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