SMD Schottky Barrier Diode
CDBS120-HF Thru. CDBS160-HF
Forward current: 1.0A
Reverse voltage: 20 to 60V
RoHS Device
Halogen Free
Features
-Low power loss, High efficiency.
-High current capability, low VF
-Plastic package has underwriters laboratory
flammability classification 94V-0.
0.040(1.00)
Typ.
0.055 (1.40)
0.047 (1.20)
R 0.011(0.275)
0805
0.083 (2.10)
0.075 (1.90)
Mechanical Data
-Case: Packed with FRP substrate and
epoxy underfilled.
-Terminals: Pure Tin plated (Lead-Free),solderable
per MIL-STD-750, method 2026.
-Polarity: Laser cathode band marking.
.
-Weight: 0.005 grams (approx).
0.022 (0.55)
0.014 (0.35)
0.039 (1.00)
0.028 (0.70)
0.022(0.55)
0.014(0.35)
Dimensions in inches and (millimeter)
Circuit diagram
Maximum Ratings
(At Ta=25°C, unless otherwise noted)
Parameter
Repetitive peak reverse voltage
Average forward current
Peak forward surge current
@8.3ms single half sine-wave
Operating junction temperature range
Storage temperature
Symbol
V
RM
I
F(AV)
I
FSM
T
J
T
STG
CDBS120-HF
20
CDBS140-HF
40
1
10
CDBS160-HF
60
Unit
V
A
A
-55 to +125
-55 ~ +150
-55 to +150
°C
°C
Electrical Characteristics
(At Ta=25°C, unless otherwise noted)
Parameter
Conditions
I
F
=0.1A
I
F
=0.5A
I
F
=1.0A
Forward voltage (Note1)
I
F
=0.1A
I
F
=0.5A
I
F
=1.0A
I
F
=0.1A
I
F
=0.5A
I
F
=1.0A
Reverse peak reverse current (Note1)
Junction capacitance
Type
CDBS120-HF
Symbol
Min.
-
-
-
-
-
-
-
-
-
Typ.
0.32
0.39
0.42
0.33
0.40
0.47
0.38
0.50
0.62
0.028
115
120
28
Max.
-
-
0.45
-
-
0.50
-
-
0.65
0.20
-
-
-
Unit
CDBS140-HF
V
F
V
CDBS160-HF
V
R
=Max.V
RRM
, T
a
=25°C
V
R
=4V, f=1.0MHz
Junction to ambient (Note 2)
I
RRM
Cj
R
ΘJA
R
ΘJL
-
-
-
-
mA
pF
ºC/W
ºC/W
Thermal resistance
Junction to lead (Note 2)
Notes: (1) Pulse test width pw=300usec, 1% duty cycle.
(2) Mounted on P.C. board with 0.2*0.2”(5.0*5.0mm) copper pad areas.
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB059
REV:A
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Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
RATING AND CHARACTERISTIC CURVES (CDBS120-HF Thru. CDBS160-HF)
Fig.1- Typical Forward Current Derating Curve
Average Forward Rectified Current, (A)
1.0
12
Fig.2- Maximum Non-Repetitive Peak
Forward Surge Current
Peak Forward Surge Current, (A)
8.3ms Single Half Sine-Wave
(JEDEC Method)
10
8
6
4
2
0
-HF
S120
CDB
-HF
S140
CDB
Thru
0-HF
S16
CDB
0.5
Resistive or inductive load
P.C.B Mounted on 0.2*0.2”(5.0*5.0mm)
Copper pad areas
0
0
25
50
75
100
125
150
175
1
10
100
Case Temperature, (°C)
Number of Cycles at 60Hz
Fig.3- Typical Instantaneous Forward
Characteristics
10
100
Fig.4- Typical Reverse Characteristics
Instantaneous Reverse Voltage, (mA)
Instantaneous forward current, (A)
10
T
J
=100°C
1.00
1.0
0.10
0.1
T
J
=25 C
O
0.01
CDBS120-HF
CDBS140-HF
CDBS160-HF
0.01
0.001
0.001
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
20
40
60
80
100
Instantaneous forward voltage, (V)
Percent of Rated Peak Reverse Voltage, (%)
Fig.5- Typical Junction Capacitance
400
T
J
=25 C
f=1MHz
V
sig
=50mVP-P
O
Junction Capacitance, (pF)
100
10
0.1
1
10
100
Reverse Voltage, (V)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB059
REV:A
Page 2
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
Reel Taping Specification
P
0
P
1
d
Index hole
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
1.45 ± 0.10
0.057 ± 0.004
B
2.25 ± 0.10
0.089± 0.004
C
1.10 ± 0.10
0.043 ± 0.004
d
1.50 ± 0.10
0.059 ± 0.004
D
178 ± 2.00
7.008 ± 0.079
D
1
60 ± 0.50
2.362 ± 0.020
D
2
13.50 ± 0.50
0.531± 0.020
0805
(mm)
(inch)
SYMBOL
E
1.75 ± 0.10
0.069 ± 0.004
F
3.50 ± 0.05
0.138 ± 0.002
P
8.00 ± 0.10
0.315 ± 0.004
P
0
4.00 ± 0.10
0.157 ± 0.004
P
1
2.00 ± 0.10
0.079 ± 0.004
W
8.00 ± 0.30
0.315 ± 0.012
W
1
9.0 ± 0.50
0.354 ± 0.02
0805
(mm)
(inch)
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB059
REV:A
Page 3
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
Marking Code
Cathode Mark
Part Number
CDBS120-HF
CDBS140-HF
CDBS160-HF
Marking Code
Amps Class
A
2.
A
4.
A
6.
A
X.
Halogen free type
X: Voltage class
(20V: 2 / 40V:4 / 60V:6)
Suggested PAD Layout
0805
SIZE
(mm)
A
B
C
D
0.90 MIN.
0.80 MIN.
1.30 MAX.
2.90 REF.
(inch)
0.035 MIN.
C
A
0.031 MIN.
0.051 MAX.
0.114 REF.
B
D
Standard Packaging
REEL PACK
Case Type
REEL
( pcs )
Reel Size
(inch)
0805
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
QW-JB059
REV:A
Page 4
Comchip Technology CO., LTD.
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