SD12C.TCT 12V Bidirectional TVS ESD Protection Diode SMD SOD-323
The SD12C.TCT is a bidirectional Transient Voltage Suppressor (TVS) diode specifically designed to provide high-speed protection against electrostatic discharge (ESD), electrical fast transients (EFT), and surge events on data, I/O, and power lines. Encapsulated in a compact SOD-323 package, it is an ideal solution for portable electronics, communication devices, embedded systems, and industrial equipment where PCB space is limited.
Built using solid-state silicon avalanche technology, the SD12C.TCT offers lower clamping voltage and superior reliability compared to multilayer varistors (MLVs). It can protect a single bidirectional signal line and is capable of meeting IEC 61000-4-2 Level 4 ESD immunity requirements. The device is commonly used to safeguard microcontrollers, communication ports, sensors, and power inputs from potentially damaging transient voltage spikes.
Features:
- Bidirectional transient voltage suppression.
- ESD protection for sensitive electronic circuits.
- Fast response time.
- Low clamping voltage.
- Low leakage current.
- Solid-state silicon avalanche technology.
- Compact SOD-323 package.
- Suitable replacement for multilayer varistors.
- Protects one I/O, signal, or power line.
- High reliability and long service life.
- Compatible with automated SMT assembly.
- Suitable for portable electronic devices.
- Lead-free version available.
- Designed for high-density PCB layouts.
- IEC ESD immunity support.
Specifications:
| Parameter | Value |
|---|---|
| Part Number | SD12C.TCT |
| Device Type | TVS / ESD Protection Diode |
| Package | SOD-323 |
| Polarity | Bidirectional |
| Working Stand-Off Voltage (VRWM) | 12V |
| Breakdown Voltage (VBR) | 13V Min |
| Clamping Voltage @ 5A | 19V Max |
| Clamping Voltage @ 15A | 24V Max |
| Peak Pulse Power | 350W (8/20µs) |
| Peak Pulse Current | 15A (8/20µs) |
| Junction Capacitance | 10pF |
| Reverse Leakage Current | 1µA Max |
| ESD Protection | IEC 61000-4-2 Level 4 |
| Operating Temperature | -55°C to +125°C |
| Storage Temperature | -55°C to +150°C |
| Mounting Type | Surface Mount (SMD) |
Pinout:
| Pin | Description |
|---|---|
| 1 | Protected Line |
| 2 | Ground Return Path |
Footprint:
Applications:
- USB interface protection.
- Microcontroller I/O protection.
- Communication ports.
- Portable electronics.
- Mobile devices.
- PDA and handheld equipment.
- Industrial control systems.
- Sensor interfaces.
- Power supply input protection.
- Data line protection.
- Notebook and desktop computers.
- Embedded systems.
- Consumer electronics.
- Instrumentation equipment.
Package Included:
- 1x SD12C.TCT 12V Bidirectional TVS ESD Protection Diode SMD SOD-323.
