STMicroelectronics 1.5 kW 1-Element Uni-Directional TVS Diode, Surface Mount DO-214, 2 Pin SMCJ33A-TR

STMicroelectronics SMCJ33A-TR is a high-reliability 1-element uni-directional Transient Voltage Suppressor (TVS) diode designed for transient voltage suppression in electronic circuits. It features a robust surface-mount DO-214 package, ensuring compact integration in modern PCB assemblies. The device supports a peak pulse power dissipation of 1.5 kW, making it suitable for protecting sensitive electronic components from high-energy transient voltage spikes.

The diode's electrical characteristics include a minimum breakdown voltage of 36.7 volts, a maximum reverse stand-off voltage of 33 volts, and a clamping voltage of 69.7 volts at peak pulse current. It can safely conduct a maximum peak pulse current of 143 amperes during surge events. The device maintains low leakage currents (max 200 nA) during normal operation, enhancing circuit efficiency.

Designed for surface mounting, the SMCJ33A-TR is housed in a DO-214 package with a compact footprint of 7.15 mm length, 6.25 mm width, and 2.45 mm height with two pins for PCB mounting. The component operates reliably over a temperature range of -55° to 150° Celsius, suitable for industrial and electronics manufacturing environments.

This TVS diode is widely used in transient voltage suppression applications across industries including telecommunications, automotive non-certified components, industrial control systems, consumer electronics, and power supply protection.

It is part of the SMCJxxA series, recognized for durable and consistent performance in protecting circuits against voltage surges. The combination of high peak pulse power capability and low leakage current makes it an ideal component for circuit protection scenarios where reliability and safety are paramount.

This diode features a single element in a unidirectional configuration for efficient voltage suppression. It offers a minimum breakdown voltage of 36.7 volts and a maximum reverse stand-off voltage of 33 volts. The diode is built for surface mounting with a compact DO-214 package and two pins.

The peak pulse power dissipation capability is rated at 1.5 kW with a clamping voltage of 69.7 volts. Operating temperature range is from -55° Celsius to 150° Celsius. The maximum peak pulse current it can handle is 143 amperes.

The maximum reverse leakage current is 200 nanoamperes ensuring low leakage under operating conditions. Physical dimensions include a length of 7.15 mm, width of 6.25 mm, and height of 2.45 mm. The diode does not have automotive certification but is compliant with industry standards.

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