# FH08X122K302EFG

**PSA Prosperity Dielectrics** · Safety Capacitors · 1808

FH08X122K302EFG from PSA Prosperity Dielectrics, in a 1808. 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 | 1 | passive | Terminal 1 of an unpolarised capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PSA Prosperity Dielectrics |
| Package | 1808 |
| Category | Capacitors |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal capacitance (cap code 122) | C |  | 1.2 |  | nF | Cap code 122 (MPN) | 6 |
| Capacitance tolerance (code K) |  | -10 |  | 10 | % | Cap≥10pF, K (±10%) | 5 |
| Temperature characteristic (X7R) |  | -15 |  | 15 | % | X7R | 5 |
| Rated voltage |  |  | 2.5 |  | KVDC | X2 (FH) series | 5 |
| Impulse voltage (code 302) |  |  | 2.5 |  | KV | Part-number impulse code 302 | 5 |
| Insulation resistance |  | 10 |  |  | GΩ | X7R; whichever is smaller | 5 |
| Insulation resistance R·C |  | 500 |  |  | Ω-F | X7R; whichever is smaller | 5 |
| Capacitance range (X2 class, X7R) minimum |  | 150 |  |  | pF | X2 Class, X7R | 5 |
| Capacitance range (X2 class, X7R) maximum |  |  |  | 56 | nF | X2 Class, X7R | 5 |
| Operating temperature |  | -55 |  | 125 | ℃ |  | 5 |

## 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 | Termination Cu or Ag / Ni / Sn (lead-free termination) • DC to DC converter. | 5 |

## CAD (KiCad official)

- Symbol: `FH08X122K302EFG`
- Footprint: `Capacitor_SMD:C_1808_4520Metric`
- 3D model: 1808 (KiCad packages3D, STEP)
- 3D model files: `fh08x122k302efg-etched.step` / `fh08x122k302efg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fh08x122k302efg.step` / `fh08x122k302efg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PSA Prosperity Dielectrics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346412181090304) (55 pp, sha256 `0f9ad5e6204c947b`, retrieved 2026-10-15, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/fh08x122k302efg-datasheet.pdf)