SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw CDBA5817 Thru CDBA5819 Reverse Voltage: 20 - 40 Volts Forward Current: 1.0 Amp Features DO-214AC (SMA) Ideal 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) 0.110(2.79) 0.086(2.18) 0.180(4.57) 0.160(4.06) 0.012(0.31) 0.006(0.15) Mechanical data 0.090(2.29) 0.067(1.70) Case: 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) 0.008(0.20) 0.004(0.10) 0.209(5.31) 0.185(4.70) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characterics Parameter Symbol CDBA5817 Max. Repetitive Peak Reverse Voltage V RRM 20 30 40 V 40 V 28 V CDBA5818 Max. DC Blocking Voltage V DC 20 30 Max. RMS Voltage V RMS 14 21 Peak Surge Forward Current 8.3ms single half sine-wave superimposed on rate load ( JEDEC method ) CDBA5819 Unit I FSM 35 A Max. Average Forward Current Io 1.0 A Max. Instantaneous Forward Current at 1.0 A VF Max. DC Reverse Current at Rated DC Blocking Voltage Ta=25 C IR 0.55 0.60 0.5 V . mA 10 Ta=100 C Max. Thermal Resistance (Note 1) 0.45 R JA 88 R JL 20 C/W Operating Junction Temperature Tj -50 to +125 C Storage Temperature T STG -65 to +150 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 MDS0308003A Page 1 SMD Schottky Barrier Rectifier COMCHIP www.comchip.com.tw Rating and Characteristic Curves (CDBA5817Thru CDBA5819) Fig.2 - Forward Characteristics Fig. 1 - Reverse Characteristics 100 100 Forward Current ( A ) Reverse Current ( mA ) CDBA5817 10 1 Tj=75 C 10 CDBA5818-5819 1 0.1 0.1 Tj=25 C Pulse width 300uS 4% duty cycle Tj=25 C 0.01 0.01 0 20 40 60 80 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 100 120 140 160 180 200 1.9 2.1 Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig. 3 - Junction Capacitance Fig. 4 - Current Derating Curve 350 =1MHz and applied 4VDC reverse voltage 200 81 0.4 9 0 -5 50 0.6 18 100 0.8 58 150 1.0 BA Average Forward Current ( A ) 250 1.2 CD Junction Capacitance (pF) 300 0.2 0 0.01 0.1 1.0 10 100 20 40 60 80 100 120 140 160 Ambient Temperature ( C) Reverse Voltage (V) Peak surge Forward Current ( A ) Fig. 5 - Non repetitive forward surge current 50 8.3mS Single Half Sine Wave JEDEC methode 40 30 Tj=25 C 20 10 0 1 5 10 50 1 00 Number of Cycles at 60Hz MDS0308003A Page 2