# SS220Q

**Yangzhou Yangjie Elec Tech** · Schottky Diodes · SMB(DO-214AA)

SS220Q from Yangzhou Yangjie Elec Tech, in a SMB(DO-214AA). 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, marked by the cathode line on the package; SS220Q has VRRM 200 V and VDC 200 V maximum blocking voltage. |
| 2 | A | passive | Anode terminal; SS220Q carries 2.0 A maximum average forward rectified current with VF 0.9 V max at IF=2 A, TJ=25℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SMB(DO-214AA) |
| 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 | Ta=25℃ | 1 |
| Maximum RMS voltage | VRMS |  |  | 140 | V | Ta=25℃ | 1 |
| Maximum DC blocking voltage | VDC |  |  | 200 | V | Ta=25℃ | 1 |
| Maximum average forward rectified current | IO |  |  | 2 | A | at TL (Fig.1) | 1 |
| Surge (non-repetitive) forward current | IFSM |  |  | 75 | A | @60Hz half-sine wave, 1 cycle, TJ=25℃ | 1 |
| Voltage rate of change | dV/dt |  |  | 10000 | V/μs | rated VR | 1 |
| Storage temperature | Tstg | -55 |  | 175 | ℃ |  | 1 |
| Junction temperature | TJ | -55 |  | 175 | ℃ |  | 1 |
| Instantaneous forward voltage | VF |  | 0.82 | 0.9 | V | IF=2A, TJ=25℃ | 1 |
| Instantaneous forward voltage | VF |  |  | 0.75 | V | IF=2A, TJ=125℃ | 1 |
| Reverse current | IR |  |  | 5 | μA | Rated VR, TJ=25℃ | 1 |
| Reverse current | IR |  | 15 | 150 | μA | Rated VR, TJ=125℃ | 1 |
| Thermal resistance junction to ambient | RθJ-A |  | 75 |  | ℃/W | mounted on P.C.B. with 5.0 mm x 5.0 mm copper pad areas | 2 |
| Typical junction capacitance | CJ |  | 40 |  | pF | VR=4V, f=1MHz | 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: `SS220Q`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files: `ss220q-etched.step` / `ss220q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ss220q.step` / `ss220q.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/ss220q-datasheet.pdf) (4 pp, sha256 `d5497025d38e5d19`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/ss220q-datasheet.pdf)