BY459X-1500S,127

Overview

The BY459X-1500S is a glass-passivated double diffused PIN rectifier diode designed for high-voltage applications. It features fast forward recovery and low forward recovery voltage, making it suitable for HDTV receivers and multi-sync monitor horizontal deflection circuits. The device operates with a peak repetitive reverse voltage of 1500 V and supports an RMS forward current of 30 A. It utilizes the SOD113 package, which includes an isolated mounting tab for heatsink attachment.

Feature Summary

• Features fast switching capabilities with soft recovery characteristics to minimize electromagnetic interference.
• Provides high thermal cycling performance and robustness under demanding operating conditions.
• Incorporates an electrically isolated mounting tab to facilitate secure mechanical mounting without electrical shorting.

Applications

• Horizontal deflection circuits in HDTV receivers
• Horizontal deflection circuits in multi-sync monitors
• High-voltage damper diode applications

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm exact specifications. Ensure that the component meets all relevant safety standards required for your application environment. Cross-reference the datasheet revision date to ensure access to the most current technical parameters and mechanical drawings before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits requiring high-voltage rectification with fast recovery times. Consider the thermal resistance values provided in the datasheet to determine appropriate heatsinking requirements. Evaluate the peak non-repetitive forward current limits to ensure the diode can withstand surge currents inherent in horizontal deflection applications without damage.

Part Context

This component belongs to the BY459X series of fast, high-voltage damper diodes manufactured by NXP Semiconductors (formerly Philips Semiconductors). The series is engineered specifically for power handling in display technology applications. The SOD113 package variant offers a standardized footprint for integration into existing board layouts designed for TO-220 style components.

Replacement Considerations

Check for direct equivalents within the BY459X family, such as the BY459X-1500, ensuring pinout compatibility and isolation requirements are met. Verify that any substitute part matches the 1500 V reverse voltage rating and the specific thermal resistance characteristics required for your heat dissipation design.

FAQ

What is the maximum peak repetitive reverse voltage for the BY459X-1500S?

The maximum peak repetitive reverse voltage (VRRM) is 1500 V.

Does the BY459X-1500S package have an isolated mounting tab?

Yes, the SOD113 package features an isolated mounting tab, allowing the device to be mounted to a heatsink without electrical connection to the terminals.

What is the typical reverse recovery time for this diode?

The typical reverse recovery time (trr) is 0.25 µs under standard test conditions.