Low VF SMD Schottky Barrier Rectifiers CDBA320L-HF Thru. CDBA340L-HF Reverse Voltage: 20 to 40 Volts Forward Current: 3.0 Amp RoHS Device Halogen free Features DO-214AC (SMA) -Low Profile surface mount applications in order to optimize board space. -Low power loss, high efficiency. 0.067 (1.70) 0.047 (1.20) -Hight current capability, low forward voltage drop. 0.114 (2.90) 0.083 (2.10) -Hight surge capability. 0.181 (4.60) 0.157 (4.00) -Guarding for overvoltage protection. -Ultra high-speed switching. -Silicon epitaxial planar chip,metal silicon junction. 0.012 (0.30) TYP. Mechanical data 0.098 (2.50) 0.067 (1.70) -Case: JEDEC DO-214AC / SMA, molded plastic. -Epoxy: UL 94V-0 rate flame retardant. 0.008(0.20) 0.004(0.10) 0.209 (5.30) 0.185 (4.70) 0.061 (1.55) 0.030 (0.75) -Terminals: Solder plated, Solderable per -MIL-STD-750, method 2026. -Polarity: Indicated by cathode band. Dimensions in inches and (millimeter) -Mounting position: Any. -Weight: 0.055 grams 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 CDBA320L-HF CDBA330L-HF CDBA340L-HF Unit Max. Recurrent Peak Reverse Voltage VRRM 20 30 40 V Max. RMS Voltage VRMS 14 21 28 V Max. DC Blocking Voltage VDC 20 30 40 V Max. Instantaneous Forward Voltage @3.0A, TA=25°C VF 0.38 Max. Forward Rectified Current (See Fig.1) IO 3.0 A Max. Forward Surge Current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 80 A IR 1.0 20 mA RθJA 50 °C/W CJ 300 pF TJ -50 to +100 °C TSTG -50 to +150 °C Parameter Max. Reverse Current VR=VRRM TJ=25°C VR=VRRM TJ=100°C Typical Thermal Resistance (Note 1) Typical Diode Junction Capacitance(Note 2) Operating Temperature Range Storage Temperature Range NOTES: 1. Thermal resistance from junction to ambient. 2. F=1MHZ and applied 4V DC reverse Voltage. 0.40 V REV: B Page 1 QW-JL009 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBA320L-HF thru CDBA340L-HF) Average Forward Current, (A) 5.0 Single phase half wave 60Hz Resistive or inductive load 4.0 3.0 2.0 1.0 0 0 20 40 60 80 100 120 140 Fig.2 - Typical Forward Characteristics INSTANTANEOUS FORWARD CURRENT, (A) Fig.1 - Typical Forward Current Derating Curve 50 CDBA320L-HF 10 CDBA330L-HF ~ CDBA340L-HF 1.0 0.1 TJ=25°C Pulse width 300us 1% duty cycle 0.01 0.1 Ambient Temperature, (°C) 0.5 0.7 0.9 1.1 1.3 1.5 Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Forward Surge Current Fig.4 - Typical Junction Capacitance 100 700 TJ=25°C 8.3ms single half sine wave, JEDEC method Junction Capacitance, (pF) Peak Forward Surge Current, (A) 0.3 80 60 40 20 600 500 400 300 200 100 0 1 10 100 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 TJ=100°C 10 1.0 TJ=25°C 0.1 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage, (%) REV: B Page 2 QW-JL009 Comchip Technology CO., LTD. Low VF 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-214AC (SMA) DO-214AC (SMA) SYMBOL A B C d D D1 D2 (mm) 2.70 ± 0.10 5.30 ± 0.10 2.66 ± 0.10 1.50 ± 0.10 330 ± 2.00 62.0 MIN. 13.50 ± 0.50 (inch) 0.106 ± 0.004 0.209 ± 0.004 0.105 ± 0.004 0.059 ± 0.004 12.99 ± 0.079 2.441 MIN. 0.531 ± 0.020 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 5.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.60 ± 0.10 12.0 ± 0.30 18.40 ± 1.00 (inch) 0.069 ± 0.004 0.217 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.236 ± 0.004 0.472 ± 0.012 0.724 ± 0.039 REV: B Page 3 QW-JL009 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Marking Code Part Number Marking Code CDBA320L-HF SL32 CDBA330L-HF SL33 CDBA340L-HF SL34 Cathod Band XXXX XXXX = Product type marking code Suggested PAD Layout DO-214AC (SMA) D SIZE (mm) (inch) A 4.00 0.157 B 2.50 0.100 C 1.70 0.068 D 6.50 0.256 E 1.50 0.060 A E C B Standard Packaging REEL PACK Case Type DO-214AC (SMA) REEL Reel Size ( pcs ) (inch) 5,000 13 REV: B Page 4 QW-JL009 Comchip Technology CO., LTD.