BZT52C39.

Diode Zener Absolute Maximum Ratings: Description Symbol Value Unit Forward Voltage Drop at IF 10mA VF 0.9 V Power Dissipation at 25°C *PD 410 mW Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load **IFSM 2 A Operating Junction and Storage Temperature Range Tj -55 to +150 °C * Mounted on 5mm2 ( 0.13mm thick) land areas ** Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum Package SOD - 123 FL Dimension Minimum Maximum A 1.55 1.65 B 0.5 0.6 C 3.7 3.9 D 2.6 2.7 E 1.05 1.15 F 0.127 0.135 Dimensions : Millimetres www.element14.com www.farnell.com www.newark.com Page 26/08/14 V1.0 Diode Zener Electrical Characteristics (Ta=25°C unless specified otherwise) VF at 10mA