SMCJ70A-TR Transient Voltage Suppressor from STMicroelectronics

The SMCJ70A-TR from STMicroelectronics is a robust transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage spikes and surges. This device is part of STMicroelectronics’ Transil™ series, which is engineered to provide high overvoltage protection by clamping action in a compact package.

With its stand-off voltage of 70V, the SMCJ70A-TR is specifically tailored to safeguard voltage-sensitive components which operate on line voltages from overvoltage transients induced by lightning, electrostatic discharge (ESD), and other transient events. The bidirectional device has a peak pulse power dissipation of 1500W (10/1000μs), ensuring effective protection for your circuits against severe voltage spikes.

The SMCJ70A-TR comes in the industry-standard DO-214AB (SMC) package, which is known for its low profile and ease of PCB layout. This TVS is also characterized by its fast response time, typically in the order of picoseconds, providing immediate protection from transient events. The low incremental surge resistance is another feature that helps in improving the clamping performance during surge events.

One of the key advantages of the SMCJ70A-TR is its high reliability and ruggedness. It meets the ISO 7637-2 pulse 5a and 5b standards and is compliant with the MIL-STD-883 Method 3015.8 for ESD immunity. This makes it suitable for a wide range of applications, including automotive systems, industrial platforms, computer interfaces, and telecom infrastructure.

STMicroelectronics has designed the SMCJ70A-TR with environmental sustainability in mind. It is RoHS compliant and free from hazardous substances, aligning with global regulations on the reduction of electronic waste and toxic materials. The device’s high surge capability and junction passivation optimization technique ensure that it provides reliable performance over a wide operating temperature range of -55°C to +150°C.

In summary, the SMCJ70A-TR from STMicroelectronics is a high-performance solution for protecting your electronic circuits. Its combination of compact form factor, powerful surge protection, and compliance with stringent standards makes it an excellent choice for designers looking to enhance the durability and longevity of their electronic products.