# 1SMA4752_R1_10001

**PANJIT International** · Zener Diodes · SMA

1SMA4752_R1_10001 from PANJIT International, 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, identified by the color band at the cathode end of the package; the device is rated 1 W with a nominal zener voltage of 3.3 to 51 V for this family. |
| 2 | Anode | passive | Anode terminal of the zener diode; the datasheet's device ratings apply, including peak forward surge current IFSM of 10 A (8.3 ms half sine-wave) and an operating junction and storage range of -55 to +150 °C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SMA |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `1SMA4752_R1_10001`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA (KiCad packages3D, STEP)
- 3D model files: `1sma4752-r1-10001-etched.step` / `1sma4752-r1-10001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1sma4752-r1-10001.step` / `1sma4752-r1-10001.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590202574088536064) (8 pp, sha256 `d500ab292ff58520`, retrieved 2026-10-13, 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/1sma4752-r1-10001-datasheet.pdf)