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The Diotec Semiconductor KBPC5004FP is a single-phase silicon bridge rectifier designed for commercial and industrial applications. It features a plastic case with an isolated aluminum baseplate and fast-on terminals. The device supports a maximum repetitive peak reverse voltage (VRRM) of 400 V and a maximum alternating input voltage (VVRMS) of 280 V. It provides a rated forward current (IFAV) of 50 A at forced cooling, with a peak forward surge current (IFSM) of 400 A at 50 Hz. The component operates within a junction temperature range up to 150°C and exhibits a typical forward voltage drop below 1.1 V.
Verify the specific ordering suffix when procuring this component. Standard versions are designated as KBPCxxxxFP or KBPCxxxxWP. Automotive-grade variants require distinct suffixes such as -Q for compliance or -AQ for qualification. Confirm that the selected part matches the required terminal type and reliability standard before finalizing orders.
Select the KBPC5004FP for circuits requiring a 400 V reverse voltage rating and 50 A continuous output current. Ensure adequate forced cooling is implemented to maintain the rated 50 A capacity. Verify that the PCB layout accommodates the 6.3mm fast-on terminals. Consider thermal resistance limits and derating curves if operating at elevated case temperatures.
This component belongs to the KBPC series of single-phase diode bridge rectifiers manufactured by Diotec Semiconductor. The series includes various voltage ratings ranging from 100 V to 1200 V and current capacities up to 50 A. The KBPC5004FP specifically addresses mid-range voltage requirements within this standardized product family.
Direct replacements must match the 50 A current rating, 400 V reverse voltage, and KBPC-4 package dimensions. Verify terminal compatibility, as FP versions use fast-on pins while WP versions use wire leads. Cross-reference thermal resistance and forward voltage characteristics to ensure circuit performance remains unchanged.