 | μA | Ta=125℃ | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |

## CAD (KiCad official)

- Symbol: `E1DQ`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `e1dq-etched.step` / `e1dq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `e1dq.step` / `e1dq.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603373275812536320) (5 pp, sha256 `bb1404c5666bc586`, retrieved 2026-11-07, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/e1dq-datasheet.pdf)