# BZX85C62

**ST(Semtech)** · Zener Diodes · DO-41

BZX85C62 from ST(Semtech), in a DO-41. 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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ST(Semtech) |
| Package | DO-41 |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal Zener voltage | VZnom |  | 62 |  | V |  | 2 |
| Dynamic resistance | ZZT |  |  | 125 | Ω | at IZT 4 mA | 2 |
| Dynamic resistance | ZZK |  |  | 2000 | Ω | at IZK 0.25 mA | 2 |
| Reverse current | IR |  |  | 0.5 | µA | at VR 47 V | 2 |
| Power dissipation | Ptot |  |  | 1.3 | W | valid provided leads at 8 mm from case are kept at ambient temperature | 1 |
| Junction temperature | Tj |  |  | 200 | °C |  | 1 |
| Storage temperature range | Tstg | -55 |  | 200 | °C |  | 1 |
| Thermal resistance junction to ambient air | RthA |  |  | 130 | K/W | leads at 8 mm from case kept at ambient temperature | 1 |
| Forward voltage | VF |  |  | 1.2 | V | at IF = 200 mA | 1 |

## CAD (KiCad official)

- Symbol: `BZX85C62`
- Footprint: `Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal`
- 3D model: DO-41 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [ST(Semtech) datasheet](docs/bzx85c62-datasheet.pdf) (3 pp, sha256 `41fcfdfc7dc858b7`, retrieved 2026-10-28, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/bzx85c62-datasheet.pdf)