1500W surge clamp in a DO-201AA axial
The 1.5KE13A-E3/54: The 1.5KE13A-/54 is a 1500W (1.5kW) peak pulse power Zener TVS diode from Vishay's TransZorb series, packaged in a DO-201AA (DO-27) axial through-hole body.
Breakdown, clamping, and pulse current
Breakdown voltage starts at 12.4V minimum, so the device begins conducting just above the 11.1V standoff level, clamping the surge at 18.2V maximum. The single unidirectional channel means it protects one polarity rail; for AC or bidirectional lines you would pair two devices or use a bidirectional variant.
Active production, sourced to order
The TransZorb series is a mature, widely stocked line, so availability through independent distribution is consistent.