Taiwan Semiconductor 1-Element Bi-Directional TVS Diode 400W 2-Pin DO-214 SMAJ40CA R3

Taiwan Semiconductor SMAJ40CA R3 is a 1-Element Bi-Directional TVS Diode designed to protect electronic equipment from voltage spikes and transient surges. Rated at 400 watts peak pulse power, this surface mount device in the durable DO-214 package offers reliable transient voltage suppression for a wide range of industrial and electronic applications.

The device features a single diode bi-directional configuration, making it ideal for AC and DC circuit protection. Its electrical specifications include a minimum breakdown voltage (Vbr) of 44.4 volts, maximum reverse stand-off voltage (Vwm) of 40 volts, and a clamping voltage (Vc) of 64.5 volts, ensuring high transient absorption and protection accuracy.

With a maximum operating temperature of 150°C and a minimum operating temperature down to -55°C, this TVS diode supports reliable operation across extreme environments typical in industrial, automotive, and telecommunications sectors.

The compact DO-214 surface mount package measures 4.6 mm in length, 2.83 mm in width, and 2.3 mm in height, facilitating efficient PCB design and assembly. The device’s low maximum reverse leakage current of 5 μA reduces power loss during standby conditions. It is capable of handling a maximum peak pulse current of 6.2 amperes, providing robust surge protection.

This TVS Diode features a single diode configuration for bi-directional voltage clamping. It operates with a minimum breakdown voltage of 44.4 volts and a maximum reverse stand-off voltage of 40 volts. The diode provides peak pulse power dissipation up to 400 watts for high transient energy absorption.

The package type is surface mount DO-214 with dimensions of 4.6 mm length, 2.83 mm width, and 2.3 mm height. Operating temperature range is from -55°C to 150°C, suitable for harsh industrial environments. Maximum peak pulse current rating is 6.2 amps, providing robust surge handling capability.

Clamping voltage of 64.5 volts ensures effective transient suppression. Low maximum reverse leakage current of 5 μA enhances device efficiency in idle state.

This component is widely used in the protection of semiconductors, telecommunications equipment, power supplies, and automotive electronics to prevent damage from electrostatic discharge (ESD) and transient voltage spikes.

Explore similar semiconductor protection devices and complete your component selections with EnvMart’s extensive catalog of reliable electronic components.