Clamp voltage and pulse handling
The 1.5KE220CAH: The 328V maximum clamping voltage at 4.8A peak pulse current defines the voltage the protected circuitry sees during a transient — downstream components must have a breakdown rating above this clamp level to survive a strike.
Through-hole package and board integration
Housed in a DO-201AA (DO-27) axial-lead package, the 1.5KE220CAH mounts through-hole with a 0.052-inch lead diameter — the lead bend radius and hole size in the PCB must accommodate the axial body length for proper solder fillet formation.