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Power derating
Pinch-off current Temperature
0.05
0.5
1
2
5
10
20
50
100
200
0.1
0.2
0.5
1.0
2.0
5.0
10
20
0.05
0.5
1
2
5
10
20
50
100
200
0.1
0.2
0.5
1.0
2.0
5.0
10
20
E-562
E-452
E-352
E-272
E-202
E-152
E-102
E-701
E-501
E-301
E-101
E-101L
E-153
E-123
E-103
E-822
F-562
F-452
F-352
F-272
F-202
F-152
F-102
F-701
F-501
F-301
F-101
F-101L
F-153
F-123
F-103
F-822
400
350
300
250
200
150
100
50
0
20
40
60
80
100
120
140
160
180
Ambient temperature
E type
400
350
300
250
200
150
100
50
0
20
40
60
80
100
120
140
160
180
Ambient temperature
temperature
F type
CRD in parallel
The use of CRD in parallel increases their current
handling capabilities.
The compensation of current reduction due to self
heating
Placing resistors in parallel with CRD can correct
any current decrease when the applied voltage
increases. The following values are typical for
correction resistors.
Compensative resistor is not necessary if the
current value is less than 1 mA.
E-102
1M
E-152
390k
E-202
240k
E-272
120k
E-352
82k
E-452
56k
E-562
39k
Increasing the voltage range using a zener diode
Connecting zener diodes in series with the line ensures
that the current is constant in high-voltage area.
Dynamic characteristics (saturation characteristics)
0
Voltage (V)
V2
ZD
5
1
2
3
5
7
10
20
50
100
Voltage (V)
CRD
10
5
1.0
0.1
0.01
30
0
30
60
90
120
150
E-153
E-272
E-202
E-152
E-102
E-701
E-501
E-301
E-101
E-123
E-103
E-822
E-562
E-452
E-352
E-452
Voltage (V)
Voltage (V)
( C)
( C)
( C)
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