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.
0.067 (1.70)
0.047 (1.20)
-Low power loss, high efficiency.
-Hight current capability, low forward voltage drop.
0.114 (2.90)
0.083 (2.10)
-Hight surge capability.
-Guarding for overvoltage protection.
0.181 (4.60)
0.157 (4.00)
-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.
0.008(0.20)
0.061 (1.55)
0.030 (0.75)
-Epoxy: UL 94V-0 rate flame retardant.
-Terminals: Solder plated, Solderable per
-MIL-STD-750, method 2026.
0.004(0.10)
0.209 (5.30)
0.185 (4.70)
-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
Parameter
Unit
Max. Recurrent Peak Reverse Voltage
Max. RMS Voltage
VRRM
VRMS
VDC
20
14
20
30
21
30
40
28
40
V
V
V
Max. DC Blocking Voltage
Max. Instantaneous Forward Voltage
@3.0A, TA=25°C
VF
IO
0.38
0.40
V
A
Max. Forward Rectified Current (See Fig.1)
3.0
80
Max. Forward Surge Current,
8.3ms single half sine-wave superimposed
on rated load (JEDEC method)
IFSM
IR
A
VR=VRRM TJ=25°C
Max. Reverse Current
1.0
20
mA
VR=VRRM TJ=100°C
Typical Thermal Resistance (Note 1)
Typical Diode Junction Capacitance(Note 2)
Operating Temperature Range
RθJA
CJ
50
°C/W
pF
300
TJ
-50 to +100
-50 to +150
°C
°C
Storage Temperature Range
TSTG
NOTES:
1. Thermal resistance from junction to ambient.
2. F=1MHZ and applied 4V DC reverse Voltage.
REV: B
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QW-JL009
Comchip Technology CO., LTD.