Device identity and clamping envelope
The 1.5KE170CA: Its 145V reverse standoff voltage means the protected rail can run at 145V DC without the diode conducting in standby; clamping begins at 162V breakdown and hard-limits transients to 234V maximum at 6.5A peak pulse current.
Board-fit and thermal envelope
Housed in a DO-201AA axial-lead package (DO-201 supplier device code), the part mounts through-hole with leads formed for vertical or horizontal insertion.
