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Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
Maximum Ratings (at TA=25ºC unless otherwise specified)
Electrical Ratings (at TA=25ºC unless otherwise specified)
Small Surface Mounting Type
High Speed
High Reliability with High Surge Current Handling
Capability.
Features:
Reverse Voltage: 80 Volts
Forward Current: 100 mA
CDSP400-G (RoHS Device)
SMD Switching Diode
Case: Molded plastic SOD-723
Terminals: Solderable per MIL-STD-750, Method
2026.1.
Polarity: Indicated by cathode band.
Mounting position: Any.
Marking: 7
Mechanical Data:
“-G” suffix designated RoHS compliant version
Parameter
DC reverse voltage
Mean rectifying current
Peak forward current
Junction temperature
Storage temperature
Peak reverse voltage
Surge current Tp=1S
Symbol
VR
Io
IFM
TJ
Tstg
VRM
Isurge
Limits
80
100
225
125
-55~+125
90
500
Unit
V
mA
A
ºC
ºC
V
mA
Parameter
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
Symbol
V
F
I
R
C
T
T
rr
Min. Max.
1.2
0.1
3.0
4.0
Typ. Unit
V
μA
pF
nS
Conditions
I
F
=100mA
V
R
=80V
V
R
=0.5V, f=1MHz
V
R
=6V, I
F
=10mA, R
L
=100Ω
A
A1
b
c
D
E
E1
E2
L
0.021
0.020
0.010
0.003
0.022
0.035
0.051
0.001
0.026
0.023
0.014
0.006
0.026
0.043
0.059
0.003
0.525
0.515
0.250
0.080
0.550
0.900
1.300
0.010
0.650
0.580
0.350
0.150
0.650
1.100
1.500
0.070
Inches Millimeters
Symbol Min. Max. Min. Max.
7º REF 7º REF
0.200 REF0.008 REF
θ
+-
E
E1
E2
b
D
A
A1
Lc
θ
θ
SOD-723
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Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
CDSP400-G (RoHS Device)
SMD Switching Diode
“-G” suffix designated RoHS compliant version
Rating and Characteristic Curves
Fig. 1 Forward characteristics
Forward Voltage (V)
Forward Current (A)
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
1
100m
10m
1m
100μ
10μ
Fig. 2 Capacitiance between
terminals
Reverse Voltage (V)
Capacitance between Terminals (pF)
0 2 4 6 8 10 12 14
10
5
2
1
0.5
0.2
0.1
-25ºC
25ºC
75ºC
125ºC
Fig. 3 Reverse characteristics
Fig. 5 Reverse recovery
time characteristics
Reverse Voltage (V)
Reverse Current (A)
0 20 40 60 80 100 120
1m
100μ
10μ
1μ
100n
10n
1n
Fig. 4 Surge current charavteristics
Pulse Width (mS)
Surge Current (A)
0 1 10 100 1000 10000
100
10
1
Fig. 6 Reverse recovery time (t
rr
)
measurement circuit
Forward Current (mA)
Reverse Recovery Time (nS)
0 10 20 30
3
2
1
0
25ºC
75ºC
125ºC
Pulse
Single pulse
Pulse Generator
Output 50Ω
Sampling
Oscilloscope
50Ω
50kΩ
0.01μFD.U.T.
