FMEN-220B

Diode Arrays Overview

The FMEN-220B is a 150 V, 20 A Schottky diode designed to improve forward voltage characteristics for enhanced power supply efficiency and high-frequency system operation. It features a typical forward voltage drop of 0.90 V at 10 A and a maximum reverse leakage current of 200 μA at rated voltage. The device utilizes a bare lead frame that is Pb-free and RoHS compliant, with flammability equivalent to UL94V-0. It operates within a junction temperature range of -40 °C to 150 °C and includes a thermal resistance (junction-to-case) of 4.0 °C/W.

Diode Arrays Feature Summary

• Improved forward voltage characteristic for higher power supply efficiency
• Low leakage current enabling steady operation at high temperatures
• Super-high speed switching capability with low noise
• Pb-free bare lead frame construction

Diode Arrays Applications

• DC-DC converters
• Adapters
• High frequency rectification circuits

Diode Arrays Procurement Notes

Verify the specific datasheet revision (e.g., Rev.1.2) against the manufacturer's official website before finalizing procurement specifications. Confirm that the TO220F-3L package dimensions and mounting screw torque requirements align with the target heatsink design. Ensure compliance with the stated environmental restrictions regarding aerospace, nuclear, and medical applications.

Diode Arrays Selection Notes

Select this component when designing systems requiring a 150 V rating with a continuous current capacity up to 20 A. Consider the 0.90 V typical forward voltage drop for efficiency optimization in high-frequency applications. Evaluate the thermal management strategy based on the 4.0 °C/W junction-to-case resistance and the derating curves provided for various case temperatures and waveforms.

Diode Arrays Part Context

The FMEN-220B belongs to Sanken Electric's Schottky barrier diode portfolio, specifically engineered for general-purpose electronic equipment such as home appliances and office machinery. It serves as a high-speed switching solution suitable for AC adapters and DC-DC conversion stages where low switching noise and improved efficiency are critical design parameters.

Diode Arrays Replacement Considerations

Consult the official Sanken Electric documentation for verified substitute part numbers or updated series replacements. Do not assume cross-compatibility with other manufacturers' devices without verifying electrical ratings and physical package dimensions.

Diode Arrays FAQ

What is the maximum surge forward current rating?

The nonrepetitive peak reverse voltage is 150 V, and the surge forward current (IFSM) is rated at 120 A for a half-cycle sine wave positive side, 10 ms duration, single shot.

How does the reverse leakage current behave at high temperatures?

At a junction temperature of 150 °C and rated reverse voltage, the maximum reverse leakage current under high temperature conditions increases to 50 mA.

What are the soldering limitations for this component?

Soldering must be performed at a distance of at least 1.5 mm from the body. Flow soldering limits are 270 °C for 7 seconds, and iron soldering limits are 350 °C for 3.5 seconds.