SMD Schottky Barrier Diodes CDBV120-HF Thru. CDBV140-HF Forward current: 1.0A Reverse voltage: 20 to 40V RoHS Device SOD-323 Halogen Free Features 0.108 (2.75) 0.100 (2.55) - For use in low voltage, high frequency inverters. 0.014 (0.35) 0.055 (1.40) - Free wheeling, and polarity protection applications. 0.010 (0.25) 0.047 (1.20) 0.071 (1.80) 0.063 (1.60) Mechanical Data - Case: SOD-323, molded plastic. 0.035 (0.90) 0.031 (0.80) - Terminals: Solderable per MIL-STD-750, method 0.006 (0.150) 0.039 (1.00) 2026. 0.003 (0.080) MAX. - Polarity: Indicated by cathode end. 0.004 (0.10) 0.019 (0.475)REF 0.000 (0.00) Circuit Diagram Dimensions in inches and (millimeter) Maximum Ratings (At Ta=25C, unless otherwise noted) Symbol CDBV120-HF CDBV130-HF CDBV140-HF Parameter Unit Non-repetitive peak reverse voltage VRM 20 30 40 V Peak repetitive peak reverse voltage VRRM Working peak reverse voltage VRWM 20 30 40 V VR DC blocking voltage RMS reverse voltage VR(RMS) 14 21 28 V Average rectified output current IO 1 A Non-repetitive peak forward surge current t=8.3ms IFSM 9 A Repetitive peak forward current IFRM 1.5 A Power dissipation PD 250 mW Thermal resistance, junction to ambient R JA 400 C/W Junction temperature range TJ -40 ~ +125 C Storage temperature range TSTG -55 ~ +150 C Electrical Characteristics (At Ta=25C, unless otherwise noted) Symbol Parameter Conditions Min. Max. Unit CDBV120-HF 20 Reverse breakdown voltage CDBV130-HF IR = 1mA V(BR) 30 V CDBV140-HF 40 CDBV120-HF VR = 20V Reverse voltage leakage current CDBV130-HF VR = 30V IR 1 mA CDBV140-HF VR = 40V CDBV120-HF 0.45 CDBV130-HF IF = 1A 0.55 V CDBV140-HF 0.60 Forward voltage VF CDBV120-HF 0.75 CDBV130-HF IF = 3A 0.875 V CDBV140-HF 0.90 Diode capacitance VR = 4V, f = 1MHz CD 120 pF Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB041 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diodes TYPICAL RATING AND CHARACTERISTIC CURVES (CDBV120-HF thru.CDBV140-HF) Fig.1- Power Derating Curve Fig.2- Capacitance Characteristics 250 300 TJ=25C f=1MHz 250 200 200 150 CDBV120-HF 150 100 100 CDBV130-HF 50 50 CDBV140-HF 0 0 0 5 10 15 20 0 25 50 75 100 125 Ambient Temperature, Ta (C) Reverse Voltage, VR (V) TYPICAL RATING AND CHARACTERISTIC CURVES (CDBV120-HF) Fig.3 - Forward Characteristics Fig.4 - Reverse Characteristics 3000 6000 1000 1000 TA = 100C TA = 100C 100 TA = 25C 100 TA = 25C 10 10 1 0 200 400 600 800 0.1 1 10 20 Forward Voltage, VF (mV) Reverse Voltage, VR (V) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB041 Page 2 Comchip Technology CO., LTD. Forward Current, IF (mA) Power Dissipation, PD (mW) Reverse Current, IR (A) Capacitance Between Terminals, CT (pF)