Clamp voltage and peak pulse current define the protection window
The 1.5KE6.8AHA0G: The 150 A peak pulse rating at 10/1000 µs is the nominal test condition — real-world surge duration and waveform shape will shift the clamping voltage. For a shorter pulse (8/20 µs), the peak current capability is higher; for longer transients, derate per the power dissipation curve in the datasheet. At 175°C, expect leakage to be several times the 25°C value — factor this into the quiescent budget of the protected circuit.
Automotive-grade qualification for under-hood and chassis-mount
The -55°C to 175°C range covers the engine-bay and transmission-ambient temperature envelope, with margin above the 150°C typical under-hood limit. The DO-201AA axial package (also known as DO-27) is a through-hole form factor. It handles the 1.5 kW peak pulse without the thermal limitations of smaller surface-mount packages, but the leads require manual or wave-solder assembly — not reflow. Power line protection is marked as 'No', so this is a unidirectional TVS intended for DC rail clamping, not for bidirectional AC line protection. The single unidirectional channel clamps positive transients above the breakdown voltage; reverse polarity is handled by the forward diode characteristic.
Active production — sourced per RFQ
The Tape & Box (TB) packaging is the standard bulk format for axial-lead diodes — suitable for hand-loading or tube-fed assembly. For high-volume pick-and-place, the same die is also available in a tape-and-reel variant under a different order code.