# SS220-AT

**Agertech** · Schottky Barrier Diodes (SBD) · SMA

SS220-AT from Agertech, in a SMA. 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 of the Schottky rectifier; SS220-AT is rated for 200 V repetitive peak reverse voltage and 2.0 A average forward current. |
| 2 | Anode | passive | Anode terminal of the Schottky rectifier; SS220-AT has a maximum instantaneous forward voltage of 0.90 V at 2 A and 50 A peak forward surge current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Agertech |
| Package | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Repetitive Peak Reverse Voltage | VRRM |  |  | 200 | V |  | 1 |
| Maximum RMS Voltage | VRMS |  |  | 140 | V |  | 1 |
| Maximum DC Blocking Voltage | VDC |  |  | 200 | V |  | 1 |
| Maximum Average Forward Rectified Current | IF(AV) |  |  | 2 | A |  | 1 |
| Peak Forward Surge Current | IFSM |  |  | 50 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 |
| Maximum Instantaneous Forward Voltage | VF |  |  | 0.9 | V | at 2A | 1 |
| Maximum DC Reverse Current | IR |  |  | 0.3 | mA | TA = 25°C, at rated DC reverse voltage | 1 |
| Maximum DC Reverse Current | IR |  |  | 3 | mA | TA = 100°C, at rated DC reverse voltage | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 125 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Typical Thermal Resistance | RθJA |  | 80 |  | °C/W | P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas | 1 |
| Typical Junction Capacitance | CJ |  | 80 |  | pF | Measured at 1MHz and applied reverse voltage of 4 V DC | 1 |

## CAD (KiCad official)

- Symbol: `SS220-AT`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA (KiCad packages3D, STEP)
- 3D model files: `ss220-at-etched.step` / `ss220-at-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ss220-at.step` / `ss220-at.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Agertech datasheet](docs/ss220-at-datasheet.pdf) (3 pp, sha256 `6e903e4a5277a929`, retrieved 2026-10-23, 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/ss220-at-datasheet.pdf)