SMD Schottky Barrier Rectifiers CDBB340-HF Thru. CDBB3100-HF Reverse Voltage: 40 to 100 Volts Forward Current: 3.0 Amp RoHS Device Halogen Free DO-214AA (SMB) Features 0.087 (2.20) - Low Profile surface mount applications 0.157 (4.00) 0.071 (1.80) 0.130 (3.30) in order to optimize board space. - Low power loss, high efficiency. 0.191 (4.85) - High current capability, low forward voltage drop. 0.157 (4.00) - High surge capability. 0.012 (0.31) MAX. - Guard ring for overvoltage protection. - Ultra high-speed switching. 0.126 (3.20) - Silicon epitaxial planar chip,metal silicon junction. 0.078 (1.99) 0.008(0.21) 0.063 (1.60) Mechanical data MAX. 0.028 (0.70) 0.220 (5.60) -Epoxy: UL94-V0 rate flame retardant. 0.197 (5.00) -Case: Molded plastic, DO-214AA / SMB -Terminals: Solderable per MIL-STD-750, Dimensions in inches and (millimeter) method 2026. Circuit Diagram -Polarity: Indicated by cathode band. -Weight: 0.091 grams Maximum Ratings and Electrical Characteristics Ratings at Ta=25C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . CDBB CDBB CDBB Parameter Symbol Unit 340-HF 360-HF 3100-HF Max. repetitive peak reverse voltage VRRM 40 60 100 V Max. DC blocking voltage VDC 40 60 100 V Max. RMS voltage VRMS 28 42 70 V Max. instantaneous forward voltage 3.0A, TA=25C VF 0.50 0.70 0.81 V Operating temperature range Top -40 to +70 C Junction temperature range TJ -50 to +150 C Storage temperature range TSTG -50 to +175 C Symbol Parameter Conditions MIN. TYP. MAX. Unit see Fig.1 Forward rectified current IO 3.0 A 8.3ms single half sine-wave superimposed Forward surge current IFSM 70 A on rate load (JEDEC method) VR=VRRM TJ=25C IR 0.5 mA Reverse Current VR=VRRM TJ=100C IR 20 mA Thermal Resistance Junction to ambient R JA 55 C/W Diode Junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 250 pF Company reserves the right to improve product design , functions and reliability without notice. REV: E QW-JB024 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBB340-HF thru. CDBB3100-HF) Fig.1 - Typical Forward Current Fig.2 - Typical Forward Characteristics Derating Curve 100 3.0 10 2.5 3.0 2.0 1.0 1.5 TJ=25C Pulse Width 300us 1% Duty Cycle 1.0 0.1 0.5 0.01 0 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 0 25 50 75 100 125 150 175 Forward Voltage, ( V ) Junction Temperature, ( C ) Fig.3 - Maximum Non-repetitive Fig.4 - Typical Junction Capacitance Forward Surge Current 100 700 O TJ=25 C 8.3ms single half sine wave, JEDEC method 600 80 500 60 400 300 40 200 20 100 0 0 1 10 100 0.01 0.1 1 10 100 Number of Cycles at 60Hz Reverse Voltage, ( V ) Fig.5 - Typical Reverse Characteristics 100 10 1 TJ=125C 0.1 TJ=25C 0.01 0 40 80 120 160 200 Percent of Rated Peak Reverse Voltage, (%) Company reserves the right to improve product design , functions and reliability without notice. REV: E QW-JB024 Page 2 Comchip Technology CO., LTD. CDBB3100-HF CDBB340-HF CDBB360-HF Reverse Leakage Current, ( mA ) Average Forward Current, (A) Peak Forward Surge Current, ( A ) Junction Capacitance, (pF) Instantaneous Forward Current, ( A )