SMD Switching Diode CDSW4148-HF Reverse Voltage: 100 V Forward Current: 150mA RoHS Device Halogen Free Features SOD-123 - Fast switching speed 0.152(3.85) 0.140(3.55) - High speed - High conductance - Surface mount package ideally suited for 0.026(0.65) 0.067(1.70) 0.018(0.45) 0.059(1.50) automatic insertion - + - For general purpose switching applications 0.110(2.80) 0.102(2.60) - Flat Package SOD-123 in Stead mini-MELF package Mechanical data 0.049(1.25) 0.006(0.15) 0.041(1.05) - Case: SOD-123, Molded Plastic 0.003(0.08) 0.004(0.10) Max. - Terminals: Solderable per MIL-STD-750, method 2026. 0.020(0.50) REF - Weight: 0.0097 grams(approx.). Dimensions in inches and (millimeter) Circuit diagram Maximum Rating (at Ta=25C unless otherwise noted) Symbol Parameter Value Unit Peak repetitive peak reverse voltage VRRM Working peak reverse voltage VRWM 100 V DC blocking voltage VR RMS reverse voltage VR(RMS) 71 V Average rectified output current Io 150 mA Non-Repetitive peak forward surge current t=1s IFSM 2 A Power dissipation PD 350 mW Thermal resistance from junction to ambient R JA 250 C/W Junction temperature range Tj -40~+150 C Storage temperature range TSTG -55~+150 C Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-J0003 Page 1 Comchip Technology CO., LTD.SMD Switching Diode Electrical Characteristics (at Ta=25C unless otherwise noted) Symbol Typ Parameter Conditions Min Max Unit IF = 1 mA VF1 0.715 V IF = 10mA 0.855 VF2 V Forward voltage IF = 50mA VF3 1.0 V IF =150mA VF4 1.25 V VR = 20 V IR1 25 nA Reverse current A VR = 75 V IR2 1 Capacitance between terminals f = 1 MHZ and VR=0V CJ 2 PF IF = IR = 10 mA, RL =100 , Reverse recovery time TRR 4 nS Irr = 0.1 X IR Typical Characteristics (CDSW4148-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 10000 300 100 Ta=100C 1000 10 100 1 Ta=25C 10 0.1 0.01 1 0 0.4 0.8 1.2 1.6 0 20 40 60 80 100 Forward Voltage, VF (V) Reverse Voltage, (V) Fig.3 - Capacitance Characteristics Fig.4 - Power Derating Curve 1.6 400 TA = 25C f = 1MHZ 1.4 300 1.2 200 1.0 100 0.8 0 0.6 0 4 8 12 16 20 0 25 50 75 100 125 150 Reverse Voltage, (V) Ambient Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-J0003 Page 2 Comchip Technology CO., LTD. Ta=100C Ta=25C Capacitance Between Terminals, ( p F) Forward Current, IF (mA) Power Dissipation, (mW) Reverse Current, (nA)