SMD Schottky Barrier Rectifiers
Reverse Voltage: 40 to 100 Volts
Forward Current: 1.0 Amp
RoHS Device
Page 1
REV:B
Features
-Ultra high-speed switching.
Mechanical data
-Case: Molded plastic, DO-214AC / SMA
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-weight: 0.055 grams
CDBA140-HF Thru. CDBA1100-HF
QW-JB007
Comchip Technology CO., LTD.
-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.
Halogen Free
Maximum Ratings and Electrical Characteristics
Max. Repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Forward surge current
Reverse Current
Storage temperature
Units
Symbol
Parameter
VRRM
VDC
VRMS
V
V
V
A
A
mA
Max. instantaneous forward voltage
@1.0A, TA=25°C VF
CDBA
140-HF
40
40
28
0.50
CDBA
160-HF
60
60
42
0.70
CDBA
1100-HF
100
100
70
0.81 V
Operating Temperature TJ-50 to +150 °C
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
1.0
30
0.5
20
88
120
-50 +175
Ratings at Ta=25°C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Units
Company reserves the right to improve product design , functions and reliability without notice.
Dimensions in inches and (millimeter)
DO-214AC (SMA)
0.067 (1.70)
0.047 (1.20) 0.114 (2.90)
0.083 (2.10)
0.187 (4.75)
0.157 (4.00)
0.008(0.20)
0.003(0.08)
0.012 (0.30)
TYP.
0.224 (5.70)
0.185 (4.70)
0.061 (1.55)
0.030 (0.75)
0.098 (2.50)
0.067 (1.70)
QW-JB007
RATING AND CHARACTERISTIC CURVES (CDBA140-HF thru CDBA1100-HF)
Forward Voltage, (V)
Fig.2 - Typical Forward Characteristics
Ambient Temperature, (°C)
0
0.6
0.8
Comchip Technology CO., LTD.
Page 2
0 100 175
0.2
1.2
0.4
SMD Schottky Barrier Rectifiers
25 50 75 150125
1.0
Average Forward Current, (A)
Instantaneous Forward current, ( A )
0 0.4 1.41.20.2 0.6 0.8 1.0
0.1
1.0
100
CDBA160-HF
10
CDBA140-HF
Fig.1 - Typical Forward Current
Derating Curve
0
Percent of Rated Peak Reverse Voltage, (%)
Fig.5 - Typical Reverse Characteristics
Reverse Voltage, (V)
0.01
Fig.4 - Typical Junction Capacitance
0
100
350
1 10 100
Number of Cycles at 60Hz
Fig.3 - Maximum Non-repetitive Forward
0
P a F r adu g Cur et, )
e k o wr S r e r n(A
18
30
1 10 100
6
24
12
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
0.1
50
200
150
300
250
Reverse Leakage Current , (mA)
Junction Capacitance , (pF)
Surge Current
1408060 1200
0.1
10
100
20
0.01
40 100
TJ=125
°C
TJ=25 °C
1.0
CDBA1100-HF
Company reserves the right to improve product design , functions and reliability without notice.
Pulse Width 300us
1% Duty Cycle
TJ=25°C
REV:B
SMD Schottky Barrier Rectifiers
QW-JB007
Comchip Technology CO., LTD.
Page 3
Reel Taping Specification
B C dD D2D1
SYMBOL
(mm)
(inch) 2.441 MIN.
1.50 ± 0.10 62.0 MIN. 13.50 ± 0.50
330 ± 2.00
0.059 ± 0.004 12.99 ± 0.079 0.531 ± 0.020
2.70 ± 0.10
0.106 ± 0.004
5.30 ± 0.10
0.209 ± 0.004
2.66 ± 0.10
0.105 ± 0.004
(SMA)
DO-214AC
4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 12.0 ± 0.30 18.40 ± 1.00
SYMBOL
(mm)
(inch) 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.724 ± 0.039
E F P P0P1W W1
1.75 ± 0.10
0.069 ± 0.004
5.50 ± 0.10
0.217 ± 0.004
0.60 ± 0.10
0.236 ± 0.004
T
0.472 ± 0.012
(SMA)
DO-214AC
A
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. REV:B
QW-JB007
Comchip Technology CO., LTD.
Page 4
SMD Schottky Barrier Rectifiers
Suggested PAD Layout
SIZE
(inch)
0.157
(mm)
4.00
2.50
1.70
0.098
0.068
6.50 0.256
E1.50 0.060
A
B
C
D
DO-214AC (SMA)
A
B
C
E
D
Standard Packaging
Case Type
5,000
REEL
( pcs )
Reel Size
(inch)
13
REEL PACK
DO-214AC
(SMA)
Part Number Marking Code
Marking Code
CDBA140-HF
CDBA160-HF
CDBA1100-HF
140
160
1100
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
Company reserves the right to improve product design , functions and reliability without notice. REV:B
