# RCLAMP1521P

**TECH PUBLIC** · ESD Protection Devices · DFN1006-2

RCLAMP1521P from TECH PUBLIC, in a DFN1006-2. 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 | I/O | passive | Bi-directional TVS I/O terminal 1 (symmetric with pin 2), protecting a line with 15V max reverse working voltage and ±15kV contact / ±20kV air ESD per IEC 61000-4-2. |
| 2 | I/O | passive | Bi-directional TVS I/O terminal 2 (symmetric with pin 1), 0.35pF typical junction capacitance, 27V max clamping voltage at Ipp=1A (8x20us). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | DFN1006-2 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `RCLAMP1521P`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `rclamp1521p-etched.step` / `rclamp1521p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rclamp1521p.step` / `rclamp1521p.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/rclamp1521p-datasheet.pdf) (4 pp, sha256 `c86af48382cfd1cf`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-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/rclamp1521p-datasheet.pdf)