KBL04-E4/51 — 4 A, 400 V single-phase bridge in the KBL through-hole package
The Vishay KBL04-/51 is a single-phase bridge rectifier rated for 400 V peak reverse voltage and 4 A average rectified output current (Io). Housed in the KBL 4-SIP through-hole package (supplier device package KBL), it is suited for board-level power conversion where a compact, single-inline footprint is needed.
Forward drop and leakage — the thermal budget drivers
Reverse leakage is specified at 5 µA at the 400 V peak reverse voltage — low enough that self-heating from leakage is negligible across the operating temperature range.