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 automatic insertion - For general purpose switching applications 0.026(0.65) 0.018(0.45) 0.067(1.70) 0.059(1.50) - + 0.110(2.80) 0.102(2.60) - Flat Package SOD-123 in Stead mini-MELF package Mechanical data 0.049(1.25) 0.041(1.05) - Case: SOD-123, Molded Plastic - Terminals: Solderable per MIL-STD-750, method 2026. 0.006(0.15) 0.003(0.08) 0.004(0.10) Max. 0.020(0.50) REF - Weight: 0.0097 grams(approx.). Dimensions in inches and (millimeter) Circuit diagram Maximum Rating (at Ta=25°C unless otherwise noted) Symbol Value Unit VRRM VRWM VR 100 V VR(RMS) 71 V Io 150 mA IFSM 2 A PD 350 mW RθJA 250 °C/W Junction temperature range Tj -40~+150 °C Storage temperature range TSTG -55~+150 °C Parameter Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage RMS reverse voltage Average rectified output current Non-Repetitive peak forward surge current @t=1µs Power dissipation Thermal resistance from junction to ambient 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=25°C unless otherwise noted) Parameter Symbol Conditions Typ Min Max Unit IF = 1 mA VF1 0.715 V IF = 10mA VF2 0.855 V IF = 50mA VF3 1.0 V IF =150mA VF4 1.25 V VR = 20 V IR1 25 nA VR = 75 V IR2 1 µA Capacitance between terminals f = 1 MHZ and VR=0V CJ 2 PF Reverse recovery time IF = IR = 10 mA, RL =100 Ω, Irr = 0.1 X IR TRR 4 nS Forward voltage Reverse current Typical Characteristics (CDSW4148-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 10000 300 100 Reverse Current, (nA) Ta= 2 1 5°C 00° C 10 Ta= 1 Forward Current, IF (mA) Ta=100°C 0.1 0.01 100 Ta=25°C 10 1 0 0.4 0.8 1.2 1.6 0 20 40 60 80 Forward Voltage, VF (V) Reverse Voltage, (V) Fig.3 - Capacitance Characteristics Fig.4 - Power Derating Curve 1.6 100 400 TA = 25°C f = 1MHZ 1.4 Power Dissipation, (mW) Capacitance Between Terminals, ( pF) 1000 1.2 1.0 300 200 100 0.8 0 0.6 0 4 8 12 16 20 0 Reverse Voltage, (V) 25 50 75 100 125 150 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. SMD Switching Diode Reel Taping Specification XX C 12 o 0 D2 D1 D W1 SOD-123 SYMBOL A B C d D D1 D2 (mm) 1.85 ± 0.05 3.94 ± 0.05 1.57 ± 0.05 1.55 ± 0.10 178.00 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.073 ± 0.002 0.155 ± 0.002 0.062 ± 0.002 0.061 ± 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 / - 0.10 12.30 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 SYMBOL SOD-123 0.079 ± 0.004 0.315 + 0.012 / - 0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-J0003 Page 3 Comchip Technology CO., LTD. SMD Switching Diode Marking Code Part Number Marking Code CDSW4148-HF T4 XX Halogen Free parts Cathod Band XX = Product type marking code Suggested PAD Layout SOD-123 SIZE D (mm) (inch) A 3.24 0.128 B 0.80 0.031 C 1.00 0.039 D 4.04 0.159 E 2.44 0.096 A E C B Standard Packaging REEL PACK Case Type SOD-123 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-J0003 Page 4 Comchip Technology CO., LTD.