1N4148WS-HF

SMD Switching Diode 1N4148WS-HF RoHS Device Halogen Free Features SOD-323 - Fast switching device (Trr < 4.0nS). 0.071(1.80) 0.063(1.60) - Power dissipation of 200mW. - High stability and high reliability. 0.055(1.40) 0.047(1.20) 0.014(0.35) 0.010(0.25) - Low reverse leakage. 0.106(2.70) 0.098(2.50) Mechanical data 0.006(0.15) 0.003(0.08) 0.035(0.90) 0.031(0.80) - Case: SOD-323, molded plastic. - Polarity: Color band denotes cathode end. 0.004(0.10) 0.000(0.00) - Mounting position: Any. 0.019(0.475) REF 0.016(0.40) 0.010(0.25) Dimensions in inches and (millimeter) Circuit Diagram Maximum Rating (at Ta=25°C unless otherwise noted) Symbol Value Unit Reverse voltage VR 75 V Peak reverse voltage VRM 100 V Power dissipation PD 200 mW Average rectified current Io 150 mA Non-repetitive peak forward current IFM 300 mA Peak forward surge current @tp=1µs, TA=25°C IFSM 2 A Thermal resistance from junction to ambient RθJA 625 °C/W Working inverse voltage WIV 75 V Tj 125 °C TSTG -55 to +150 °C Parameter Operating junction temperature Storage temperature range Note: Valid provided that electrodes are kept at ambient temperature. Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 1 QW-J0018 Comchip Technology CO., LTD. SMD Switching Diode Electrical Characteristics (at Ta=25°C unless otherwise noted) Parameter Conditions IR = 100µA IR = 5µA Breakdown voltage Symbol Min BV 100 75 Typ Max Unit V VR = 20V 25 nA VR = 75V 1 µA IF = 1.0mA IF = 10mA 0.715 Reverse leakage current IR Forward voltage 0.855 VF IF = 50mA 1.00 IF = 150mA V 1.25 Capacitance VR = 0V, f = 1 MHz CT 2 pF Reverse recovery time IF = IR = 10mA, RL = 100Ω Irr = 0.1 x IR TRR 4 nS Rating and Characteristic Curves (1N4148WS-HF) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 1000 200 100 Reverse Current, IR (nA) Ta= 2 1 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 Ta=25°C 10 0 20 40 60 80 Forward Voltage, VF (V) Reverse Voltage, VR (V) Fig.3 - Capacitance Characteristics Fig.4 - Power Derating Curve 1.2 300 Ta = 25°C f = 1MHz 1.0 0.8 100 1 1.2 Power Dissipation, PD (mW) Capacitance Between Terminals, CT (pF) 5°C 00° C 10 Ta= 1 Forward Current, IF (mA) Ta=100°C 0 5 10 15 20 250 200 150 100 50 0 0 Reverse Voltage, VR (V) 25 50 75 100 125 150 Ambient Temperature, Ta (°C) Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 2 QW-J0018 Comchip Technology CO., LTD. SMD Switching Diode Reel Taping Specification P0 P1 d E F C W B P A 12 o 0 D2 D1 D W1 Leader Tape Trailer Tape Components 50±2 Empty Pockets SOD-323 SYMBOL A B C d D D1 D2 (mm) 1.46 ± 0.05 2.90 ± 0.05 1.25 ± 0.05 1.50 + 0.10 178.00 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) SYMBOL SOD-323 100±2 Empty Pockets (mm) (inch) 0.057 ± 0.002 0.114 ± 0.002 0.049 ± 0.002 0.059 + 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 E 1.75 ± 0.10 F 3.50 ± 0.10 P 4.00 ± 0.10 P0 4.00 ± 0.10 P1 W W1 2.00 ± 0.10 8.00 + 0.30 − 0.10 12.30 ± 1.00 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 0.484 ± 0.039 − 0.004 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 3 QW-J0018 Comchip Technology CO., LTD. SMD Switching Diode Marking Code Part Number Marking Code 1N4148WS-HF T4 T4 = Cathode band Suggested PAD Layout A SOD-323 SIZE (mm) (inch) A 2.15 0.085 B 0.70 0.028 C 0.70 0.028 C B Note: 1. The pad layout is for reference purposes only. Standard Packaging REEL PACK Case Type SOD-323 REEL Reel Size (pcs) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-J0018 Comchip Technology CO., LTD.