SMD Schottky Barrier Rectifiers
CDBA240-HF Thru. CDBA2100-HF
Reverse Voltage: 40 to 100 Volts
Forward Current: 2.0 Amp
RoHS Device
Halogen Free
Features
-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.
-Ultra high-speed switching.
-Silicon epitaxial planar chip,metal silicon junction.
0.012 (0.30)
TYP.
0.187 (4.75)
0.157 (4.00)
0.067 (1.70)
0.047 (1.20)
0.114 (2.90)
0.083 (2.10)
DO-214AC (SMA)
Mechanical data
-Epoxy: UL94-V0 rate flame retardant.
-Case: Molded plastic, DO-214AC / SMA
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Indicated by cathode band.
-weight: 0.055 grams
Dimensions in inches and (millimeter)
0.098 (2.50)
0.067 (1.70)
0.061 (1.55)
0.030 (0.75)
0.008(0.20)
0.003(0.08)
0.224 (5.70)
0.185 (4.70)
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% .
Parameter
Max. Repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Max. instantaneous forward voltage @
2.0A, T
A
=25°C
Operating Temperature
Symbol
V
RRM
V
DC
V
RMS
V
F
T
J
CDBA
240-HF
40
40
28
0.50
CDBA
260-HF
60
60
42
0.70
-50 to +150
CDBA
2100-HF
100
100
70
0.81
Units
V
V
V
V
°C
Parameter
Forward rectified current
Forward surge current
Reverse Current
see Fig.1
Conditions
Symbol
I
O
I
FSM
I
R
I
R
R
θJA
C
J
T
STG
MIN.
TYP.
MAX.
2.0
50
0.5
20
Units
A
A
mA
mA
°C/W
pF
8.3ms single half sine-wave superimposed
on rate load (JEDEC method)
V
R
=V
RRM
T
A
=25°C
V
R
=V
RRM
T
A
=100°C
Thermal Resistance
Junction to ambient
50
30
-50
+175
Diode Junction capacitance f=1MH
Z
and applied 4V DC reverse Voltage
Storage temperature
°C
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB005
REV:C
Page 1
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
RATING AND CHARACTERISTIC CURVES (CDBA240-HF Thru. CDBA2100-HF)
Fig.1 - Typical Forward Current
Derating Curve
INSTANTANEOUS FORWARD CURRENT, (A)
50
Fig.2 - Typical Forward Characteristics
2.4
Average Forward Current , (A)
2.0
1.6
1.2
0.8
0.4
C
D
BA
24
BA
26
0-
H
F
10
0-
H
F
D
0.1
T=25
O
C
J
Pulse Width 300us
1% Duty Cycle
0
0
25
50
75
100
125
150
175
0.1
0.3
0.5
0.7
C
D
1.0
BA
2
0.9
10
0-
H
C
F
1.1
1.3
1.5
Ambient Temperature, (°C)
Forward Voltage, (V)
Fig.3 - Maximum Non-repetitive Forward
Surge Current
50
T
J
=25 C
8.3ms single half sine
wave, JEDEC method
O
Fig.4 - Typical Junction Capacitance
700
600
P e a k F o r w a r d S u r g e Cur r e n t, (A )
Junction Capacitance , (pF)
40
500
400
300
30
20
200
100
10
0
1
10
100
0
0.01
0.1
1
10
100
Number of Cycles at 60Hz
Reverse Voltage, (V)
Fig.5 - Typical Reverse Characteristics
100
Reverse Leakage Current , (mA)
10
1.0
T
J
=125 °C
0.1
T
J
=25 °C
0.01
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage, (%)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB005
REV:C
Page 2
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Reel Taping Specification
P
0
P
1
Index hole
d
E
T
F
B
P
A
W
C
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
10 pitches (min)
Device
.......
.......
.......
.......
Leader
.......
.......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
2.70
±
0.10
0.106
±
0.004
B
5.30
±
0.10
0.209
±
0.004
C
2.66
±
0.10
0.105
±
0.004
d
1.50
±
0.10
0.059
±
0.004
D
330
±
2.00
12.99
±
0.079
D
1
50.0 MIN.
1.969 MIN.
D
2
13.50
±
0.50
0.531
±
0.020
DO-214AC
(SMA)
(mm)
(inch)
SYMBOL
E
1.75
±
0.10
0.069
±
0.004
F
5.50
±
0.10
0.217
±
0.004
P
4.00
±
0.10
0.157± 0.004
P
0
4.00
±
0.10
0.157
±
0.004
P
1
2.00
±
0.10
0.079
±
0.004
T
0.60
±
0.10
W
12.0
±
0.30
0.472
±0.012
W
1
18.4
±
1.00
0.724
±
0.040
DO-214AC
(SMA)
(mm)
(inch)
0.024
±
0.004
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB005
REV:C
Page 3
Comchip Technology CO., LTD.
SMD Schottky Barrier Rectifiers
Marking Code
Part Number
CDBA240-HF
CDBA260-HF
CDBA2100-HF
Marking Code
240
260
Comchip logo
oo
Blank
L
LL
SL
Special code
Others
Low VF
Ultra Low VF
Super Low VF
Package:
C
B
OO X
2100
Cathod Band
XXX
X
A
B
C
PKG
SMA
SMB
SMC
Product type marking code
Schottky Diode
xxx/xxxx = Product type marking code
Suggested PAD Layout
DO-214AC (SMA)
D
A
E
SIZE
(mm)
A
B
C
D
E
4.00
2.50
1.70
6.50
1.50
(inch)
0.157
0.100
0.068
0.256
0.060
C
B
Standard Packaging
REEL PACK
Case Type
DO-214AC
(SMA)
REEL
( pcs )
Reel Size
(inch)
5,000
13
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB005
REV:C
Page 4
Comchip Technology CO., LTD.
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