TDK-Lambda Switching Power Supply 5V DC 40W PCB Mount Encapsulated Medical Approved KMS40-5

TDK-Lambda KMS40-5 is a high-performance switching power supply designed for industrial and medical applications requiring reliable and efficient PCB mounted power conversion. It delivers a single output voltage of 5V DC at up to 8A current, offering a power rating of 40W. The encapsulated design using a plastic case rated UL94V-0 ensures safety and durability while maintaining a compact form factor of 89mm length, 63.5mm width, and 27mm depth. With a weight of 280 grams, it is lightweight and suitable for space-constrained environments.

Operating over a wide temperature range from -25°C to 70°C, the KMS40-5 power supply includes comprehensive protection mechanisms against over current, over voltage, and over temperature conditions, ensuring system safety and longevity. This model is certified to stringent safety and electromagnetic compatibility standards including IEC/UL/CSA/EN 62368-1, VCCI-B, CE, EN 55011, EN 55022-B, EN 61000 series, and FCC Class B, making it suitable for deployment in sensitive medical equipment and other industrial machinery.

The switching power supply accepts a broad input voltage range, from 90V AC to 375V DC, supporting flexible power supply configurations and worldwide voltage standards. The class II insulation design eliminates the need for a protective earth connection, simplifying installation requirements.

Single 5V DC output with 8A maximum current capacity. Encapsulated PCB mount with UL94V-0 rated plastic case for enhanced safety. High efficiency of approximately 90% reduces heat generation and power loss. Wide temperature operation from -25°C up to 70°C with de-rating above 50°C.

Robust protections against electrical faults increase reliability in industrial environments. Meets diverse international safety and EMC standards for medical and industrial use. Compact size and light weight support integration in space-limited applications.

Input voltage range supporting 90V AC to maximum 375V DC. Class II insulation eliminates ground connection requirement.

This switching power supply is ideal for use in industrial machines, laboratory instruments, medical devices, and electronic equipment where reliable 5V DC power is required. Its certification and high performance ensure compliance with industrial and medical regulatory requirements. For further product exploration and related power supply solutions, browse the Power Supplies and Switching Power Supplies categories on EnvMart.