STMicroelectronics 1200 V 8 A Single Fast Recovery Diode Surface Mount TO-220AC STTH812D

STMicroelectronics STTH812D is a high-performance fast recovery diode designed for efficient and reliable operation in power electronics circuits. Featuring a continuous forward current rating of 8A and a peak repetitive reverse voltage of 1200V, this semiconductor device is suitable for industrial and commercial applications that demand fast switching and minimal power loss.

With a surface mount package TO-220AC, it offers excellent thermal conductivity and ease of mounting to heat sinks or PCBs. The diode's fast recovery characteristic, with a peak reverse recovery time of only 100 nanoseconds, makes it ideal for switch mode power supplies, inverters, and motor control circuits where rapid switching improves overall efficiency.

The maximum forward voltage drop of 1.9V reduces conduction losses and heat dissipation, contributing to enhanced durability and performance under demanding electrical loads. This device supports a wide operating temperature range from -65°C to 175°C, making it reliable for usage in varied environmental conditions including industrial automation and automotive electronics where temperature extremes are common.

Designed as a single diode with two pins, the STTH812D can handle surges up to 80A, providing robustness during transient events such as motor startups or inductive load switching. The diode also features a low peak reverse current of 50 microamperes, ensuring low leakage and improved circuit stability.

Its compact dimensions (height 4.6mm, length 10.4mm, width 9.15mm, diameter 3mm) facilitate integration in compact assemblies and high-density PCB layouts. The device complies with RoHS directives, ensuring it meets environmental safety standards.

Manufactured in China, the STTH812D diode is a trusted component for applications in industrial, manufacturing, power supply, and automotive sectors requiring fast recovery performance and reliable current handling.

This diode features a fast recovery characteristic suitable for high-frequency applications. It has a maximum forward voltage drop of 1.9V ensuring efficient power handling. The package type is TO-220AC, allowing easy mounting and good thermal conductivity.

Operating temperature ranges from -65°C to 175°C, supporting harsh environments. Peak non-repetitive forward surge current is 80A, making it robust for transient conditions. Peak reverse recovery time is 100ns, supporting rapid switching performance.

The device has two pins and a single diode configuration. Complies with RoHS standards for environmental compliance. Dimensions include height 4.6mm, length 10.4mm, width 9.15mm, and diameter 3mm. Manufactured in China under strict quality controls.

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