Need to operate a diode in the reverse-breakdown region? No worries, use a voltage regulator BZX55C9V1-TAP zener diode from Vishay. Its maximum leakage current is 0.1 μA. Its maximum power dissipation is 500 mW. Its test current is 5 mA. It is made in a single configuration. This zener diode has a minimum operating temperature of -65 °C and a maximum of 175 °C. This zener device has a nominal voltage of 9.1 V and a voltage tolerance of 6%.