CDBW0520

SMD Schottky Barrier Diodes COMCHIP www.comchip.com.tw C DBW0520 - CDBW0540 V oltage: 20- 40 Volts Current: 0.5 Amp F eature L ow 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 C ase: 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 M aximum Ratings and Electrical Characterics P arameter 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 V RRM V DC V RMS I FSM C DBW0520 20 14 20 C DBW0530 30 21 30 5.5 C DBW0540 40 28 40 . 055(1.40) U nit 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 T STG 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 R everse Current ( uA ) 10 Tj=25 C Reverse Current ( uA ) 1 0000 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) F ig. 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 C apacitance Between Terminals (pF) 150 100 50 0 5 10 15 20 25 Reverse Voltage (V) MDS0208001B Page 2