CDBA5818

SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw C DBA5817 Thru CDBA5819 R everse Voltage: 20 - 40 Volts Forward Current: 1.0 Amp F eatures DO-214AC (SMA) I deal for surface mount applications Easy pick and place Plastic package has Underwriters Lab. flammability classification 94V-0 Built-in strain relief Low forward voltage drop 0.067(1.70) 0.051(1.29) 0.180(4.57) 0.160(4.06) 0.110(2.79) 0.086(2.18) Mechanical data 0.090(2.29) 0.067(1.70) 0.012(0.31) 0.006(0.15) C ase: JEDEC DO-214AC molded plastic Terminals: solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting position: Any Approx. weight:0.064 gram 0.059(1.50) 0.035(0.89) 0.209(5.31) 0.185(4.70) 0.008(0.20) 0.004(0.10) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characterics P arameter Max. Repetitive Peak Reverse Voltage Max. DC Blocking Voltage Max. RMS Voltage Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load ( JEDEC method ) Max. Average Forward Current Max. Instantaneous Forward Current at 1.0 A Max. DC Reverse Current at Rated DC Blocking Voltage Ta=25 C Ta=100 C Max. Thermal Resistance (Note 1) R R Operating Junction Temperature Storage Temperature Tj T STG JA JL Symbol V RRM V DC V RMS I FSM CDBA5817 CDBA5818 CDBA5819 U nit V V V A 20 20 14 30 30 21 40 40 28 35 Io VF IR 0.45 1.0 0.55 0.60 A V . mA 0 .5 10 88 C/W 20 -50 to +125 -65 to +150 C 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 M DS0308003A Page 1 SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CDBA5817Thru CDBA5819) Fig. 1 - Reverse Characteristics 100 100 CDBA5817 F ig.2 - Forward Characteristics R everse Current ( mA ) 10 Forward Current ( A ) 10 CDBA5818-5819 1 1 Tj=75 C 0.1 0.1 Tj=25 C 0.01 0.01 Tj=25 C Pulse width 300uS 4% duty cycle 0 20 40 60 80 100 120 140 160 180 200 0 .1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 Forward Voltage (V) 1.9 2.1 Percent of Rated Peak Reverse Voltage (%) Fig. 3 - Junction Capacitance 3 50 300 J unction Capacitance (pF) = 1MHz and applied 4VDC reverse voltage Fig. 4 - Current Derating Curve 250 200 150 100 50 0 0.01 0.1 1.0 10 100 Average Forward Current ( A ) 1.2 1.0 0.8 0.6 0.4 0.2 0 20 40 60 80 100 120 140 160 Reverse Voltage (V) Ambient Temperature ( C) CD BA 58 18 -5 81 9 Fig. 5 - Non repetitive forward surge current Peak surge Forward Current ( A ) 50 40 30 8.3mS Single Half Sine Wave JEDEC methode Tj=25 C 20 10 0 1 5 10 50 1 00 N umber of Cycles at 60Hz M DS0308003A Page 2