SMD Schottky Barrier Rectifiers CDBB140-HF Thru. CDBB1100-HF Reverse Voltage: 40 to 100 Volts Forward Current: 1.0 Amp RoHS Device Halogen Free DO-214AA (SMB) Features -Low Profile surface mount applications in order to optimize board space. 0.087 (2.20) 0.157 (4.00) 0.071 (1.80) 0.130 (3.30) -Low power loss, high efficiency. -High current capability, low forward voltage drop. 0.191 (4.85) 0.157 (4.00) -High surge capability. -Guard ring for overvoltage protection. 0.012 (0.31) MAX. -Ultra high-speed switching. -Silicon epitaxial planar chip,metal silicon junction. 0.126 (3.20) 0.078 (1.99) Mechanical data 0.008(0.21) 0.063 (1.60) MAX. -Epoxy: UL94-V0 rate flame retardant. 0.028 (0.70) 0.220 (5.60) -Case: Molded plastic, DO-214AA / SMB 0.197 (5.00) -Terminals: solderable per MIL-STD-750, method 2026. Dimensions in inches and (millimeter) -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 Symbol Units Parameter 140-HF 160-HF 1100-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 VF 0.50 0.70 0.81 V 1.0A, TA=25C Operating Temperature TJ -50 to +150 C Symbol Parameter Conditions MIN. TYP. MAX. Units see Fig.1 forward rectified current IO 1.0 A 8.3ms single half sine-wave superimposed forward surge current IFSM 30 A on rate load (JEDEC method) VR =VRRM TA=25C IR 0.5 mA Reverse Current VR =VRRM TA=100C IR 20 mA Thermal Resistance Junction to ambient R JA 88 C/W Diode Junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 120 pF Storage temperature TSTG -50 +175 C Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB018 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBB140-HF thru. CDBB1100-HF) Fig.1 - Typical Forward Current Fig.2 - Typical Forward Characteristics Derating Curve 100 1.2 10 1.0 0.8 1.0 0.6 0.4 0.1 0.2 TJ=25C Pulse Width 300us 1% Duty Cycle 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) Ambient Temperature, (C) Fig.3 - Maximum Non-repetitive Fig.4 - Typical Junction Capacitance Forward Surge Current 30 350 O TJ=25 C 8.3ms single half sine wave, JEDEC method 300 24 250 18 200 150 12 100 6 50 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:B QW-JB018 Page 2 Comchip Technology CO., LTD. CDBB160-HF CDBB140-HF CDBB1100-HF Reverse Leakage Current, (mA) Peak Forward Surge Current, ( A ) Average Forward Current, (A) Junction Capacitance, (pF) Instantaneous Forward Current, ( A )