TRACOPOWER DC/DC Converter 9V dc 333 mA 75V dc Input 18V Input 3W Through Hole Metal Case TMR 3-4819WIR

The TRACOPOWER TMR 3-4819WIR DC/DC Converter is a compact, high-performance power supply designed for converting DC voltages with high efficiency in industrial and electronic applications. This 3 Watt converter provides a 9V DC output at a current of 333 mA, handling input voltages ranging widely from 18V to 75V DC, enabling flexible integration across various power sources.

Featuring a robust metal case and a through hole mount type, the device measures 21.8 mm in length, 11.1 mm in depth, and 9.2 mm in width. It employs a single output configuration with a 4:1 wide input ratio and a high isolation voltage of 1.6 kV DC, ensuring protection and noise reduction in sensitive electronic environments.

The converter operates reliably across a broad temperature range from -40°C minimum to 90°C maximum, with full power available up to 78°C ambient temperature and derated operation above this level. Its internal protections include current limitation and short circuit protection, enhancing operational safety and device longevity.

The converter supports a wide 4:1 input voltage ratio from 18V to 75V DC. It features a single fully regulated output ideal for precise voltage conversion. Designed for harsh environments, it operates between -40°C and 90°C with derating above 78°C.

The device offers 3000 VDC input/output isolation for enhanced safety and noise immunity. Includes built-in protections such as short circuit protection and current limitation for reliability. Mounts via through hole with a compact SIP metal package (21.8mm x 11.1mm x 9.2mm).

Efficient energy conversion with an efficiency rating of approximately 80%. Ideal for industrial, electronic, and embedded power supply applications requiring compact and rugged DC/DC conversion.

This converter series also provides an external On/Off control, facilitating power management in complex systems. The product is manufactured in Taiwan, Province Of China, and supports professionals in industrial electronics, embedded systems, telecommunications, and power management sectors with high reliability and performance. The TMR 3-4819WIR provides an MTBF (Mean Time Between Failure) of 5,535,000 hours, highlighting its durability.

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