SMD Schottky Barrier Rectifiers
Reverse Voltage: 20 to 100 Volts
Forward Current: 3.0 Amp
RoHS Device
Page 1
REV: A
CDBC320-HF Thru. CDBC3100-HF
QW-JB032 Comchip Technology CO., LTD.
Features
-Ultra high-speed switching.
Mechanical data
-Case: Molded plastic, DO-214AB / SMC
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-Weight: 0.226 grams(Approx.)
-Low Profile surface mount applications
in order to optimize board space.
-Low power loss, high efficiency.
-High current capability, low forward voltage drop.
-High surge capability.
-Guard ring for overvoltage protection.
-Epoxy: UL94-V0 rate flame retardant.
-Silicon epitaxial planar chip,metal silicon junction.
Maximum Ratings and Electrical Characteristics
Ratings at Ta=25°C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Halogen Free
Dimensions in inches and (millimeter)
DO-214AB (SMC)
0.114 (2.90)
0.075 (1.90)
0.126 (3.20)
0.114 (2.90) 0.245 (6.22)
0.220 (5.59)
0.280 (7.11)
0.260 (6.60)
0.019 (0.485)
MAX.
0.325 (8.25)
0.305 (7.75)
0.063 (1.60)
0.030 (0.76)
0.008(0.20)
0.004(0.10)
Forward surge current
Reverse Current
Storage temperature
A
A
mA
Parameter Conditions
on rate load (JEDEC method)
8.3ms single half sine-wave superimposed
Forward rectified current see Fig.1
Thermal Resistance
Diode Junction capacitance
VR =VRRM TA=25°C
VR =VRRM TA=100°C
f=1MHZ and applied 4V DC reverse Voltage
Junction to ambient
Symbol
IO
IFSM
IR
RθJA
CJ
TSTG
IR
MIN. TYP. MAX.
mA
°C/W
pF
°C
3.0
70
0.5
20
55
250
-50 +175
Units
CDBC
320-HF
Max. repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
CDBC
340-HF CDBC
360-HF CDBC
3100-HF Unit SymbolParameter
VRRM
VDC
VRMS
20
20
14
40
40
28
60
60
42
100
100
70
V
V
V
Max. instantaneous forward voltage @
3.0A, TA=25°C VF0.45 0.50 0.70 0.81 V
Operating Temperature TJ-50 to +150 °C
Company reserves the right to improve product design , functions and reliability without notice.
Circuit Diagram
Comchip Technology CO., LTD.
Page 2
REV: A
SMD Schottky Barrier Rectifiers
QW-JB032
RATING AND CHARACTERISTIC CURVES (CDBC320-HF thru. CDBC3100-HF)
Percent of Rated Peak Reverse Voltage, (%)
20012080 1600
Fig.5 - Typical Reverse Characteristics
0.01
0.1
1
10
100
Forward Voltage, ( V )
0.1
Fig.2 - Typical Forward Characteristics
0.01
0.1
1.0
10
100
0.9
Reverse Voltage, ( V )
0.01
Fig.4 - Typical Junction Capacitance
0
200
700
1 10 100
Ambient Temperature, (°C)
0
1.5
2.0
1.1 1.5
0 100 175
0.5
3.0
40
0.5 1.3
1.0
TJ=125°C
TJ=25°C
Number of Cycles at 60Hz
0
Peak Forward Surge Current, ( A )
60
100
1 10 100
20
80
40
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
25 50 75 150125
2.5
0.1
100
400
300
600
500
Average Forward Current, (A)
Pulse Width 300us
1% Duty Cycle
CDBC360-HF
CDBC3100-HF
TJ=25°C
0.7
0.3
Reverse Leakage Current, ( mA )
Junction Capacitance, (pF)
Fig.3 - Maximum Non-repetitive
Forward Surge Current
3.0
CDBC320-HF~CDBC340-HF
Instantaneous Forward Current, ( A )
Fig.1 - Typical Forward Current
Derating Curve
Company reserves the right to improve product design , functions and reliability without notice.
Comchip Technology CO., LTD.
Page 3
REV: A
SMD Schottky Barrier Rectifiers
QW-JB032
B C dD D2D1
SYMBOL
(mm)
(inch) 1.969 MIN.
8.00 ± 0.10
1.50 ± 0.10 50.0 MIN. 13.50 ± 0.50
4.00 ± 0.10 2.00 ± 0.10 16.00 ± 0.30 22.40 ± 1.00
330 ± 2.00
0.059 ± 0.004 12.99 ± 0.079 0.531 ± 0.020
SYMBOL
(mm)
(inch) 0.315± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.882 ± 0.039
E F P P0P1WW1
1.75 ± 0.10
0.069 ± 0.004
7.50 ± 0.10
0.295 ± 0.004
6.30 ± 0.10
0.248 ± 0.004
8.60 ± 0.10
0.339 ± 0.004
2.90 ± 0.10
0.114 ± 0.004
0.60 ± 0.10
0.236 ± 0.004
T
0.630 ±0.012
(SMC)
DO-214AB
(SMC)
DO-214AB
A
Reel Taping Specification
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
T
C
Direction of Feed
Index hole
d
E
F
B W
P
P0
P1
A
D1
D2
D
W1
Company reserves the right to improve product design , functions and reliability without notice.
Comchip Technology CO., LTD.
Page 4
REV: A
SMD Schottky Barrier Rectifiers
QW-JB032
A
B
C
E
D
Suggested PAD Layout
SIZE (inch)(mm)
E
A
B
C
D
DO-214AB (SMC)
0.272
6.90
2.50
3.30
0.098
0.130
9.40 0.370
4.40 0.173
Standard Packaging
Case Type
3,000
REEL
( pcs )
Reel Size
(inch)
13
REEL PACK
DO-214AB
(SMC)
Part Number
CDBC320-HF
Marking Code
Marking Code
CDBC340-HF
CDBC360-HF
CDBC3100-HF
320
340
360
3100
C
XXX
Comchip logo
PKG
SMA
SMB
SMC
A
B
C
Product type marking code
Package:
OOX 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
Company reserves the right to improve product design , functions and reliability without notice.
