14.15 V Zener with AEC-Q101 pedigree
The PTZTFTE2513B is a 1 W Zener diode from Nexperia's Automotive AEC-Q101 series, with a nominal Zener voltage of 14.15 V and ±6.01% tolerance. The AEC-Q101 qualification makes it suitable for under-hood automotive electronics, industrial power supplies, and any application where reliability screening beyond commercial-grade parts is required.
Reverse leakage and impedance — what matters for regulation
Reverse leakage is specified at 10 µA maximum when tested at 10 V reverse voltage — well below the Zener knee, so it won't steal bias current in a shunt regulator or clamp circuit. The 10 Ohm maximum Zener impedance (Zzt) means the regulation voltage shifts less than 100 mV for a 10 mA change in operating current, which is tight enough for most 14 V rail protection or reference applications.