Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
“ZNR” Transient/Surge Absorbers (Type E/J)
RoHS compliant
“ZNR” Transient/Surge Absorbers,
For Thyristor Protection
Type : E
Type : J
As for Minimum Quantity / Packing Unit
Please see Related Information
“ZNR” Transient/Surge Absorber for thyristors is especially designed to protect SCR power controllers and
SCR power sources from high energy transient over voltages.
The ZNR is smaller in size and excellent in the clamping voltage characteristics as compared with a
conventional selenium surge absorber.
Type E is for relatively low handling capacity of trans-former and Type J is for heavy duty use.
Recommended Applications
Surge protection of SCR power controllers
Surge protection of SCR power sources
SCR = Silicone Controlled Rectifi ers
Note : Ask our factory for Product Speci cation before use.
Type E
Type J
May. 201905
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
“ZNR” Transient/Surge Absorbers (Type E/J)
24
ISO
M4
L
W
12
H
ZNR
5
4.3
14
Part No.
Date code
Dot
“ZNR” Transient/Surge Absorbers, Type E
Part No.
Varistor
Voltage
Maximum
Allowable
Voltage
Maximum
Clamping
Voltage
Impulse Life
(2 ms, 104 times)
Commutation
Surge Ratio
V1 mA (V)
ACrms (V)
DC (V) VIp (V) Ip (A) (A)
ERZC20EK511P 498 to 542 242 342 760
10 10
1.45
ERZC20EK541P 523 to 560 264 373 785 1.40
ERZC20EK681P 630 to 678 330 467 950 1.35
ERZC20EK821P 788 to 848 412 583 1185 1.35
ERZC20EK911P 840 to 904 440 622 1265 1.35
ERZC20EK102P 945 to 1017 495 700 1425 1.35
ERZC20EK112P 1051 to 1181 550 775 1655 1.35
ERZC32EK511P 498 to 542 242 342 760
20 20
1.45
ERZC32EK541P 523 to 560 264 373 785 1.40
ERZC32EK681P 630 to 678 330 467 950 1.35
ERZC32EK821P 788 to 848 412 583 1185 1.35
ERZC32EK911P 840 to 904 440 622 1265 1.35
ERZC32EK102P 945 to 1017 495 700 1425 1.35
ERZC32EK112P 1051 to 1181 550 775 1655 1.35
Part No. W H L
ERZC20EK□□□P48±1 42±1 39±1
ERZC32EK□□□P60±1 55±1 51±1
Ratings and Characteristics (Type E)
Operating Temperature Range : –40 to 85 °C
Storage Temperature Range : –40 to 110 °C
Dimensions in mm (not to scale) (Type E)
(Unit : mm)
May. 201905
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
“ZNR” Transient/Surge Absorbers (Type E/J)
A
B
20
46
22
14 3
6.5
104±1
M4
60
C
141±1
N.P.
20
46
22
14 3
6.5
A
B
104±1
M4
60
C
122±1
N.P.
Style (1) Style (2)
Part No.
Connection
Maximum
Allowable
Voltage
Maximum
Clamping
Voltage
Impulse Life
(2 ms,
104 times)
Commutation
Surge Ratio
Dimensions in mm
ACrms
(V)
DC
(V)
VIp
(V)
Ip
(A) (A) Style A B C
ERZU11JP511
Single 242 342 760
40 40
1.45 (1)
88 108
20
EZRU12JP511 70 70 104 124
ERZU13JP511 95 95 121 141
ERZU14JP511 125 125 138 158
ERZU15JP511 150 150 155 175
ERZU16JP511 180 180 172 192
ERZU17JP511 210 210 189 209
ERZU11JP511B
Delta 242 760
40 40
1.45 (2)
120 140
20
ERZU12JP511B 70 70 169 189
ERZU13JP511B 95 95 219 239
ERZU14JP511B 125 125 260 280
ERZU11JP541
Single 264 373 785
40 40
1.40 (1)
88 108
20
ERZU12JP541 70 70 105 125
ERZU13JP541 95 95 122 142
ERZU14JP541 125 125 139 159
ERZU15JP541 150 150 156 176
ERZU16JP541 180 180 172 192
ERZU17JP541 210 210 189 209
ERZU11JP541B
Delta 264 785
40 40
1.40 (2)
121 141
20
ERZU12JP541B 70 70 171 191
ERZU13JP541B 95 95 221 241
ERZU14JP541B 125 125 270 290
“ZNR” Transient/Surge Absorbers, Type J
Ratings and Characteristics (Type J)
Operating Temperature Range : –40 to 70 °C
Storage Temperature Range : –40 to 110 °C
Dimensions in mm (not to scale)
(Unit : mm)(Unit : mm)
May. 201905
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
“ZNR” Transient/Surge Absorbers (Type E/J)
Part No.
Connection
Maximum
Allowable
Voltage
Maximum
Clamping
Voltage
Impulse Life
(2 ms,
104 times)
Commutation
Surge Ratio
Dimensions in mm
ACrms
(V)
DC
(V)
VIp
(V)
Ip
(A) (A) Style A B C
ERZU21JP102
Single 484 684 1520
40 40
1.45 (1)
102 122
20
ERZU22JP102 70 70 135 155
ERZU23JP102 95 95 168 188
ERZU24JP102 125 125 199 219
ERZU25JP102 150 150 230 250
ERZU26JP102 180 180 261 281
ERZU21JP102B Delta 484 1520 40 40 1.45 (2) 166 186 20
ERZU22JP102B 70 70 261 281
ERZU21JP112
Single 528 746 1570
40 40
1.40 (1)
103 123
20
ERZU22JP112 70 70 136 156
ERZU23JP112 95 95 169 189
ERZU24JP112 125 125 200 220
ERZU25JP112 150 150 232 252
ERZU26JP112 180 180 264 284
ERZU21JP112B Delta 528 1570 40 40 1.40 (2) 168 188 20
ERZU22JP112B 70 70 264 284
ERZU21JP132F
Single 660 933 1900
40 40
1.35 (1)
149 169
40
ERZU22JP132F 70 70 182 202
ERZU23JP132F 95 95 214 234
ERZU24JP132F 125 125 246 266
ERZU25JP132F 150 150 278 298
ERZU26JP132F 180 180 310 330
ERZU21JP132H Delta 660 1900 40 40 1.35 (2) 213 233 40
ERZU22JP132H 70 70 309 329
ERZU21JP162F
Single 825 1167 2375
40 40
1.35 (1)
150 170
40
ERZU22JP162F 70 70 184 204
ERZU23JP162F 95 95 218 238
ERZU24JP162F 125 125 252 272
ERZU25JP162F 150 150 286 306
ERZU26JP162F 180 180 320 340
ERZU21JP162H Delta 825 2375 40 40 1.35 (2) 217 237 40
ERZU22JP162H 70 70 317 337
ERZU21JP192F
Single 990 1400 2850
40 40
1.35 (1)
152 172
40
ERZU22JP192F 70 70 187 207
ERZU23JP192F 95 95 222 242
ERZU24JP192F 125 125 257 277
ERZU25JP192F 150 150 292 312
ERZU26JP192F 180 180 327 347
ERZU21JP192H Delta 990 2850 40 40 1.35 (2) 222 242 40
ERZU22JP192H 70 70 327 347
ERZU21JP222F
Single 1100 1550 3325
40 40
1.35 (1)
154 174
40
ERZU22JP222F 70 70 190 210
ERZU23JP222F 95 95 227 247
ERZU24JP222F 125 125 264 284
ERZU21JP222H Delta 1100 3325 40 40 1.35 (2) 227 247 40
ERZU31JP252F
Single 1320 1867 3800
40 40
1.35 (1)
167 187
40
ERZU32JP252F 70 70 218 238
ERZU33JP252F 95 95 269 289
ERZU34JP252F 125 125 320 340
ERZU31JP252H Delta 1320 3800 40 40 1.35 (2) 266 288 40
May. 201905
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