Z-TRAP
FUJI Ceramic Surge Absorbers
ENE series
385 to 1000V AC(Ta=25°C)
Features
·Excellent clamping characteristics
·High discharge current capability up to 6500Amps
·Remarkably symmetrical V-I characteristics
·UL recognized (UL1414 file No.E66188),
CSA recognized (C22.2 No.1 file No.LR98228)
Ratings and characteristics
Device
type
Maximum ratings
Applied voltage *1 Transient
RMS
DC
Energy *2 Average Peak *3
50Hz/60Hz
power
current
dissipation (8/20µs)
Vacm
[Volts]
ENE621D-10A 385
ENE621D-14A
ENE621D-20A
ENE681D-10A 420
ENE681D-14A
ENE681D-20A
ENE751D-10A 460
ENE751D-14A
ENE751D-20A
ENE781D-10A 485
ENE781D-14A
ENE781D-20A
ENE821D-10A 510
ENE821D-14A
ENE821D-20A
ENE911D-10A
550
ENE911D-14A
ENE911D-20A
ENE102D-10A 625
ENE102D-14A
ENE102D-20A
ENE112D-10A
680
ENE112D-14A
ENE112D-20A
ENE182D-10A 1000
ENE182D-14A
Vdcm
[Volts]
Wtm
[Joules]
505
67
136
273
67
136
273
70
150
300
75
155
310
80
165
325
90
180
360
100
200
400
110
220
440
183
360
560
615
640
670
745
825
895
1465
Ptam
[Watts]
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
1.0
0.4
0.6
Characteristics
Nominal varistor *4
voltage
Tolerance
Min.
Max
[Volts]
[Volts]
Itm
[Amps]
Vnom
[Volts]
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
620
558
682
680
612
748
種
機
型
廃
750
675
780
702
858
738
902
910
819
1001
1000
900
1100
1100
990
1210
1800
1700
1980
d
e
nu
i
t
con
s
Di
Max. Clamping *5
voltage @test
current
(8/20µs)
820
825
Vc
[Volts]
Ip
[Amps]
1025
1025
1025
1120
1120
1120
1240
1240
1240
1290
1290
1290
1355
1355
1355
1500
1500
1500
1650
1650
1650
1815
1815
1815
2970
2970
25
50
100
25
50
100
25
50
100
25
50
100
25
50
100
25
50
100
25
50
100
25
50
100
25
50
ct.
u
rod
p
Typical
capacitance
f=1kHz
[pF]
270
550
1100
250
500
1000
220
450
900
220
440
880
210
420
840
180
380
750
180
350
700
150
300
600
200
400
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.
(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.
