SM712-TP: ESD Protection TVS Diode, SOT-23, Dual Direction, ±30kV

MCC

The SM712-TP is a dual-direction TVS (Transient Voltage Suppressor) diode designed specifically for sensitive ESD (Electrostatic Discharge) protection. It features excellent clamping capability, ensuring that devices are shielded from transient voltage spikes. The diode boasts a low leakage current, making it suitable for applications where power efficiency is critical. With a response time of less than 1ns, it offers immediate protection against ESD events, minimizing potential damage.

Constructed to meet high reliability and performance standards, the SM712-TP is encapsulated in a SOT-23 package, making it suitable for compact designs. It complies with the IEC61000-4-2 standard for air and contact discharge, providing ±30kV of protection. Additionally, the device is characterized by its Moisture Sensitivity Level 1 rating and meets the UL 94 V-0 flammability rating, ensuring safety and durability in various environments.

• Package Type: SOT-23
• ESD Protection: ±30kV (Air and Contact)
• Response Time: <1ns
• Operating Junction Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C
• Peak Pulse Current (8/20μs): 13A
• Peak Pulse Power (8/20μs): 400W
• Reverse Working Voltage: 12V (Pin 1 or 2 to Pin 3), 7V (Pin 3 to Pin 1 or 2)
• Clamping Voltage: 25V at 13A, 10.5V at 5A
• Junction Capacitance: 45pF

• Consumer Electronics: Protecting sensitive electronics in smartphones, tablets, and laptops.
• Industrial Control Systems: ESD protection in control panels and sensors.
• Telecommunications Equipment: Shielding communication devices from ESD damage.
• Portable Medical Devices: Ensuring the reliability and safety of handheld medical instruments.

TVS (Transient Voltage Suppressor) diodes are semiconductor devices designed to protect sensitive electronics from voltage spikes and surges, including those caused by electrostatic discharge (ESD), lightning, and other transient voltage events. They work by clamping overvoltage to a safe level that the protected circuit can withstand, thus preventing damage.

When selecting a TVS diode, important considerations include the working voltage, clamping voltage, peak pulse current, and package type. The working voltage should match or exceed the normal operating voltage of the circuit. The clamping voltage determines the maximum voltage level that the diode allows to pass through to the protected circuit during a surge event. The peak pulse current rating indicates the maximum transient current the diode can handle without failure.

TVS diodes find applications across a broad range of industries, including consumer electronics, automotive, industrial control, telecommunications, and medical devices. Their fast response time and ability to withstand high transient currents make them essential for protecting sensitive components from ESD and other overvoltage conditions.

For effective protection, it's crucial to select a TVS diode that matches the specific requirements of the application, considering factors like the expected surge environment, circuit sensitivity, and space constraints. Proper placement in the circuit layout is also key to ensuring optimal performance and protection.