SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
CDBA120L thru CDBA140SL
Voltage: 20V
-
40V
Forward Current: 1.0 Amp
Features
Ideal for surface mount applications
Easy pick and place
Built-in strain relief
Super low forward voltage drop
0.067(1.70)
0.051(1.29)
0.180(4.57)
0.160(4.06)
0.012(0.31)
0.006(0.15)
0.091(2.31)
0.067(1.70)
0.059(1.50)
0.035(0.89)
0.008(0.20)
0.004(0.10)
0.110(2.79)
0.086(2.18)
DO-214AC (SMA)
Mechanical Data
Case:
Molded plastic
Epoxy: UL 94-0 rate flame retardant
Metallurgically bonded construction
Polarity: Color band denotes cathode end
Mounting position: Any
Weight:
0.063g
0.209(5.31)
0.185(4.70)
Dimensions in inches and (millimeters)
Maxium R
atings and Electrical Characteristics
Rating 25 ambient temperature unless otherwise specified
Single phase half wave, 60Hz, resistive or include load.
For capacitive load, derate current by 20%
TYPE NUMBER
CDBA120L CDBA120LL CDBA120SL CDBA140L CDBA140LL CDBA140SL
Maximum Recurrent Peak Reverse Voltage
20
20
20
40
40
40
Maximum RM Voltage
S
14
14
14
28
28
28
Maximum DCBlocking Voltage
20
20
20
40
40
40
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms single half sine-
wave superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DCReverse Current
Ta = 25°C
at Rated DC Blocking Voltage
Ta = 80°C
Operating Temperature Range T
J
Storage Temperature Range T
STG
1.0
35
0.4
0.37
0.31
1.0
40
UNITS
V
V
V
A
A
0.38
0.34
0.31
V
mA
°C
°C
-25 to +80
-50 to +125
MDS0210009B
Page 1
SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTIC CURVES (CDBA120L THRU
CDBA140SL)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
1.0
0.8
0.6
0.4
0.2
PEAK FORWARD SURGE CURRENT,(A)
1.2
40
CD
BA
12
0L
~C
DB
A1
40
SL
30
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
20
10
0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL JUNCTION CAPACITANCE
700
600
500
JUNCTION CAPACITANCE,(pF)
FIG.4 - TYPICAL REVERSE
CHARACTERISTICS
100
400
300
200
CDBA1
20L / 1
CD
BA1
CD
BA
14
0S
L
20S
L/
140
LL
100
0
20LL /
140L
.01
.05
.1
.5
1
5
10
50
100
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
Tj=75 C
REVERSE VOLTAGE,(V)
.1
Tj=25 C
.01
0
20
40
60
80
100 120 140
PERCENTAGE RATED PEAK REVERSE VOL
TAGE
MDS0210009B
Page
2
SMD Schottky Barrier Rectifier
CDBA120L thru CDBA140SL
FIG. 5 (For
CDBA120L)
FORWARD CURRENT
(MILLIAMPERES)
COMCHIP
www.comchip.com.tw
FIG. 6 (For
CDBA120LL)
FORWARD CURRENT
(MILLIAMPERES)
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
1E+03
1E+03
Tj=100
o
C
Tj=100 C
o
1E+02
1E+01
1E+00
1E-01
1E-01
1E+00
1E+01
1E+02
Tj=25 C
o
Tj=25 C
o
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
FORWARD VOLTAGE (MILLIVOLTS)
FORWARD VOLTAGE (MILLIVOLTS)
FIG. 7 (For
CDBA120SL)
FORWARD CURRENT
(MILLIAMPERES)
FIG. 8 (For
CDBA140L)
FORWARD CURRENT
(MILLIAMPERES)
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
1E+03
1E+03
Tj=100
o
C
Tj=100
o
C
1E+02
1E+01
1E+00
1E-01
1E-01
1E+00
1E+01
1E+02
Tj=25 C
o
Tj=25 C
o
0
100
200
300
400
500
600
0
100
200
300
400
500
600
700
800
FORWARD VOLTAGE (MILLIVOLTS)
FORWARD VOLTAGE (MILLIVOLTS)
MDS0210009B
Page
3
Embedded System
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