The SMC30J36CA is a robust transient voltage suppression (TVS) diode, part of the Transil™ series from STMicroelectronics, designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This particular model is a bidirectional TVS diode, which means it can provide protection in both directions, making it an ideal choice for AC applications or where the polarity is undefined.

Key Features

• Stand-off Voltage: The SMC30J36CA has a stand-off voltage of 36V, which makes it suitable for a wide range of applications that require a high level of protection against voltage transients.
• Peak Pulse Power: It offers a peak pulse power dissipation of 3000W (10/1000μs), ensuring reliable protection for sensitive circuits against high energy transients.
• Package: This diode comes in an SMC (DO-214AB) package, which is known for its compact footprint and high reliability. This package is also well-suited for high-volume manufacturing and is compatible with automatic pick and place equipment.
• Low Clamping Voltage: With its low clamping voltage, the SMC30J36CA provides an efficient protection by clamping the overvoltage to a safe level without causing significant disruption to the normal operation of the protected device.
• Junction Temperature: It features a wide operating junction temperature range from -55°C to +150°C, accommodating various environmental conditions.
• Compliance: The device meets ISO 7637-2 and ISO 16750-2 standards for automotive applications, ensuring reliability and performance under harsh conditions.

Applications

The SMC30J36CA is ideal for protecting voltage sensitive components from electrical over-stress (EOS) and electrostatic discharge (ESD) in applications such as automotive electronics, power supply units, sensitive communication systems, and industrial controllers. Its bidirectional nature also makes it suitable for AC line protection in consumer electronics and telecommunications equipment.

Conclusion

With its combination of high surge capability, low clamping voltage, and robust package, the SMC30J36CA from STMicroelectronics is a versatile and reliable solution for protecting electronic circuits from voltage transients. Whether it's for automotive, industrial, or consumer applications, this TVS diode ensures the safety and longevity of electronic components.