CDSV3-4148-G

Small Signal Switching Diodes
CDSV3-4148-G/4448-G
Reverse Voltage: 75 Volts
Forward Current: 200 mA
RoHS Device
Features
SOT-323
-Design for mounting on small surface.
-High speed switching.
-High mounting capability, strong surge
withstand, high reliability.
-Also available in other standard case:
CDSF4148/4448 - 1005 size
CDSU4148/4448 - 0603 size
0.087(2.20)
0.070(1.80)
3
0.054(1.35)
0.045(1.15)
1
2
0.056(1.40)
0.047(1.20)
Mechanical data
0.006(0.15)
0.002(0.05)
-Case: SOT-323, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Approx. weight: 0.006 grams
0.087(2.20)
0.078(2.00)
0.044(1.10)
0.035(0.90)
Circuit diagram
3
0.004(0.10)max.
0.016(0.40)
0.008(0.20)
1
2
0.004(0.10)min.
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
(at Ta=25°C unless otherwise noted)
Parameter
Repetitive peak reverse voltage
Symbol
Conditions
CDSV34148-G
CDSV34448-G
Units
VRRM
75
V
Reverse voltage
VR
75
V
Forward current
IF
200
mA
Peak surge forward current
IFSM
Power dissipation
PD
Maximum forward voltage
VF
@IF=5mA
@IF=50mA
@IF=100mA
Maximum reverse current
IR
@VR=75V
@VR=25V
Maximum reverse recovery time
Trr
Typical diode capacitance
CJ
Maximum junction temperature
Storage temperature
T=1.0 μS
2
4
200
1
-
A
mW
0.72
1
V
2.5
0.025
μA
IF=IR=10mA, RL=100Ω
4
nS
VR=0V, f=1.0MHz
4
pF
TJ
125
°C
TSTG
-55 to +125
°C
REV:A
Page 1
QW-B0006
Comchip Technology CO., LTD.
Small Signal Switching Diodes
RATING AND CHARACTERISTIC CURVES (CDSV3-4148-G/4448-G)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
10μ
1000
Reverse Current, (A)
Forward Current, (mA)
O
100
O
TA=150 C
TA=-40 OC
O
TA=75 C
10
O
TA=0 C
TA=125 C
1μ
100n
TA=75 OC
10n
TA=25 OC
O
TA=0 C
O
TA=25 C
1n
1
O
TA=-40 C
0.1n
0
0.5
1.0
1.5
20
0
Fig.3 - Capacitance Between Terminals
Characteristics
80
60
100
Fig.4 - Power Derating Curve
2
300
Mounted on glass
epoxy PCBs
O
TJ=25 C
f=1MHz
Power Dissipation, (mW)
Capacitance Between Terminals,(pF)
40
Reverse Voltage, (V)
Forward Voltage, (V)
1
250
200
150
100
50
0
0
0
10
20
30
40
50
0
25
50
75
100
125
150
175
Ambient Temperature, (°C)
Reverse Voltage, (V)
REV:A
Page 2
QW-B0006
Comchip Technology CO., LTD.
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