Active production — no lifecycle risk for new BOMs
The 1.5KE350CA/B: As a bidirectional Zener TVS diode in the 1.5KE series, it clamps voltage transients on both polarities — useful for AC lines or bipolar DC rails where a single unidirectional part would need an external bridge.
Surge rating and protection window
The reverse standoff voltage of 300 V means the diode stays in high-impedance mode below that threshold, with breakdown guaranteed between 332 V and the clamping limit — this window defines the protection envelope for a 300 V nominal rail.
Through-hole DO-201 package — standard axial footprint
Housed in a DO-201AA (DO-27) axial-lead package, the 1.5KE350CA/B is a through-hole part that solders into 1.1 mm diameter plated-through holes on a standard 0.100-inch pitch layout.