SMD Schottky Barrier Rectifiers
CDBA320-G Thru. CDBA3100-G
Reverse Voltage: 20 to 100 Volts
Forward Current: 3.0 Amp
RoHS Device
Halogen Free
Features
DO-214AC (SMA)
-Ideal for surface mount applications.
0.177(4.50)
0.157(3.99)
-Easy pick and place.
-Plastic package has Underwriters Lab.
flammability classification 94V-0.
0.110(2.79)
0.100(2.54)
0.065(1.65)
0.049(1.25)
-Built-in strain relief.
-Low forward voltage drop.
0.208(5.28)
0.193(4.90)
0.012(0.305)
0.006(0.152)
Mechanical data
0.090(2.29)
0.078(1.98)
-Case: JEDEC DO-214AC, molded plastic.
0.060(1.52)
0.030(0.76)
-Terminals: solderable per MIL-STD-750,
method 2026.
0.005(0.127) max
-Polarity: Color band denotes cathode end.
-Approx. weight: 0.063 grams
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
Symbol
CDBA
320-G
CDBA
340-G
CDBA
360-G
CDBA
380-G
CDBA
3100-G
Units
Max. repetitive peak reverse voltage
VRRM
20
40
60
80
100
V
Max. DC blocking voltage
VDC
20
40
60
80
100
V
Max. RMS voltage
VRMS
14
28
42
56
70
V
Peak surge forward current, 8.3ms
single half sine-wave superimposed
on rate load (JEDEC method)
IFSM
80
A
IO
3.0
A
Parameter
Max. average forward current
Max. instantaneous forward voltage at
3.0A
Max. DC reverse current at TA=25°C
rated DC blocking voltage TA=100°C
Max. thermal resistance (Note 1)
Max. operating junction temperature
Storage temperature
VF
0.50
0.70
0.85
0.5
IR
20
V
mA
10
RθJA
RθJL
50
12
°C/W
TJ
-55 to +150
°C
TSTG
-55 to +150
°C
Notes: 1. Thermal resistance from junction to ambient and junction to lead mounted on P.C.B. with 0.2×0.2 inch copper pad area.
Company reserves the right to improve product design , functions and reliability without notice.
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Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBA320-G thru CDBA3100-G)
Fig.1- Typical Forward Current
Derating Curve
Fig.2- Non-repetitive Forward Surge Current
3.5
120
O
Peak Forward Surge Current (A)
Average Forward Current,(A)
3.0
2.5
2.0
1.5
Single Phase Half Wave
60Hz Inductive or Resistive Load
0.375*(9.5mm)Lead Length
1.0
0.5
0
TJ=25 C
8.3ms single half sine
wave, JEDEC method
100
80
60
40
20
0
0
25
50
75
100
125
150
O
Ambient Temperature (
175
1
10
C)
100
Number of Cycles at 60Hz
Fig.4- Reverse Characteristics
Fig.3- Forward Characteristics
100
100
CDBA320-G~340-G
REVERSE Current (mA)
CDBA360-G
Forward Current (A)
10
1
CDBA380-G~3100-G
0.1
10
1
TJ=75 OC
0.1
O
TJ=25 C
Pulse width 300μS
4% duty cycle
TJ=25 OC
0.01
0.01
0.1
0.5
0.9
1.7
1.3
2.1
0
40
80
120
160
200
Percent of Rated Peak Reverse Voltage (%)
Forward Voltage (V)
Fig.5- Junction Capacitance
700
O
TJ=25 C
f=1MHz and applied
4VDC reverse voltage
Junction Capacitance,(PF)
600
500
400
300
200
100
0
0.01
0.1
1
10
100
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Comchip Technology CO., LTD.
Reverse Voltage (V)
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
.......
.......
End
Device
.......
.......
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)
2.7 Max
5.3 Max
2.66 Max
1.50 ± 0.10
330 ± 2.00
50.0 Min.
13.5 ± 1.00
(inch)
0.106 Max
0.209 Max
0.105 Max
0.059 ± 0.004
13.00 ± 0.079
1.969 Min.
0.531 ± 0.039
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
5.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.05
12.0 ± 0.30
18.4 Max.
(inch)
0.069 ± 0.004
0.216 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.002
0.472 ± 0.012
0.724 Max
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QW-BB009
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Marking Code
Part Number
Marking Code
CDBA320-G
320
CDBA340-G
340
Special code
oo
Blank
L
LL
SL
Others
Low VF
Ultra Low VF
Super Low VF
Comchip logo
Package:
360
CDBA360-G
CDBA380-G
380
CDBA3100-G
3100
Cathod Band
C
OO X
B
XXX
X
A
B
C
PKG
SMA
SMB
SMC
Product type marking code
Schottky Diode
xxx/xxxx = Product type marking code
Suggested PAD Layout
D
DO-214AC (SMA)
SIZE
(mm)
(inch)
A
A
4.50
0.177
E
B
1.50
0.059
C
C
3.60
0.142
D
6.00
1.298
E
3.00
0.118
B
Standard Packaging
REEL PACK
Case Type
DO-214AC
(SMA)
REEL
Reel Size
( pcs )
(inch)
5,000
13
REV:D
Page 4
QW-BB009
Comchip Technology CO., LTD.
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