Small Signal Schottky Diodes
CDBW46-G
+
Reverse Voltage: 100 Volts
Forward Current: 150 mA
RoHS Device
-
SOD-123
Features
- Design for mounting on small surface.
- High breakdown voltage.
- Low turn-on voltage.
- Guard ring construction for transient protection.
0.152(3.85)
0.140(3.55)
-
0.067(1.70)
0.059(1.50)
0.110(2.80)
0.102(2.60)
Mechanical data
- Case: SOD-123, Molded plastic.
- Terminals: Solderable per MIL-STD-202, Method 208.
- Weight: 0.04 grams (approx.).
0.049(1.25)
0.041(1.05)
Circuit Diagram
1
+
0.026(0.65)
0.018(0.45)
0.006(0.15)
Max.
0.02(0.50) REF
0.004(0.10)
Max.
Dimensions in inches and (millimeters)
2
Maximum Ratings (at Ta=25°C unless otherwise noted)
Parameter
Conditions
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC blocking voltage
Forward continuous current
Symbol
Limits
Unit
VRRM
VRWM
VR
100
V
IF
150
mA
Repetitive peak forward current (Note 1)
@tp < 1.0s, Duty Cycle < 50%
IFRM
350
mA
Forward surge forward current (Note 1)
@tp < 10ms
IFSM
750
mA
PD
200
mW
RθJA
625
°C/W
Junction temperature
Tj
-55 to +150
°C
Storage temperature
TSTG
-55 to +150
°C
Power dissipation
Thermal resistance junction to ambient air
Electrical Characteristics (at Ta=25°C unless otherwise noted)
Parameter
Conditions
Symbol
Min
100
Typ
Max
Unit
Reverse breakdown voltage (Note 2)
IR = 100µA
VR
Forward voltage (Note 2)
If1 = 0.1mA
IF2 = 10mA
IF3 = 250mA
VF
0.25
0.45
1.0
V
Reverse voltage leakage current
VR1 = 1.5V
VR2 = 10V
VR3 = 50V
VR4 = 75V
IR
0.3
0.5
1
2
µA
Diode capacitance
VR = 0V, f = 1MHZ
VR = 1V, f = 1MHZ
CT
V
20
12
PF
Notes: 1.Part mounted on FR-4 board with recommended pad layout.
2.Short duration pulse test used to minimize self-heating effect.
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
Page 1
QW-BA018
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
Rating and Characteristic Curves (CDBW46-G)
Fig.2 - Typical Reverse Characteristics
Fig.1 - Typical Forward Characteristics
Instantaneous Reverse Current, IR (µA)
Instantaneous Forward Current, IF (mA)
10,000
1,000
TA=125°C
100
10
TA=85°C
1.0
TA=60°C
0.1
TA=25°C
0.01
TA=-55°C
0.001
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.8
1.6
1,000
TA=125°C
100
TA=85°C
10
1.0
TA=60°C
0.1
TA=25°C
0.01
0.001
TA=-55°C
0.0001
40
60
80
100
Instantaneous Reverse Voltage, VR (V)
Instantaneous Forward Voltage, VF (V)
Fig.3 - Total Capacitance vs.
Reverse Voltage
Fig.4 - Forward Current Derating
210
Average Forward Current, IF(AVE) (mA)
25
f = 1 MHz
Total Capacitance, CT (pF)
20
0
20
15
10
5
Note 1
180
150
120
90
60
30
0
1
0
5
10
15
20
25
30
0
DC Reverse Voltage, VR (V)
25
50
75
100
125
150
Ambient Temperature, TA (°C)
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
Page 2
QW-BA018
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
Reel Taping Specification
d
P0
P1
Index hole
T
E
F
W
B
C
P
A
12
o
0
D2
D1 D
W1
SOD-123
SOD-123
SYMBOL
A
B
C
d
D
D1
D2
(mm)
1.85 ± 0.10
3.94 ± 0.10
1.57 ± 0.10
1.55 + 0.10
178 ± 1.00
54.40 ± 0.40
13.0 ± 0.20
(inch)
0.073 ± 0.004
0.155 ± 0.004
0.062 ± 0.004
0.061 + 0.004
7.008 ± 0.039
2.142 ± 0.016
0.512 ± 0.008
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
8.00 + 0.30 /–0.10
9.50 ± 1.00
(inch)
0.069 ± 0.004
0.138± 0.002
0.158 ± 0.004
0.158 ± 0.004
0.079 ± 0.004
0.315 + 0.012 /–0.004
0.374 ± 0.039
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
Page 3
QW-BA018
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
Marking Code
Part Number
Marking Code
CDBW46-G
S9
S9
S9
= Cathode band
Solid dot = Control code
Suggested P.C.B. PAD Layout
SOD-123
D
SIZE
(mm)
(inch)
A
A
3.35
0.132
E
B
0.80
0.031
C
1.00
0.039
D
4.15
0.163
C
B
E
2.55
0.100
Note: 1.The pad layout is for reference purposes only.
Standard Packaging
REEL PACK
Case Type
SOD-123
REEL
Reel Size
( pcs )
(inch)
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:D
Page 4
QW-BA018
Comchip Technology CO., LTD.
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