SMD Schottky Barrier Rectifiers
Reverse Voltage: 20 to 100 Volts
Forward Current: 3.0 Amp
RoHS Device
Page 1
REV:B
Features
-Ideal for surface mount applications.
-Easy pick and place.
-Plastic package has Underwriters Lab.
flammability classification 94V-0.
-Built-in strain relief.
-Low forward voltage drop.
Mechanical data
-Case: JEDEC DO-214AB, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Color band denotes cathode end.
-Approx. weight: 0.21 grams
CDBC320-G Thru. CDBC3100-G
Maximum Ratings and Electrical Characteristics
QW-BB011
CDBC
320-G
2
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.
Comchip Technology CO., LTD.
Max. repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Peak surge forward current, 8.3ms
single half sine-wave superimposed
on rate load (JEDEC method)
Max. average forward current
Max. instantaneous forward voltage at
3.0A
O
Max. DC reverse current at TA=25 C
O
rated DC blocking voltage TA=100 C
Max. thermal resistance (Note 1)
Max. operating junction temperature
Storage temperature
CDBC
340-G
CDBC
360-G
CDBC
380-G
CDBC
3100-G UnitsSymbolParameter
VRRM
VDC
VRMS
IFSM
IO
VF
IR
RθJA
RθJL
TJ
TSTG
20
20
14
40
40
28
60
60
42
80
3.0
0.70
0.5
50
10
125
-65 to +150
80
80
56
10
100
100
70
V
V
V
A
A
V
mA
OC/W
OC
OC
0.50 0.85
20
Dimensions in inches and (millimeter)
DO-214AB (SMC)
0.245(6.22)
0.220(5.59)
0.126(3.20)
0.114(2.90)
0.320(8.13)
0.305(7.75) 0.012(0.31)
0.006(0.15)
0.008(0.20)max.
0.060(1.52)
0.030(0.76)
0.103(2.62)
0.079(2.00)
0.280(7.11)
0.260(6.60)
QW-BB011
RATING AND CHARACTERISTIC CURVES (CDBC320-G thru CDBC3100-G)
Percent of Rated Peak Reverse Voltage (%)
20012080 1600
Fig.1 Reverse Characteristics
0.01
0.1
1
10
100
Rvr e u rent(m A)
ee s C r
Forward Voltage (V)
0.1
Fig.2 Forward Characteristics
0.01
o w rd C rren (A)
F r a ut
0.1
1
10
100
0.9
Reverse Voltage (V)
0.01
Fig.3 Junction Capacitance
0
Jn ti n apacian ce(p )
u c o C t F
100
300
600
700
1 10 100
Ambient Temperature (°C)
Fig.4 Current Derating Curve
0
Averag e For ward C urre nt (A)
1.5
2.0
3.5
Comchip Technology CO., LTD.
Page 2
REV:B
1.3 2.1
200
400
500
0 100 175
0.5
3.0
40 0.5 1.7
1.0
SMD Schottky Barrier Rectifiers
O
TJ=75 C
O
TJ=25 C
CDBC320-G~340-G
CDBC360-G
CDBC380-G~3100-G
O
TJ=25 C
Pulse width 300μS
4% duty cycle
0.1
O
TJ=25 C
f=1MHz and applied
4VDC reverse voltage
Number of Cycles at 60Hz
Fig.5 Non-repetitive Forward Surge Current
0
P a F r adu g Cur et )
e k o wr S r e r n(A
60
80
120
1 10 100
20
100
40
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
25 50 75 150125
2.5
CBC320-G~340-G
D
CDBC30G~10-
6-30G
QW-BB011
Comchip Technology CO., LTD.
Page 3
REV:B
SMD Schottky Barrier Rectifiers
Polarity
B C dD D2D1
SYMBOL
A
(mm)
(inch) 1.969 MIN.
8.00 ± 0.10
1.50 ± 0.10 50.0 MIN. 13.5 ± 1.00
4.00 ± 0.10 2.00 ± 0.05 16.0 ± 0.20 22.4 (max)
330
0.059 ± 0.004 12.99 0.531 ± 0.039
SYMBOL
(mm)
(inch) 0.630 0.008±
0.315 ± 0.004 0.157 ± 0.004 0.079 ± 0.002 0.882 (max)
E F P P0P1WW1
1.75 ± 0.10
0.689 ± 0.004
7.50 ± 0.05
0.295 ± 0.002
6.30 (max)
0.248 (max)
8.60 (max)
0.339 (max)
2.90 (max)
0.114 (max)
SMC
(DO-214AB)
SMC
(DO-214AB)
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
D1
D2
D
W1
T
C
Direction of Feed
Reel Taping Specification
B
P0
P1
P
Index hole
A
d
E
F W
QW-BB011
Comchip Technology CO., LTD.
Page 4
REV:B
SMD Schottky Barrier Rectifiers
A
B
C
E
D
SIZE
(inch)
0.244
(mm)
6.20
1.60
4.80
0.063
0.189
7.80 0.307
E4.60 0.181
B
C
D
A
DO-214AB(SMC)
Suggested PAD Layout
Part Number
CDBC320-G
Marking Code
Marking Code
CDBC340-G
CDBC360-G
CDBC380-G
CDBC3100-G
320
340
360
380
3100
C
XXX
Comchip logo
PKG
SMA
SMB
SMC
A
B
C
Product type marking code
Package:
OO X
X
Schottky Diode
Special code
Blank
L
LL
oo
SL
Others
Low VF
Ultra Low VF
Super Low VF
B
Cathod Band
xxx/xxxx = Product type marking code
Standard Packaging
Case Type
3,000
REEL
( pcs )
Reel Size
(inch)
13
REEL PACK
DO-214AB
(SMC)