Vishay TRANSZORB® 1-Element Uni-Directional TVS Diode 400 W Surface Mount DO-214 SMAJ12A-E3/61

Vishay SMAJ12A-E3/61 is a TRANSZORB® series transient voltage suppressor diode designed for protecting sensitive electronic circuits from voltage spikes. This unidirectional TVS diode has a peak pulse power dissipation rating of 400 W, making it suitable for high-energy transient protection in surface mount applications. Housed in a compact DO-214 package, the diode offers a small form factor with dimensions of 4.5 mm in length, 2.79 mm in width, and 2.09 mm in height, facilitating high-density PCB layouts.

This diode exhibits a minimum breakdown voltage of 13.3 V and provides effective clamping at 19.9 V, ensuring devices are safeguarded from voltage surges. Its maximum reverse stand-off voltage is 12 V, suitable for low voltage protection scenarios. The maximum peak pulse current of 20.1 A allows transient suppression of significant fault currents, while the low maximum reverse leakage current of 1 μA helps maintain energy efficiency in sensitive circuits.

Designed to operate reliably within -55°C to +150°C, this TVS diode meets the stringent Automotive AEC-Q101 standard, making it apt for automotive electronics, industrial controls, telecommunications, and consumer electronics protection applications. Its robust construction and surface mount configuration simplify automated assembly and reduce board space requirements.

Applications include industrial electronics protection, power supply safeguarding, automotive transient voltage protection, communication interface protection, and general semiconductor surge suppression. Incorporating this diode enhances circuit durability, reduces downtime, and protects downstream components from damage.

The product is manufactured in China and represents the high-quality semiconductor devices from Vishay Semiconductor. Uni-directional diode configuration ensures reliable transient voltage suppression. Peak pulse power dissipation of 400 W supports robust protection.

Operating temperature range from -55°C to 150°C for wide environmental tolerance. Maximum peak pulse current of 20.1 A for effective transient handling. Compact dimensions with 4.5 mm length, 2.79 mm width, and 2.09 mm height.

Compliant with Automotive Standard AEC-Q101. Low maximum reverse leakage current of 1 μA enhances efficiency. Clamping voltage of 19.9 V and minimum breakdown voltage of 13.3 V for precise voltage limiting. Surface mount package type DO-214 offers easy PCB integration.

Single-element chip design ensures consistent performance. Explore more in the TVS Diodes category at EnvMart to find compatible transient voltage suppressors for various industrial and commercial electronics applications.