Automotive-grade Zener TVS for 48V-rail transient suppression
The 1.5KE56AHE3_A/C: Its 47.8V reverse standoff voltage and 53.2V minimum breakdown voltage place it on a nominal 48V DC rail — the protection threshold triggers before the downstream silicon sees damaging overvoltage. The Zener breakdown mechanism delivers a fast, well-defined clamping voltage with no snap-back — critical for protecting ECUs, sensors, and actuators on automotive power distribution buses.
Package and thermal integration for through-hole assembly
Housed in a DO-201AA (DO-27) axial-lead package, the 1.5KE56AHE3_A/C mounts through-hole on the PCB. The leaded format allows the body to sit above the board, improving convective cooling and simplifying visual inspection of the solder joint — a preference in automotive and industrial power stages where rework access matters. The operating junction temperature range spans -55°C to 175°C, covering the full automotive temperature envelope including under-hood soak-back. The 1500W peak pulse rating assumes the device starts at 25°C; derating is required at elevated ambient temperatures per the datasheet curve.
Active lifecycle and sourcing posture
The AEC-Q101 qualification documentation and RoHS/REACH compliance declarations accompany each shipment.