SMD Schottky Barrier Rectifiers CDBC320-HF Thru. CDBC3100-HF Reverse Voltage: 20 to 100 Volts Forward Current: 3.0 Amp RoHS Device Halogen Free DO-214AB (SMC) Features -Low Profile surface mount applications in order to optimize board space. -Low power loss, high efficiency. -High current capability, low forward voltage drop. -High surge capability. -Guard ring for overvoltage protection. -Ultra high-speed switching. -Silicon epitaxial planar chip,metal silicon junction. Mechanical data 0.126 (3.20) 0.114 (2.90) 0.245 (6.22) 0.220 (5.59) 0.280 (7.11) 0.260 (6.60) 0.019 (0.485) MAX. 0.114 (2.90) 0.075 (1.90) -Epoxy: UL94-V0 rate flame retardant. -Case: Molded plastic, DO-214AB / SMC -Terminals: solderable per MIL-STD-750, method 2026. -Polarity: Indicated by cathode band. -Weight: 0.226 grams(Approx.) 0.008(0.20) 0.004(0.10) 0.325 (8.25) 0.305 (7.75) 0.063 (1.60) 0.030 (0.76) Dimensions in inches and (millimeter) Circuit Diagram Maximum Ratings and Electrical Characteristics Ratings at Ta=25°C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . Symbol CDBC 320-HF CDBC 340-HF CDBC 360-HF CDBC 3100-HF Unit Max. repetitive peak reverse voltage VRRM 20 40 60 100 V Max. DC blocking voltage VDC 20 40 60 100 V Max. RMS voltage Parameter VRMS 14 28 42 70 V Max. instantaneous forward voltage @ 3.0A, TA=25°C VF 0.45 0.50 0.70 0.81 V Operating Temperature TJ -50 to +150 Symbol °C MAX. Units IO 3.0 A IFSM 70 A VR =VRRM TA=25°C IR 0.5 mA VR =VRRM TA=100°C IR 20 mA Thermal Resistance Junction to ambient RθJA 55 °C/W Diode Junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 250 pF Parameter Conditions Forward rectified current see Fig.1 Forward surge current 8.3ms single half sine-wave superimposed on rate load (JEDEC method) MIN. TYP. Reverse Current Storage temperature TSTG -50 +175 Company reserves the right to improve product design , functions and reliability without notice. °C REV: A Page 1 QW-JB032 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBC320-HF thru. CDBC3100-HF) Fig.1 - Typical Forward Current Derating Curve Fig.2 - Typical Forward Characteristics 2.0 1.5 1.0 0.5 0 0 25 50 75 100 125 150 0HF ~C BC DB 36 C3 040 HF -H F 2.5 10 3.0 0.1 Fig.3 - Maximum Non-repetitive Forward Surge Current 0.7 0.9 1.1 1.3 1.5 600 Junction Capacitance, (pF) Peak Forward Surge Current, ( A ) 0.5 700 TJ=25 OC 8.3ms single half sine wave, JEDEC method 60 40 20 1 0.3 Fig.4 - Typical Junction Capacitance 80 0 TJ=25°C Pulse Width 300us 1% Duty Cycle Forward Voltage, ( V ) Ambient Temperature, (°C) 100 -HF 1.0 0.01 0.1 175 00 C31 CDB CD 3.0 CD BC 32 Instantaneous Forward Current, ( A ) Average Forward Current, (A) 100 10 100 500 400 300 200 100 0 0.01 Number of Cycles at 60Hz 0.1 1 10 100 Reverse Voltage, ( V ) Fig.5 - Typical Reverse Characteristics Reverse Leakage Current, ( mA ) 100 10 1 TJ=125°C 0.1 TJ=25°C 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: A Page 2 QW-JB032 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers Reel Taping Specification d P0 P1 T E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed DO-214AB (SMC) DO-214AB (SMC) SYMBOL A B C d D D1 D2 (mm) 6.30 ± 0.10 8.60 ± 0.10 2.90 ± 0.10 1.50 ± 0.10 330 ± 2.00 50.0 MIN. 13.50 ± 0.50 (inch) 0.248 ± 0.004 0.339 ± 0.004 0.114 ± 0.004 0.059 ± 0.004 12.99 ± 0.079 1.969 MIN. 0.531 ± 0.020 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 7.50 ± 0.10 8.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.60 ± 0.10 16.00 ± 0.30 22.40 ± 1.00 (inch) 0.069 ± 0.004 0.295 ± 0.004 0.315± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.236 ± 0.004 0.630 ±0.012 0.882 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV: A Page 3 QW-JB032 Comchip Technology CO., LTD. SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBC320-HF 320 CDBC340-HF 340 Special code oo Blank L LL SL Others Low VF Ultra Low VF Super Low VF Comchip logo CDBC360-HF CDBC3100-HF Package: 360 Cathod Band 3100 C OOX B XXX X A B C PKG SMA SMB SMC Product type marking code Schottky Diode xxx/xxxx = Product type marking code Suggested PAD Layout DO-214AB (SMC) D (mm) (inch) A A 6.90 0.272 E B 2.50 0.098 C 3.30 0.130 D 9.40 0.370 E 4.40 0.173 SIZE C B Standard Packaging REEL PACK Case Type DO-214AB (SMC) REEL Reel Size ( pcs ) (inch) 3,000 13 Company reserves the right to improve product design , functions and reliability without notice. REV: A Page 4 QW-JB032 Comchip Technology CO., LTD.