CD4148WT Crownpo Technology Small-Signal Chip Diode 0603 .071 (1.65) .059 (1.45) Features * This diode is also available in other case styles including the 1206 case with the type designation CD4148W, the 0805 case with the type designation CD4148WS * Silicon Epitaxial Planar Diode * Fast switching diode. .039 (0.9) .027 (0.7) Mechanical Data .034 (.75) .026 (.55) .018 (.45) .010 (.25) Case: 0603 Weight: approx. 4 mg Marking: Cathode arrow Dimensions in inches and (millimeters) Mounting Pad Layout .020(.508) Typ. .034(0.86) Typ. .039 (0.99) Typ. Absolute Maximum Ratings & Thermal Characteristics Tamb = 25 -C, unless otherwise specified Symbol Value Unit VR 75 V Peak reverse voltage VRM 100 V Average rectified current half wave rectification with resistive load f M 50 Hz IF(AV) Surge current Parameter Reverse voltage t < 1 s and Tj = 25 -C 150 1) mA IFSM 350 mA Power dissipation Ptot 2001) mW Thermal resistance junction to ambient air -C/ W -C -C RJA 6501) Junction temperature Tj 150 Storage temperature TS - 65 to + 175 1) Valid provided that electrodes are kept at ambient temperature. 01-Dec-03 Document No. 32002 www.crownpo.com CD4148WT Crownpo Technology Electrical Characteristics Tamb = 25 -C, unless otherwise specified Symbol Parameter Forward voltage IF = 10 mA Min VF VR = 75 V V 25 nA 5.0 eA 50 eA C tot 4 pF Vfr 2.5 ns trr 4 ns IR VR = 20 V, TJ = 150 -C Capacitance VF = VR = 0 V Voltage rise when switching ON tested with 50 mA pulses, tp = 0.1 es, rise time < 30 ns, fp = (5 to 100) kHz Reverse recovery time IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100 q Rectification efficiency f = 100 MHz, VRF = 2 V Unit 1.0 VR = 20 V Leakage current Max 0.45 Rectification Efficiency Measurement Circuit Typical Characteristics (Tamb = 25 C unless otherwise specified) Figure 1. Forward Characteristics 01-Dec-03 Document No. 32002 Figure 2. Dynamic Forward Resistance vs. Forward Current www.crownpo.com CD4148WT Crownpo Technology Figure 3. Admissible Power Dissipation vs. Ambient Temperature Figure 4. Relative Capacitance vs. Reverse Voltage Figure 5. Leakage Current vs. Junction Temperature Figure 6. Admissible Repetitive Peak Forward Current vs. Pulse Duration 01-Dec-03 Document No. 32002 www.crownpo.com