Surface Mount Switching Diodes COMCHIP www.comchip.com.tw CDSW4148, CDSW4448 Voltage: 100 Volts Power: 410 - 500 mW SO D -123 FEATURES . 071(1.80) .098 (2.50) . 055(1.40) .110 (2.80) . 053(1.35) * High Conductance . 019(0.50) . 028(0.70) * Electrically Identical to Standard JEDEC . 037(0.95) .154 (3.90) .141 (3.60) * Fast switching Speed * Surface Mount Package Ideally Suited for Automatic Insertion * Flat package SOD-123 in stead mini-MELF package. . 008(0.20) Max. MECHANICAL DATA Case: SOD-123, Plastic Terminals: Solderable per MIL-STD-202, Method 208 Approx. Weight:0.01 gram .005 (.12) MAX. .016 (.40)Min. D ime ns ions in inc he s a nd ( millime te rs ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS PARAMETER PARAMETER SYMBOL CDSW4148 CDSW4448 UNITS VR 75 75 V Peak Reverse Voltage VRM 100 100 V Maximum RMS Voltage VRMS 50 50 V Maximum DC Blocking Voltage VDC 75 75 V IAV 150 150 mA Peak Forward Surge Current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 2.0 4.0 A Power Dissipation Derate Above 25OC PTOT 410 500 mW VF 1.0 - 1.0 0.72 V IR 2.5 2.5 A Typical Junction Capacitance( Notes1) CJ 4.0 4.0 pF Maximum Reverse Recovery (Notes2) TRR 4.0 4.0 ns RJA 450 450 Reverse Voltage Maximum Average Forward Current at Ta=25OC Maximum Forward Voltage Maximum DC Reverse Current at Rated DC Blocking Voltage TJ= 25OC Maximum Thermal Resistance Storage Temperature Range @I F=10 mA @I F=5 mA TJ -55 TO +125 O C/W O C NOTE: 1. CJ at VR=0, f=1MHZ 2.From IF=10mA to IR=1mA, VR=6Volts, RL=100 M D S 0208003A P a ge 1 Surface Mount Switching Diodes COMCHIP www.comchip.com.tw RATING AND CHARACTERISTIC CURVES (CDSW4148, CDSW4448) 10 TA=150OC REVERSE CURRENT, mA FORWARD CURRENT, mA 100 10 1.0 TA=125OC 1.0 TA=85OC 0.1 O TA=55 C 0.01 TA=25OC 0.001 0.1 0.2 0.6 0.4 0.8 1.0 1.2 0 10 20 30 40 50 REVERSE VOLTAGE, Volts FORWARD VOLTAGE, Volts LEAKAGE CURRENT FORWARD VOLTAGE DIODE CAPACITANCE, pF 6.0 4.5 60 W 3.5 VRF=2V 2nF 5k W Vo 1.5 0 0 2 4 6 8 RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT REVERSE VOLTAGE, Volts TYPICAL CAPATICANCE MDS0208003A Page 2