RCLAMP3331ZATFT

SEMTECH · ESD And Surge Protection (TVS/ESD) · 0201

RCLAMP3331ZATFT from SEMTECH, in a 0201. 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	One of two symmetrical terminals of the single-line ESD protection diode; rated reverse stand-off voltage VRWM is 3.3 V between pin 1 and pin 2 in either direction.
2	2	passive	Second of two symmetrical terminals of the single-line ESD protection diode; rated reverse stand-off voltage VRWM is 3.3 V between pin 2 and pin 1 in either direction.

Key specifications

Parameter	Value
Manufacturer	SEMTECH
Package	0201
Category	Circuit Protection
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
Peak Pulse Power	PPK			30	W	tp = 8/20µs	2
Peak Pulse Current	IPP			4	A	tp = 8/20µs	2
ESD per IEC 61000-4-2 (Air)	VESD	-20		20	kV	per IEC 61000-4-2 (Air)	2
ESD per IEC 61000-4-2 (Contact)	VESD	-18		18	kV	per IEC 61000-4-2 (Contact)	2
Operating Temperature	TJ	-40		85	°C		2
Storage Temperature	TSTG	-55		150	°C		2
Reverse Breakdown Voltage	VBR	5.5	8	10.5	V	IBR = 10 μA	2
Reverse Leakage Current	IR			50	nA	VRWM = 3.3V, Pin 1 to 2 or 2 to 1	2
Junction Capacitance	CJ		0.35	0.45	pF	VR = 0V, f = 1MHz	2
Reverse Stand-Off Voltage	VRWM		3.3		V	Pin 1 to 2 or 2 to 1	2
Dynamic Resistance	RDYN		0.2		Ω	tp = 0.2/100ns	2

CAD (KiCad official)

Symbol: RCLAMP3331ZATFT
Footprint: Diode_SMD:D_0201_0603Metric
3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal 01005 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
3D model files: rclamp3331zatft-etched.step / rclamp3331zatft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rclamp3331zatft.step / rclamp3331zatft.glb are the bare package body.

Provenance

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

Datasheet: SEMTECH datasheet (8 pp, sha256 6403c2967911ed51, retrieved 2026-10-17, 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

# RCLAMP3331ZATFT

**SEMTECH** · ESD And Surge Protection (TVS/ESD) · 0201

RCLAMP3331ZATFT from SEMTECH, in a 0201. 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 | One of two symmetrical terminals of the single-line ESD protection diode; rated reverse stand-off voltage VRWM is 3.3 V between pin 1 and pin 2 in either direction. |
| 2 | 2 | passive | Second of two symmetrical terminals of the single-line ESD protection diode; rated reverse stand-off voltage VRWM is 3.3 V between pin 2 and pin 1 in either direction. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SEMTECH |
| Package | 0201 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power | PPK |  |  | 30 | W | tp = 8/20µs | 2 |
| Peak Pulse Current | IPP |  |  | 4 | A | tp = 8/20µs | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -20 |  | 20 | kV | per IEC 61000-4-2 (Air) | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -18 |  | 18 | kV | per IEC 61000-4-2 (Contact) | 2 |
| Operating Temperature | TJ | -40 |  | 85 | °C |  | 2 |
| Storage Temperature | TSTG | -55 |  | 150 | °C |  | 2 |
| Reverse Breakdown Voltage | VBR | 5.5 | 8 | 10.5 | V | IBR = 10 μA | 2 |
| Reverse Leakage Current | IR |  |  | 50 | nA | VRWM = 3.3V, Pin 1 to 2 or 2 to 1 | 2 |
| Junction Capacitance | CJ |  | 0.35 | 0.45 | pF | VR = 0V, f = 1MHz | 2 |
| Reverse Stand-Off Voltage | VRWM |  | 3.3 |  | V | Pin 1 to 2 or 2 to 1 | 2 |
| Dynamic Resistance | RDYN |  | 0.2 |  | Ω | tp = 0.2/100ns | 2 |

## CAD (KiCad official)

- Symbol: `RCLAMP3331ZATFT`
- Footprint: `Diode_SMD:D_0201_0603Metric`
- 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal _01005_ height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `rclamp3331zatft-etched.step` / `rclamp3331zatft-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rclamp3331zatft.step` / `rclamp3331zatft.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SEMTECH datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040672070373376) (8 pp, sha256 `6403c2967911ed51`, retrieved 2026-10-17, 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/rclamp3331zatft-datasheet.pdf)