Low VF SMD Schottky Barrier Rectifiers
CDBA320L-G Thru. CDBA340L-G
Reverse Voltage: 20 to 40 Volts
Forward Current: 3.0 Amp
RoHS Device
Features
DO-214AC (SMA)
-Ideal for surface mount applications.
-Easy pick and place.
0.180(4.57)
0.160(4.06)
-Plastic package has Underwriters Lab.
flammability classification 94V-0.
0.110(2.79)
0.086(2.18)
0.067(1.70)
0.051(1.29)
-Built in strain relief.
-Super low forward voltage drop.
Mechanical data
0.209(5.31)
0.185(4.70)
-Case: JEDEC DO-214AC, molded plastic.
0.012(0.31)
0.006(0.15)
0.091(2.31)
0.067(1.70)
-Terminals: solderable per MIL-STD-750,
method 2026.
0.059(1.50)
0.035(0.89)
0.008(0.20)
0.004(0.10)
-Polarity: Color band denotes cathode end.
-Approx. weight: 0.064 grams(approx.).
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
Single phase half wave, 60Hz, resistive or inductive load. For Capacitive load, derate current by 20%.
Parameter
Symbol
CDBA320L-G
CDBA340L-G
Units
Max. repetitive peak reverse voltage
VRRM
20
40
V
Max. DC blocking voltage
VDC
20
40
V
Max. RMS voltage
VRMS
14
28
V
Peak surge forward current, 8.3ms
single half sine-wave superimposed
on rate load (JEDEC method)
IFSM
80
A
IO
3.0
A
Max. average forward current
Max. instantaneous forward
3.0A
Max. DC reverse current at
rated DC blocking voltage
voltage at
TA=25°C
TA=80°C
Max. thermal resistance (Note 1)
Max. operating junction temperature
Storage temperature
VF
0.38
0.40
V
IR
1.5
60
RθJA
RθJL
88
20
TJ
125
O
C
TSTG
-50 to +150
O
C
mA
O
C/W
Notes: 1. Thermal resistance from junction to ambient and junction to lead, P.C.B. mounted on 0.2×0.2 inch copper pad area.
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Page 1
QW-BL005
Comchip Technology CO., LTD.
Low VF SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBA320L-G thru CDBA340L-G)
Fig.1 Reverse Characteristics
Fig.2 Forward Characteristics
100
10
10
1
F o r w a rd C u rren t(A)
R e v e r s e C u r rent(m A)
CDBA320L-G
1
O
TJ=75 C
CDBA340L-G
0.1
0.01
0.1
TJ=25 OC
Pulse width 300μS
4% duty cycle
O
TJ=25 C
0.01
0.001
0
40
80
120
160
0
200
0.2
0.4
1.3
Percent of Rated Peak Reverse Voltage (%)
Forward Voltage (V)
Fig.3 Junction Capacitance
Fig.4 Current Derating Curve
700
0.5
3.5
Averag e For ward C urre nt (A)
TJ=25 OC
f=1MHz and applied
4VDC reverse voltage
600
J u n c ti o n C apacian
t ce(p F )
0.1
500
400
300
200
3.0
2.5
2.0
1.5
1.0
0.5
100
0
0.01
0
0.1
1
10
100
0
25
50
75
100
125
Ambient Temperature (
Reverse Voltage (V)
O
150
175
C)
Fig.5 Non-repetitive Forward Surge
Current
120
P e a k F o r w a r d S u r g e Cur r e n t (A )
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
100
80
60
40
20
0
1
10
100
Number of Cycles at 60Hz
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Page 2
QW-BL005
Comchip Technology CO., LTD.
Low VF SMD Schottky Barrier Rectifiers
Reel Taping Specification
d
P0
P1
E
Index hole
T
F
W
B
P
A
C
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
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)
2.8 ± 0.10
5.00 ± 0.10
1.90 ± 0.10
1.50 ± 0.10
178 ± 2.00
62.0 MIN.
13.0 ± 0.50
(inch)
0.110 ± 0.004
0.197 ± 0.004
0.075 ± 0.004
0.059 ± 0.004
7.008 ± 0.078
2.441 MIN.
0.512 ± 0.008
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
5.50 ± 0.10
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
12.00 ± 0.30
18.00 ± 1.00
(inch)
0.069 ± 0.004
0.217 ± 0.002
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.004
0.472 ± 0.012
0.709 ± 0.040
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Page 3
QW-BL005
Comchip Technology CO., LTD.
Low VF SMD Schottky Barrier Rectifiers
Marking Code
Part Number
Marking Code
CDBA320L-G
320
CDBA340L-G
340
Special code
oo
Blank
L
LL
SL
Others
Low VF
Ultra Low VF
Super Low VF
Comchip logo
Cathod Band
Package:
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)
A
SIZE
(mm)
(inch)
A
3.80
0.150
B
1.60
0.063
C
2.80
0.110
D
5.40
0.213
E
2.20
0.087
E
C
B
Standard Packaging
REEL PACK
Case Type
DO-214AC
(SMA)
REEL
Reel Size
( pcs )
(inch)
5,000
13
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Page 4
QW-JL005
Comchip Technology CO., LTD.
Mouser Electronics
Authorized Distributor
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