SMD Schottky Barrier Rectifiers SMD Diodes Specialist CDBA5817-G Thru CDBA5819-G Reverse Voltage: 20 - 40 Volts Forward Current: 1A or 3 A RoHS Device Features SMA/DO-214AC Ideal for surface mount applications. Easy pick and place. Plastic package has Underwriters Lab, flamability classification94V-0. 0.110(2.79) 0.086(2.18) 0.067(1.70) 0.051(1.29) Built-in strain relief. 0.180(4.57) 0.160(4.06) Low forward voltage drop. 0.012(0.31) 0.006(0.15) Mechanical data 0.091(2.31) 0.067(1.70) Case: JEDEC DO-214AC, molded plastic. Terminals: Solderable per MIL-STD-750, method 2026. 0.008(0.20) 0.004(0.10) 0.059(1.50) 0.035(0.89) 0.209(5.31) 0.185(4.70) Polarity: Color band denotes cathode end. Weight: 0.064 gram(approx.). Dimensions in inches and (millimeter) Maximum Ratings (at T A =25 C unless otherwise noted) O Symbol CDBA5817-G Parameter Max. Repetitive Peak Reverse Voltage CDBA5818-G CDBA5819-G Unit V RRM 20 30 40 V V DC 20 30 40 V Max. RMS Voltage V RMS 14 21 28 V Peak Surge Forward Current 8.3ms single half sine-wave suprimposed on rate load (JEDEC method) I FSM 25 A IO 1 A Max. DC Bolcking Voltage Max. Average Forward Current Max. The rmal Res ist an ce R St or ag e Temper at ur e T STG Max. Oper at ing Ju nc tion Temper at ur e O 20 JL C/ W O +1 25 Tj C O -65 to +1 50 C Electrical Characteristics (at T A =25 C unless otherwise noted) O Symbol CDBA5817-G Parameter Max. Forward Voltage at 1.0 A at 3.0 A VF 0.45 0.75 CDBA5818-G CDBA5819-G Unit 0.550 0.775 0.60 0.90 V Max. DC Reverse Current at Rated DC Blocking Voltage Ta = 25 C Ta = 100 C IR 0.5 20 mA Typical Junction Capacitance Cj 65 pF O O REV:A QW-BB013 Page 1 SMD Schottky Barrier Rectifiers SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CDBA5817-G Thru CDBA5819-G) Fig. 2 - Reverse characteristics Fig. 1 - Forward characteristics 1000 10 Reverse current (mA) =2 5 O C 1.0 Tj Forward current (A) O 0.1 Tj=125 C 100 10 O Tj =25 C 1 Pulse width 300us 1% duty cycle 0.01 0.1 0 0.2 0.4 0.6 0.8 1.0 0 10 30 20 40 50 Forward voltage (V) Percent of rated peak reverse voltage (%) Fig.3 - Capacitance between terminals characteristics Fig.4 - Current derating curve 1000 f=1MHz Tj=25 C 100 Average forward current(A) Junction capacitance( P F) O 1.2 1.0 0.8 0.6 0.4 0.2 0 10 0.1 10 1 100 0 25 50 75 100 125 150 O Reverse voltage (V) Lead temperature ( C) Fig.5 - Non repetitive peak forward surge current Peak surge forward current(A) 35 8.3 ms single half sine wave JEDEC mehode 30 25 20 15 O Tj =25 C 10 5 0 1 10 100 Number of cycles at 60 Hz REV:A QW-BB013 Page 2