FUJI Ceramic Surge Absorbers
Z-TRAP
ENE series
50 to 300V AC(Ta=25
°C
)
Features
·Excellent clamping characteristics
·High discharge current capability up to 6500Amps
·Remarkably symmetrical V-I characteristics
·UL: recognized (UL1:UL1414 file No.E66188,UL2:UL1449,file No.E123894
UL3:UL497B,file No.E185638), CSA recognized (C22.2 No.1 file No.LR98228)
VDE(Licence No. 119446)
Ratings and characteristics
Device
type
Maximum ratings
Applied voltage *1 Transient
RMS
DC
Energy Average Peak
50Hz/60Hz
*2
power
current*3
dissipation (8/20µs)
Vacm
[Volts]
Vdcm
[Volts]
Wtm
[Joules]
Ptam
[Watts]
Itm
[Amps]
Characteristics
Nominal varistor *4
voltage
Max. Clamping *5
voltage @test
current
(8/20µs)
Vc
[Volts]
Ip
[Amps]
Typical
capaci-
tance
Standards
Tolerance
Vnom Min.
Max
[Volts] [Volts] [Volts]
f=1kHz
[pF]
VDE
UL3
ENE820D-05A
ENE820D-07A
ENE820D-10A
ENE820D-14A
ENE820D-20A
ENE101D-05A
ENE101D-07A
ENE101D-10A
ENE101D-14A
ENE101D-20A
ENE121D-05A
ENE121D-07A
ENE121D-10A
ENE121D-14A
ENE121D-20A
ENE151D-05A
ENE151D-07A
ENE151D-10A
ENE151D-14A
ENE151D-20A
50
65
60
85
75
100
95
125
2.5
5.0
10.0
20.0
40.0
3.0
6.0
12.0
25.0
50.0
3.5
7.0
14.5
30.5
60.0
4.5
9.0
18.0
37.5
75.0
0.1
0.25
0.4
0.6
1.0
0.1
0.25
0.4
0.6
1.0
0.1
0.25
0.4
0.6
1.0
0.1
0.25
0.4
0.6
1.0
700
1350
2750
5500
7000
700
1350
2750
5500
7000
700
1350
2750
5500
7000
700
1350
2750
5500
7000
82
74
90
100
90
110
120
108
132
150
135
165
145
135
135
135
135
175
165
165
165
165
210
200
200
200
200
260
250
250
250
250
5
10
25
50
100
5
10
25
50
100
5
10
25
50
100
5
10
25
50
100
400
800
1500
3000
6000
350
700
1500
3000
6000
350
700
1300
2600
5200
250
500
1000
2000
4000
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Operating ambient temperature: -40°C to +85°C
Storage temperature: -40°C to +125°C
*1 The waveform of the maximum DC applied voltage is flat.
*3 Transient peak current (Itm)
When a ripple voltage as from a rectifier source applied. make
The peak current rating, Itm, is based on 8/20µs test impulse
sure the peak voltage is within the Vdcm rating.
waveform. This peak current is the maximum peak current at
The AC applied voltage (50/60Hz) is sine waveform.
which the nominal varistor voltage shift dose not exceed ±10%
When waveform distortion is extensive, make sure that peak
when the test impulse is applied twice at a 5 minute interval.
voltage is less than 2 times the Vacm rating.
*4 Nominal varistor voltage: Vnom
*2 Energy Wtm
Indicates the varistor terminal voltage measured with 1mA DC
Transient energy rating are given in the Wtm column in Joules
applied(V
1mA
). For 0.5A types,0.1mA DC applied(V
0.1mA
)
(Watt-second). The rating is the maximum allowable energy of
*5 Maximum clamping voltage: Vc
a single 2ms square-waveform impulse current continuously
Indicates the peak terminal voltage measured with 8/20µs
applied. Energy ratings are based on a shift of Vnom of less
impulse current applied.
than ±10% of the initial value.
Z-TRAP
FUJI Ceramic Surge Absorbers
Characteristic curves (Typical)
Transient V-I characteristic curves
(ENE820D-05A to ENE471D-05A)
ENE series 50 to 300V AC(Ta=25°C)
2000
Max. idle current
Max. clamping voltage
ENE471D-05A
ENE431D-05A
ENE391D-05A
ENE361D-05A
ENE271D-05A
ENE241D-05A
ENE221D-05A
ENE201D-05A
5A
71D-0
ENE4
A
1D-05
NE431D-05A
E
9
ENE3
5A
61D-0
ENE3
5A
71D-0
ENE2 D-05A
41
ENE2 1D-05A
2
ENE2
A
1D-05
ENE20
A
1D-05
ENE15
1000
900
800
700
600
500
Voltage [V]
400
300
200
ENE151D-05A
ENE121D-05A
ENE101D-05A
ENE820D-05A
100
90
80
70
60
50
40
-6
10
A
1D-05
ENE12
-05A
1D
ENE10
A
0D-05
ENE82
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
700
Current
[A]
Transient V-I charactristic curves
(ENE820D-07A to ENE471D-07A)
2000
Max. idle current
Max. clamping voltage
ENE471D-07A
ENE431D-07A
ENE391D-07A
ENE361D-07A
ENE271D-07A
ENE241D-07A
ENE221D-07A
ENE201D-07A
ENE151D-07A
7A
71D-0
ENE4
A
1D-07
NE43 D-07A
E
91
ENE3 61D-07A
ENE3
7A
71D-0
ENE2
-07A
E241D -07A
EN 21D
ENE2
A
1D-07
ENE20
A
1D-07
ENE15
7A
1D-0
ENE12
D-07A
NE101
E
A
0D-07
ENE82
1000
900
800
700
600
500
Voltage [V]
400
300
200
ENE121D-07A
ENE101D-07A
ENE820D-07A
100
90
80
70
60
50
40
-6
10
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
1350
Current [A]
Transient V-I charactristic curves
(ENE820D-10A to ENE471D-10A)
2000
Max. idle current
Max. clamping voltage
ENE471D-10A
ENE431D-10A
ENE391D-10A
ENE361D-10A
ENE271D-10A
ENE241D-10A
ENE221D-10A
ENE201D-10A
ENE151D-10A
ENE121D-10A
ENE101D-10A
ENE820D-10A
1000
900
800
700
600
500
Voltage [V]
400
300
200
-10A
471D
ENE 1D-10A
NE43
-10A
E
91D
ENE3
1D-10A
36
ENE
-10A
271D A
0
ENE
1D-1
NE24 -10A
E
221D
ENE 1D-10A
20
ENE
-10A
151D
ENE
-10A
121D
ENE
0A
01D-1
1
ENE
A
D-10
820
ENE
100
90
80
70
60
50
40
-6
10
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
2750
Current [A]
Z-TRAP
FUJI Ceramic Surge Absorbers
Transient V-I characteristic curves
(ENE820D-14A to ENE471D-14A)
ENE series 50 to 300V AC(Ta=25°C)
2000
Max. idle current
Max. clamping voltage
ENE471D-14A
ENE431D-14A
ENE391D-14A
ENE361D-14A
ENE271D-14A
ENE241D-14A
ENE221D-14A
ENE201D-14A
ENE151D-14A
A
D-14
A
471
ENE
431D-14
ENE
4A
-1
391D
ENE 1D-14A
36
ENE
-14A
271D A
ENE
-14
241D -14A
ENE 21D
NE2
E
-14A
201D
ENE
-14A
151D
ENE
-14A
121D
ENE
4A
01D-1
1
ENE
-14A
820D
ENE
1000
900
800
700
600
500
400
Voltage [V]
ENE121D-14A
ENE101D-14A
ENE820D-14A
300
200
100
90
80
70
60
50
40
-6
10
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
5500
Current [A]
Transient V-I characteristic curves
2000
(ENE820D-20A to ENE471D-20A)
Max. idle current
Max. clamping voltage
ENE471D-20A
ENE431D-20A
ENE391D-20A
ENE361D-20A
ENE271D-20A
ENE241D-20A
ENE221D-20A
ENE201D-20A
ENE151D-20A
ENE121D-20A
A
D-20
471
ENE
1D-20A
E43 -20A
EN 91D
3
A
ENE361D-20
ENE
0A
-2
271D 0A
ENE
-2
241D
A
ENE 221D-20
ENE 1D-20A
E20
EN
-20A
151D
ENE
-20A
121D
ENE
-20A
101D
ENE
-20A
820D
ENE
1000
900
800
700
600
500
Voltage [V]
400
300
200
ENE101D-20A
ENE820D-20A
100
90
80
70
60
50
40
-6
10
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
7000
Current [A]
Pulse lifetime ratings
05A series (ENE820D-05A to ENE471D-05A)
1000
lse
pu
1-
100
2
Rated peak current [A]
10
10
10
10
6
10
10
10
4
2
3
5
1
0.1
20
100
1000
10000
Impulse duration [
µ
s]
Z-TRAP
FUJI Ceramic Surge Absorbers
ENE series 50 to 300V AC(Ta=25°C)
Pulse lifetime ratings
07A series (ENE820D-07A to ENE471D-07A)
10000
Pulse lifetime ratings
10A series (ENE820D-10A to ENE471D-10A)
10000
Rated peak pulse current [A]
Rated peak pulse current [A]
1000
lse
pu
1-
2
10
10
10
2
1000
lse
pu
1-
10
10
10
2
2
100
100
3
10
4
10
10
5
6
3
10
4
10
5
10
6
10
10
1
20
1
100
1000
Impulse duration [
µ
s]
10000
20
100
1000
10000
Impulse duration [
µ
s]
Pulse lifetime ratings
14A series (ENE820D-14A to ENE471D-14A)
10000
Pulse lifetime ratings
20A series (ENE820D-20A to ENE471D-20A)
10000
1-
pu
lse
1-
pu
lse
2
1000
2
Rated peak pulse current [A]
1000
10
10
2
10
3
Rated peak pulse current [A]
10
10
2
100
10
3
100
10
4
10
5
10
6
10
4
10
5
10
6
10
10
1
20
100
1000
10000
1
20
100
1000
10000
Impulse duration [
µ
s]
Impulse duration [
µ
s]
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