SDZ4V3 Semiconductor Zener Diode Features * Compact type * Radiation size 1.3mm x 2.4mm * Surface mount lead configuration Ordering Information Type NO. SDZ4V3 Marking Package Code W9 SOT-23 Outline Dimensions unit : mm 2.40.1 1.300.1 3 2.90.1 1.90 Typ. 1 0.4 Typ. 2 3 0.45~0.60 -0.03 +0.05 0.124 0~0.1 0.38 1.12 Max. 0.2 Min. KSD-2006-000 1 2 PIN Connections 1. Anode 2. NC 3. Cathode 1 SDZ4V3 Absolute maximum ratings (Ta=25C) Characteristic Symbol Ratings Unit Power dissipation PD 200 mW Junction temperature Tj 150 C Storage temperature Tstg -55~150 C Electrical Characteristics Characteristic (Ta=25C) Symbol Test Condition Min. Typ. Max. Unit Zener voltage VZ IZ=5mA 4.11 - 4.49 V Dynamic impedance ZZT IZ=5mA - - 88 KNEE dynamic impedance ZZK IZ=0.25mA - - 2500 VR=1V - - 5 A Reverse current IR KSD-2006-000 2 SDZ4V3 Electrical Characteristic Curves Fig. 1 PD-Ta Fig. 2 IZ-VZ KSD-2006-000 3