CDBV3-40-G

Small Signal Schottky Diodes
CDBV3-40/S/C/A-G
Reverse Voltage: 40 Volts
Forward Current: 200 mA
RoHS Device
SOT-323
Features
-Design for mounting on small surface.
0.087(2.20)
0.079(2.00)
-High speed switching application, circuit
protection.
3
0.053(1.35)
0.045(1.15)
-Low turn-on voltage.
1
Mechanical data
2
0.055(1.40)
0.047(1.20)
-Case: SOT-323, molded plastic.
0.006(0.15)
-Terminals: solderable per MIL-STD-750,
method 2026.
0.003(0.08)
0.043(1.10)
0.096(2.45)
0.035(0.90)
-Approx. weight: 0.006 grams
0.085(2.15)
Circuit diagram
0.016(0.40)
3
1
3
2
CDBV3-40-G
Marking Code:43
1
3
2
CDBV3-40S-G
Mark Code:44
1
3
2
1
CDBV3-40C-G
Marking Code: 45
0.008(0.20)
2
0.004(0.10)
0.000(0.00)
0.018(0.46)
0.010(0.26)
Dimensions in inches and (millimeter)
CDBV3-40A-G
Marking Code: 46
Maximum Ratings (at Ta=25°C unless otherwise noted)
Parameter
Symbol
Value
Units
VRRM
VRWM
VR
40
V
Forward continuous current
IFM
200
mA
Peak surge forward current (T=1.0sec)
IFSM
0.6
A
Power dissipation
PD
150
mW
RθJA
833
Junction temperature
TJ
125
O
C
Storage temperature
TSTG
-65 to +125
O
C
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC blocking voltage
Thermal resistance, junction to ambient
O
C/W
Electrical Characteristics (at Ta=25°C unless otherwise noted)
Parameter
Reverse breakdown voltage
Symbol
Conditions
Min.
Max.
40
Units
VBR
IR=10μA
Reverse voltage leakage current
IR
VR=30V
200
nA
Forward voltage
VF
IF=1mA
IF=40mA
380
1000
mV
Diode capacitance
CD
VR=0V, f=1.0MHz
5
pF
Reverse recovery time
Trr
Irr=1mA, IF=IR=10mA,
RL=100Ω
5
nS
Company reserves the right to improve product design , functions and reliability without notice.
V
REV:B
Page 1
QW-BA005
Comchip Technology CO., LTD.
Small Signal Schottky Diodes
RATING AND CHARACTERISTIC CURVES (CDBV3-40/S/C/A-G)
Fig.1 Forward Characteristics
Fig.2 Reverse Characteristics
1000
10000
TA=125 OC
Rev er s e Curr e nt (n A)
F o r w a r d C u r rent ( mA)
1000
100
TA=125 OC
10
O
TA=-40 C
TA=0 OC
TA=25 OC
1
TA=75 OC
0.1
O
TA=75 C
100
10
TA=25 OC
1
TA=-40 C
TA=0 OC
O
0.1
0
0.2
0.4
0.6
0.8
10
0
1.0
Forward Voltage (V)
Fig.3 Capacitance Between Terminals
Characteristics
40
30
50
Fig.4 Power Derating Curve
5
400
O
TJ=25 C
f=1MHz
Mounted on glass
epoxy PCBs
4
Pow er Dis sipation (mW)
Capac i ta n c e Bet w een Te rmin a ls (p F )
20
Reverse Voltage (V)
3
2
1
300
200
100
0
0
0
10
20
30
40
50
60
70
0
25
50
75
100
125
Ambient Temperature (
Reverse Voltage (V)
Company reserves the right to improve product design , functions and reliability without notice.
O
150
175
C)
REV:B
Page 2
QW-BA005
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Reel Taping Specification
P1
F
E
d
P0
W
B
3
XXX
1
2
C
A
P
12
o
0
D2
D1
D
W1
SOT-323
SOT-323
SYMBOL
A
B
C
d
D
D1
D2
(mm)
2.25 ± 0.05
2.55 ± 0.05
1.19 ± 0.05
1.55 ± 0.10
178 ± 2.00
54.40 ± 1.00
13.00 ± 1.00
(inch)
0.089 ± 0.002
0.100 ± 0.002
0.047 ± 0.002
0.061 ± 0.004
7.008 ± 0.079
2.142 ± 0.039
0.512 ± 0.039
SYMBOL
E
F
P
P0
P1
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.10
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
8.00 + 0.30 /–0.10
12.30 ± 1.00
(inch)
0.069 ± 0.004
0.138 ± 0.004
0.157 ± 0.004
0.157 ± 0.004
0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 3
QW-BA005
Comchip Technology CO., LTD.
Small Signal Switching Diodes
Marking Code
3
Part Number
Marking Code
CDBV3-40-G
43
CDBV3-40S-G
44
CDBV3-40C-G
45
CDBV3-40A-G
46
XX
1
2
xx/ xxx = Product type marking code
Suggested PAD Layout
B
SOT-323
SIZE
(mm)
(inch)
A
0.80
0.031
B
0.50
0.020
C
1.30
0.051
D
2.20
0.087
A
D
C
Standard Packaging
REEL PACK
Case Type
SOT-323
REEL
Reel Size
( pcs )
(inch)
3,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 4
QW-BA005
Comchip Technology CO., LTD.
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