Page 1
SPECIFICATIONS
PRODUCT：
VARISTOR
TYPE：
GNR34S□□□
□□□□□□
□□□K
MODEL：
M
CITATION：
REVISION：
B01
TOTAL PAGES：
5
PAGE：
1/5
RELEASED DATE：
Feb. 06, 2002
REVISION HISTORY
NO REV. DATE DCR NO. DESCRIPTION OF CHANGE REV.
1
Feb. 06,2002
NEW RELEASE B01
2
3
4
5
6
7
8
9
10
11
12
Approved by Checked by Edited by
Yu-Chang Huang Cloud Chen Andy Chiang
Page 2
TYPE
GNR34S□□□
□□□□□□
□□□K
MODEL
M
PAGE 2/5
CITATION
DATE
Feb. 06, 2002
SUBJECT
QUALITY APPROVAL and STRUCTURE
REV.
B01
1. QUALITY SYSTEM APPROVAL
ISO9001 Certificate of approval No.97-HOU-AQ-1382
2. STRUCTURE
NO. ITEM DESCRIPTION
2.1 Main Material Zinc Oxide
2.2 Coating Material Epoxy Resin
2.3 Marking GNR, Part number
2.4 Appearance Without dirt and crack, marking should be clear
W(max.) 44.0
H(max.) 56.6
T(max.)
＊
＊＊
＊(1)
F
25.4± 0.5
T
0.5± 0.1
L(min.) 16.5
C(max.) 3.18
W1(max.) 7.0
2.5 Dimensions
Unit: mm
＊＊＊＊(1) See Page 3, Dimensions Table
Page 3
TYPE
GNR34S□□□
□□□□□□
□□□K
MODEL
M
PAGE 3/5
CITATION
DATE
Feb. 06, 2002
SUBJECT
DIMENSIONS TABLE
REV.
B01
Part No. T
max.
34S201K 7.8
34S221K 8.0
34S241K 8.2
34S271K 8.6
34S331K 9.0
34S361K 9.3
34S391K 9.6
34S431K 10.0
34S471K 10.5
34S511K 10.7
34S561K 11.1
34S621K 11.4
34S681K 11.9
34S751K 12.5
34S781K 12.7
34S821K 13.2
34S911K 14.0
34S951K 14.5
34S102K 15.0
34S112K 16.0
Unit:mm
Page 4
TYPE
GNR34S□□□
□□□□□□
□□□K
MODEL
M
PAGE 4/5
CITATION
DATE
Feb. 06, 2002
SUBJECT
ELECTRICAL CHARACTERISTICS
REV.
B01
3. ELECTRICAL CHARACTERISTICS
N0. ITEM PERFORMANCE TEST METHODS
3.0 Standard Conditions
Unless otherwise specified, all tests are made
under environmental conditions as given below:
Temperature: 5〜35℃
Relative humidity: 45〜85 % RH
3.1
Maximum Allowable
Voltage
AC : ＊＊＊＊(2) Vrms
DC : ＊＊＊＊(2) V
Maximum continuous sine wave(RMS) or DC
voltage which may be applied.
3.2 Varistor Voltage V
1mA
: ＊＊＊＊(2) V
Voltage across the varistor measured at CmA DC.
3.3
Varistor Voltage
Temperature
Coefficient
0 〜 −−−−0.05 %/℃
V
CmA
at 85℃ － V
CmA
at 25℃ 1
V
CmA
at 25℃ 60
3.4
Max. Clamping
Voltage
＊
＊＊
＊(2) V at ＊＊＊＊(2) A
Peak voltage across the varistor with a specified
peak impulse current of 8× 20μs waveform.
The max. current within the varistor voltage
change of less than ± 10% when one impulse
current (8× 20μs) applied.
3.5
Withstanding Surge
Current
＊
＊＊
＊(2) A
The max. current with a varistor voltage change
of less than ± 10% when two times impulse
current (8× 20μs) are applied at intervals of 5
minutes.
3.6 Energy ＊＊＊＊(2) Joule
The max. energy absorbed with a varistor voltage
change of less than ± 10% when one impulse(10
× 1000μs) is applied.
3.7 Surge Life ＊＊＊＊(2) A
The max. current with a varistor voltage change
of less than ± 10% when 10,000 times impulse
current (8× 20μs) are applied at intervals of 20
seconds at room temperature.
＊ (2) See Page 5
×
×
100
Page 5
TYPE
GNR34S□□□
□□□□□□
□□□K
MODEL
M
PAGE 5/5
CITATION
DATE
Feb. 06, 2002
SUBJECT
ELECTRICAL CHARACTERISTICS
REV.
B01
PART
NUMBER
MAXIMUM
ALLOWABLE
VOLTAGE
VARISTOR
VOLTAGE
CLAMPING
VOLTAGE
(MAX.)
SURGE
CURRENT
(8/20μμμμs)
MAXIMUM
ENERGY
(10/1000μμμμs)
SURG
E
LIFE
Itm(A)
AC
rms
(V) DC(V) (V) (V) Ip(A)
1 TIME 2 TIMES
Wtm(joule) (A)
34S201K 130 170 185
〜
225 340
310
34S221K 140 180 198
〜
242 360
330
34S241K 150 200 216
〜
264 395
360
34S271K 175 225 243
〜
297 455
390
34S331K 210 275 297
〜
363 550
410
34S361K 230 300 324
〜
396 595
460
34S391K 250 320 351
〜
429 650
490
34S431K 275 350 387
〜
473 710
550
34S471K 300 385 423
〜
517 775
600
34S511K 320 415 459
〜
561 845
640
34S561K 350 460 504
〜
616 920
710
34S621K 385 505 558
〜
682 1025
800
34S681K 420 560 612
〜
748 1120
910
34S751K 460 615 675
〜
825 1240
980
34S781K 485 640 702
〜
858 1290
1020
34S821K 510 670 738
〜
902 1355
1100
34S911K 550 745 819
〜
1001 1500
1150
34S951K 575 765 885
〜
1045 1570
1200
34S102K 625 825 900
〜
1100 1650
1250
34S112K 680 895 990
〜
1210 1815
300 40000 30000
1350
500
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