
30
C
RD
current to an electric circuit, even when 
power supply voltage fluctuations or load
impedance fluctuations occur.
CRD is used for current stabilization and
current limiting.
1.8 0.2
0.5 0.1
1.35 0.1
0
0
Solder-plated
Solder-plated
(Cathode mark)
Band 3
Band 2
Glass sleeve
3
3
2
Cathode
Anode
Cathode
Mark
Unit(mm)
F type
E type
100V
Voltage (V)
V
B
10V
V
K
V
R
I
R
I
P
0.8 I
P
C
Explanation of terms
I
P  :
Pinch-off current at 10V
V
K:
Voltage which produces
      0.8Ip or greater current
V
B:
Breakdown voltage
I
R  :
Permitted reverse current
Basic characteristics
Taping
There are three Types for taping.
Specifications
Part No.
lead
less
Minimum taping quantity for
Type 1   Roll..........5000pcs
              Box..........2500pcs
Type 2   4000pcs
Type 3   2500pcs
Maximum ratings
Maximum rating voltage
Part No.
Rating power
Thermal resistance
Reverse current
Operating temp
E101L E-562
E-822
E-103
E-123
E-153
Voltage
100V
30
30
30
25
E type
300mW
300 C/ W
F type
400mW
150 C/W
30 C 150 C
50mA
F101L F-562
F-822
F-103
F-123
F-153
Voltage
100V
50
42
34
28
Type 1
Type 3
20 0.5
0 2
3 0.5
6.35 0.5
26.3 0.5
13 2
5 0.8
12.7 0.3
4.0 0.3
0.2 0.05
1.7 0.1
1.7 0.1
4.0 0.1
4.0 0.1
2.0 0.05
18
Insulation
2.75 max.
1.0
0.5
1.5
0.1
0
Type 2
3
3
Pulling
direction
Part retaining
square hole
Feeding
round hole
8.0 0.3
1.75 0.1
3.5
0.05
3.7
0.1
Unit(mm)
Unit(mm)
Unit(mm)
*In principal elements are set with cathode side on the round
 hole side.
5 0.5
6 0.1
1.2 max.
1 max.
L
1
L
1
 L
2  
1.5
L
2
26 or 52
*1,*2 Pinch-off  current  limiting  current  are  measured  by  impulse  wave  at  25 C
*3 Z
T
  is  minimum  AC  impedance  when  small AC  signal  voltage  of  10KHz  is  added  tc  25 V
DC 
 bias.  Z
T
 is  used  as  the  reference  value.
*4 Temperature  coefficient  is  measured  between  25 C  and  50 C.
F-101L
F-101
F-301
F-501
F-701
F-102
F-152
F-202
F-272
F-352
F-452
F-562
F-822
F-103
F-123
F-153
E-101L
E-101
E-301
E-501
E-701
E-102
E-152
E-202
E-272
E-352
E-452
E-562
E-822
E-103
E-123
E-153
Light blue
Light blue
Light blue
Light blue
Light blue
Yellow green
Yellow green
Yellow green
Yellow green
Yellow green
Yellow green
Yellow green
Yellow green
Orange
Orange
Orange
White
Pink
Orange
Yellow green
Blue
Pink
Orange
Yellow green
Light blue
Blue
Purple
White
Yellow
Pink
White
Light blue
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
10V
1L
01
03
05
07
10
15
20
27
35
45
56
82
10
12
15
0.01 0.06
0.05 0.21
0.20 0.42
0.40 0.63
0.60 0.92
0.88 1.32
1.28 1.72
1.68 2.32
2.28 3.10
3.00 4.10
3.90 5.10
5.00 6.50
6.56 9.84
8.00 12.0
9.60 14.4
12.0 18.0
0.4
0.5
0.8
1.1
1.4
1.7
2.0
2.3
2.7
3.2
3.7
4.5
3.1
3.5
3.8
4.3
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
0.8lpmin.
8.00
6.00
4.00
2.00
1.00
0.65
0.40
0.25
0.15
0.10
0.07
0.04
0.32
0.17
0.08
0.03
   1.1 max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
    1.1max.
  *1.0max.
  *1.0max.
  *1.0max.
  *1.0max.
2.10
2.10
0.40
0.15
   0.00
0.10
0.13
0.15
0.18
0.20
0.22
0.25
0.25
0.25
0.25
0.25
0.10
0.10
0.20 
0.25 
0.32
0.37 
0.40
0.42
0.45
0.47
0.50
0.53
0.45
0.45
0.45
0.45
Part No.
Indication
F type
Band 2
Band 3
E
Type
Pinch-off current*
1
Limiting current*
2
Dynamic*
3
Test
Voltage
impedance
Z
T
(M )
Temperature
*
4
coefficient
(%/ C)
Limiting
current ratio
I
100V
/Ip*I
30V
/Ip
with
lead
Ip(mA)
V
K
(V)
I
K
(mA)