Reverse Voltage: 20 - 40 Volts
Forward Current: 3.0 Amp
CDBA320L Thru CDBA340LL
Features
Ideal for surface mount applications
Easy pick and place
Built-in strain relief
Super low forward voltage drop
Mechanical data
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Metallurgically bonded construction
Polarity: Color band denotes cathode end
Mounting position: Any
Weight: 0.063 grams
SMD Schottky Barrier Rectifier
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
COMCHIP
Maximum Ratings and Electrical Characterics
MDS0209002A
Page 1
Dimensions in inches and (millimeters)
0.008(0.20)
0.004(0.10)
0.067(1.70)
0.051(1.29)
0.091(2.31)
0.067(1.70)
0.059(1.50)
0.035(0.89)
0.110(2.79)
0.086(2.18)
0.180(4.57)
0.160(4.06)
0.012(0.31)
0.006(0.15)
0.209(5.31)
0.185(4.70)
DO-214AC (SMA)
Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas
TYPE NUMBER
CDBA320L CDBA320LL CDBA340L CDBA340LL
UNITS
Maximum Recurrent Peak Revers e Voltage
20
20
40
40
V
Maximum RMS Voltage
14
14
28
28
V
Maximum DC Blocking Voltage
20
20
40
40
V
Maximum Instantaneous Forward Voltage at 3.0A
0.42
0.38
0.45
0.4
V
Maximum DC Reverse Current T a = 25C
at Rated DC Blocking Voltage Ta = 80C
mA
Operating Temperature Range T
J
C
Storage Temperature Range T
STG
C
-25 to +80
-50 to +125
Rating 25 C ambient temperature unless otherwise specif ied. Single phase half wave, 60Hz, resistive or inductive load. For
capacitive load, derate current by 20%.
Peak Forward Surge Current, 8.3 ms single half sine-
wave superimposed on rated load (JEDEC method)
90
A
1.5
60
Maximum Average Forward Rectified Current
3.0
A
Rating and Characteristic Curves (CDBA320L Thru CDBA340LL)
www.comchip.com.tw
COMCHIP
COMCHIP
MDS0209002A
Page 2
SMD Schottky Barrier Rectifier
SMD Schottky Barrier Rectifier
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
A
VERAGE FOR
W
ARD CURRENT
,(A)
FIG.2-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FOR
W
ARD SURGE CURRENT
,(A)
FIG.3-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE
(V)
JUNCTION CAP
ACIT
ANCE,(pF)
0.6
1.2
1.8
2.4
3.0
3.6
0
20
40
60
80
100
120
140
160
180
200
0
700
600
500
400
300
200
100
0
40
20
60
100
80
.01 .05 .1 .5 1 5 10 50 100
AMBIENT TEMPERATURE (
C
)
.1
1.0
10
100
FIG.4 - TYPICAL REVERSE
CHARACTERISTICS
REVERSE LEAKAGE CURRENT
, (mA)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
0 20 40 60 80 100 120 140
.01
CD
BA
320
L ~
CDBA340
LL
Tj=25
C
NUMBER OF CYCLES AT 60Hz
1
10
5
50
100
Tj=25
C
8.3ms Single Half
Sine Wave
JEDEC method
CDBA
32
0
L ~
CDBA
340LL
L
Tj=75
C
Rating and Characteristic Curves (CDBA320L Thru CDBA340LL)
www.comchip.com.tw
COMCHIP
COMCHIP
MDS0209002A
Page 3
SMD Schottky Barrier Rectifier
SMD Schottky Barrier Rectifier
100
200
300
400
500
600
1E+00
1E+01
1E+02
1E+03
FORWARD
VOLTAGE (MILLIVOLTS)
FORWARD
CURRENT
(MILLIAMPERES)
Tj=125C
Tj=25C
FIG. 5 (For CDBA320L)
0
100
200
300
400
500
600
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARD CURRENT
(MILLIAMPERES)
Tj=100C
Tj=25C
FIG. 6 (For CDBA320LL)
0
100
200
300
400
500
600
1E+00
1E+01
1E+02
1E+03
FORWARD
VOLTAGE (MILLIVOLTS)
FORWARD
CURRENT
(MILLIAMPERES)
Tj=125C
Tj=25C
FIG. 7 (For CDBA340L)
0
100
200
300
400
500
600
1
E
+
0
0
1
E
+
0
1
1
E
+
0
2
1
E
+
0
3
FORWARD
VOLTAGE (MILLIVOLTS)
FORWARD
CURRENT
(MILLIAMPERES)
Tj=100C
Tj=25C
FIG. 8 (For CDBA340LL)
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
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