The Traco Power TMR 9-2421 is a high-performance DC-DC converter designed for a wide range of applications in industrial, telecommunications, and medical equipment. This module is part of Traco Power%27s TMR series, which is known for its compact size, high efficiency, and reliability. Below is a detailed introduction to the TMR 9-2421, including its specifications and parameters.

## Overview

The TMR 9-2421 is a 9W isolated DC-DC converter that provides a regulated output voltage from a wide input voltage range. It is designed to convert a DC input voltage into a stable DC output voltage, making it suitable for powering various electronic devices and systems. The converter is particularly valued for its high efficiency, low noise, and compact design, which allows for easy integration into space-constrained applications.

## Key Features

1. High Efficiency: The TMR 9-2421 boasts an efficiency of up to 87%, which minimizes power loss and heat generation, making it suitable for applications where thermal management is critical.

2. Wide Input Voltage Range: The converter accepts a wide input voltage range of 9 to 36 VDC, providing flexibility for various power supply configurations.

3. Isolated Output: The TMR 9-2421 features galvanic isolation of 1,500 VDC, ensuring safety and protection for sensitive components in the circuit.

4. Compact Design: The module is designed in a compact package, making it ideal for applications with limited space. Its small footprint allows for easy integration into existing designs.

5. Low Output Ripple and Noise: The converter is designed to provide low output ripple and noise, ensuring stable operation of connected devices.

6. Wide Operating Temperature Range: The TMR 9-2421 operates effectively in a wide temperature range, from -40°C to +85°C, making it suitable for harsh environments.

7. Short-Circuit Protection: The module includes built-in short-circuit protection, enhancing reliability and preventing damage in case of faults.

8. Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different application requirements.

## Specifications

- Model Number: TMR 9-2421
- Input Voltage Range: 9 to 36 VDC
- Output Voltage: 24 VDC (fixed)
- Output Current: 0.375 A (maximum)
- Output Power: 9 W (maximum)
- Efficiency: Up to 87%
- Isolation Voltage: 1,500 VDC
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -55°C to +125°C
- Dimensions: 1.0 x 1.0 x 0.4 inches (25.4 x 25.4 x 10.2 mm)
- Weight: Approximately 30 grams
- Output Ripple and Noise: 50 mV (typical)
- Protection Features: Short-circuit protection, over-temperature protection

## Applications

The Traco Power TMR 9-2421 is suitable for a variety of applications, including:

- Telecommunications: Used in communication equipment for signal processing and power supply.
- Industrial Automation: Employed in control systems, sensors, and actuators.
- Medical Devices: Suitable for powering medical equipment that requires reliable and stable power.
- Consumer Electronics: Used in various consumer electronic devices requiring efficient power conversion.
- Embedded Systems: Ideal for embedded applications where space and efficiency are critical.

## Conclusion

The Traco Power TMR 9-2421 is a reliable and efficient DC-DC converter that meets the demands of modern electronic applications. With its high efficiency, wide input voltage range, and compact design, it provides an excellent solution for powering a variety of devices in industrial, telecommunications, and medical sectors. Its robust specifications and protective features ensure that it can operate effectively in challenging environments, making it a preferred choice for engineers and designers looking for a dependable power conversion solution.