# SMS24CT1G

**onsemi** · TVS · TSOP-6

SMS24CT1G from onsemi, in a TSOP-6. 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 of one of the five independent protected lines, with the common anode on pin 2. |
| 2 | ANODE | passive | Common anode shared by all five protection diodes, connected to GND in the typical applications shown. |
| 3 | CATHODE | passive | Cathode terminal of one of the five independent protected lines, with the common anode on pin 2. |
| 4 | CATHODE | passive | Cathode terminal of one of the five independent protected lines, with the common anode on pin 2. |
| 5 | CATHODE | passive | Cathode terminal of one of the five independent protected lines, with the common anode on pin 2. |
| 6 | CATHODE | passive | Cathode terminal of one of the five independent protected lines, with the common anode on pin 2. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TSOP-6 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 6 |

## 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 Power Dissipation (8 x 20 µs double exponential waveform) | PPK |  |  | 350 | W | 8 x 20 µs double exponential waveform (Note 1) | 1 |
| Operating Junction Temperature Range | TJ | -40 |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Lead Solder Temperature | TL |  |  | 260 | °C | 10 s | 1 |
| ESD Human Body Model (HBM) |  | 8000 |  |  | V | Printed as >8000 (lower bound) | 1 |
| ESD Machine Model (MM) |  | 400 |  |  | V | Printed as >400 (lower bound) | 1 |
| ESD IEC 61000-4-2 Air (ESD) |  | 15000 |  |  | V | Printed as >15000 (lower bound) | 1 |
| ESD IEC 61000-4-2 Contact (ESD) |  | 8000 |  |  | V | Printed as >8000 (lower bound) | 1 |
| Reverse Working Voltage | VRWM |  |  | 24 | V | Note 2 | 2 |
| Breakdown Voltage | VBR | 26.7 |  | 32 | V | IT = 1.0 mA (Note 3) | 2 |
| Reverse Leakage Current | IR |  | 0.001 | 1 | A | VRWM = 24 V | 2 |
| Clamping Voltage | VC |  |  | 40 | V | IPP = 5.0 A (8 x 20 µs Waveform) | 2 |
| Clamping Voltage | VC |  |  | 44 | V | IPP = 8 A (8 x 20 µs Waveform) | 2 |
| Maximum Peak Pulse Current | IPP |  |  | 8 | A | 8 x 20 µs Waveform | 2 |
| Capacitance (Line to GND) | CJ |  | 60 | 75 | pF | VR = 0 V, f = 1.0 MHz (Line to GND) | 2 |

## CAD (KiCad official)

- Symbol: `SMS24CT1G`
- Footprint: `Package_SO:TSOP-6_1.65x3.05mm_P0.95mm`
- 3D model: TSOP-6 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/sms24ct1-d.pdf) (6 pp, sha256 `d8391dd45e554aa8`, retrieved 2026-11-05, tier: manufacturer)
- **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/sms24ct1g-datasheet.pdf)