SMD Schottky Barrier Rectifiers CDBA5819-HF Reverse Voltage: 40 Volts Forward Current: 1A RoHS Device Halogen Free DO-214AC (SMA) Features - Ideal for surface mount applications. - Easy pick and place. 0.185(4.70) 0.163(4.15) - Plastic package has Underwriters Lab. flammability classification 94V-0. 0.110(2.80) 0.065(1.65) 0.049(1.25) 0.094(2.40) - Built-in strain relief. - Low forward voltage drop. Mechanical data 0.208(5.28) 0.185(4.70) - Case: JEDEC DO-214AC, molded plastic. 0.093(2.35) - Terminals: Solderable per MIL-STD-750, 0.075(1.90) method 2026. 0.060(1.52) 0.010(0.25) - Polarity: Color band denotes cathode end. 0.030(0.76) 0.006(0.15) - Weight: 0.064 grams(Approx.). Dimensions in inches and (millimeter) Circuit diagram Maximum Ratings (at TA=25C unless otherwise noted) Symbol Parameter Unit Value Maximum repetitive peak reverse voltage VRRM 40 V Maximum DC bolcking voltage VDC 40 V Maximum RMS voltage VRMS 28 V Peak surge forward current 8.3ms single half sine-wave IFSM 20 A superimposed on rate load (JEDEC method) Maximum Average forward current IO 1 A Thermal resistance from junction to ambience R JA 55 C/W Operating junction temperature range Tj -55 to +125 C Storage temperature range TSTG -55 to +125 C Electrical Characteristics (at TA=25C unless otherwise noted) Parameter Symbol Value Unit Max. Forward voltage at 1.0 A (Note 1) VF 0.55 V Max. DC reverse current at Ta = 25C 0.5 IR mA rated DC blocking voltage 20 Ta = 100C Note 1: Pulse test:300 s pulse width, 1% duty cycle. Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 1 QW-JB009 Comchip Technology CO., LTD.SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBA5819-HF) Fig.1 - Typical Forward Characteristics Fig.2 - Typical Reverse characteristics 10000 1000 125C 1000 100 100C 100 75C 10 50C 10 1 25C 1 0 0 0.1 0.2 0.3 0.4 0.5 0 5 10 15 20 25 30 35 40 45 0 Forward Voltage, (V) Reverse Voltage, (V) Fig.4 - Non Repetitive Peak Forward Fig.3 - Current Derating Curve Surge Current 35 8.3 ms single half sine wave JEDEC mehode 1.2 30 25 1.0 20 0.8 0.6 15 O Tj =25 C 10 0.4 5 0.2 0 0 0 25 50 75 100 125 150 1 10 100 Number of cycles at 60 Hz Lead Temperature, (C) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB009 Page 2 Comchip Technology CO., LTD. 125C 100C 75C 50C 25C Forward Current, (mA) Average Forward Current, (A) Peak Surge Forward Current, (A) Reverse Current, (A)