1500 W peak pulse — what the rating means for the rail
The 1.5KE10CA-HF: The 8.6 V reverse standoff voltage means the diode stays transparent on a nominal 8 V or lower DC bus; only a transient exceeding the 9.5 V minimum breakdown threshold triggers conduction. The Zener-type construction gives a sharp breakdown knee — the clamping voltage sits close to the breakdown point, so the protected rail sees less overvoltage stress compared to a snap-back or crowbar device.
Bidirectional single-channel — fits AC or polarity-agnostic lines
A single bidirectional channel protects both polarities of a signal or power pair with one device — useful on AC-coupled data lines, floating supplies, or any circuit where the transient can swing positive or negative relative to ground. The DO-201AA / DO-27 axial-lead through-hole package (supplier device package DO-201) suits point-to-point wiring on terminal strips, breadboard prototypes, or retrofit into existing leaded PCB layouts where a surface-mount TVS would require a board spin.
Temperature range and general-purpose deployment
Operates from -55°C to 150°C junction temperature, covering the full industrial and automotive under-hood ambient envelope without derating concerns at the extremes. Marked as General Purpose in application scope — no power-line protection rating (the device does not carry a specific power-line certification), so it is best suited for signal-line, DC bus, and low-voltage secondary-side transient suppression where the 1500 W pulse capacity aligns with the expected surge profile.