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| SMD Schottky Barrier Diodes COMCHIP www.comchip.com.tw CDBW0520 - CDBW0540 Voltage: 20- 40 Volts Current: 0.5 Amp Feature Low turn-on voltage Fast switching .028(0.70) .019(0.50) SOD-123 .154 (3.90) .141 (3.60) .071(1.80) .053(1.35) PN junction guard ring for transient and ESD protection .110 (2.80) .098 (2.50) Mechanical data Case: SOD-123, molded plastic Terminals: solderable per MIL-STD-750, method 2026 Polarity: Indicated by cathode band Mounting position: Any Dimensions in inches and (millimeters) .008(0.20) Max. .037(0.95) .005 (.12) MAX. .016 (.40)Min. Weight:0.008 grams Maximum Ratings and Electrical Characterics Parameter Max.RepetitivePeak Reverse Voltage Max. DC Blocking Voltage Max. RMS Voltage Peak Surge Forward Current 8.3ms single half sine-wave Sine-wave superimposed on Rate load ( JEDEC ) Max. AverageForward Current Max. Forward Current at 0.1 A 0.5 A Max. Reverse Current Symbol VRRM VDC VRMS IFSM CDBW0520 20 14 20 CDBW0530 30 21 30 5.5 CDBW0540 40 28 40 .055(1.40) Unit V V V A Io VF IR 0.3 0.385 0.075 @ VR=10V 0.25 @ VR=20V 0.5 0.375 0.430 0.02 @ VR=15V 0.13 @ VR=30V 206 150 -55 to +125 A V 0.51 0.01@ VR=20V 0.02 @ VR=40V C/W mA Max. Thermal Resistance R R JA JL Operating junction temperature Storage temperature Tj TSTG C -55 to +125 C Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas MDS0208001B Page 1 SMD Schottky Barrier Diodes COMCHIP www.comchip.com.tw RATING AND CHARACTERISTIC CURVES (CDBW0520-0540) Fig. 1 - Reverse Characteristics 100 Fig. 2 - Reverse Characteristics Reverse Current ( uA ) 10 Tj=25 C Reverse Current ( uA ) 10000 1 1000 Tj=100 C 0.1 Tj=75 C 0.01 1000 0 5 10 15 20 25 0 5 10 15 20 25 Reverse Voltage (V) Reverse Voltage (V) Fig. 3 - Forward Characteristics 10 0.6 Fig. 4 - Current Derating Curve Mounting on glass epoxy PCBs 1 Tj=100 C Average Forward Current ( A ) 0.5 0.5 Forward Current ( A ) 0.4 0.3 0.1 Tj=25 C 0.2 0.1 0.01 0.1 0.2 0.3 0.4 0 25 50 75 100 125 150 Forward Voltage (V) Ambient Temperature ( C) Fig. 3 - Capacitance Between Terminals characteristics 200 Capacitance Between Terminals (pF) 150 100 50 0 5 10 15 20 25 Reverse Voltage (V) MDS0208001B Page 2 |
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