Voltage: 20V
- 40V
Forward Current: 1.0 Amp
CDBA120L thru CDBA140
SL
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
MDS0210009B
Page 1
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 94-0 rate flame retardant
Metallurgically bonded construction
Polarity: Color band denotes cathode end
Mounting position: Any
Weight: 0.063g
TYPE NUMBER
CDBA120L CDBA120LL CDBA120SL CDBA140L CDBA140LL CDBA140SL
UNITS
Maximum Recurrent Peak Reverse Voltage
20
20
20
40
40
40
V
Maximum RMS Voltage
14
14
14
28
28
28
V
Maximum DC Blocking Voltage
20
20
20
40
40
40
V
Maximum Instantaneous Forward Voltage at 1.0A 0.4 0.37 0.31 0.38 0.34 0.31 V
Maximum DC Reverse Current Ta = 25C
at Rated DC Blocking Voltage Ta = 80C
mA
Operating Temperature Range T
J
C
Storage Temperature Range T
STG
C
1.0
35
Maxium Ratings 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%
A
A
Maximum Average Forward Rectified Current
-25 to +80
Peak Forward Surge Current, 8.3 ms single half sine-
wave superimposed on rated load (JEDEC method)
-50 to +125
40
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)
1.0
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
COMCHIP
RATING AND CHARACTERISTIC CURVES (CDBA120L THRU CDBA140SL)
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)
0.2
0.4
0.6
0.8
1.0
1.2
0
20
40
60
80
100
120
140
160
180
200
0
700
600
500
400
300
200
100
0
20
10
30
50
40
.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
Tj=75 C
CDBA120L ~ CDBA140SL
Tj=25 C
NUMBER OF CYCLES AT 60Hz
1 10
5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
CDBA120L / 120LL / 140L
CDBA120SL / 140LL
CDBA140SL
MDS0210009B
Page 2
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
COMCHIP
0
100
200
300
400
500
600
700
1E-01
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 5 (For CDBA120L)
0
100
200
300
400
500
600
1E-01
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 6 (For CDBA120LL)
0
100
200
300
400
500
600
1E-01
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 7 (For CDBA120SL)
0
100
200
300
400
500
600
700
800
1E-01
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 8 (For CDBA140L)
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
C D B A 1 2 0 L t h r u C D B A 1 4 0
SL
MDS0210009B
Page 3
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
COMCHIP
0
100
200
300
400
500
600
1E-01
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE (MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 9 (For CDBA140LL)
0
100
200
300
400
500
600
1E+00
1E+01
1E+02
1E+03
FORWARD VOLTAGE(MILLIVOLTS)
FORWARDCURRENT
(MILLIAMPERES)
o
Tj=100 C
o
Tj=25 C
FIG. 10 (For CDBA140SL)
TYPICAL FORWARD
CHARACTERISTICS
TYPICAL FORWARD
CHARACTERISTICS
C D B A 1 2 0 L t h r u C D B A 1 4 0
SL
MDS0210009B
Page 4
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