
SPECIFICATIONS
PRODUCT:
VARISTOR
TYPE:
GNR34B□□□
□□□□□□
□□□K
MODEL:
CITATION:
REVISION:
B01
TOTAL PAGES:
4
PAGE:
1/4
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

TYPE
GNR34B□□□
□□□□□□
□□□K
MODEL
PAGE 2/4
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 Package Material Plastic
2.3 Marking GNR, Part number
2.4 Appearance Without dirt and crack, marking should be clear
H1 55.0
H2 5.0
T1 14.0
T2 4.3
W1 60.0
W2
51.0± 0.5
W3
40.0± 0.5
W4 24.0
W5 12.0
2.5 Dimensions
Unit: mm

TYPE
GNR34B□□□
□□□□□□
□□□K
MODEL
PAGE 3/4
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 : **** Vrms
DC : **** V
Maximum continuous sine wave(RMS) or DC
voltage which may be applied.
3.2 Varistor Voltage V
1mA
: **** 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
*
**
* V at **** A
Peak voltage across the varistor with a specified
peak impulse current of 8× 20μs waveform.
3.5 Rated Power **** W
Maximum 50〜60Hz power which may be
loaded for 1,000 hrs at 85± 2℃ with
△V
CmA
/ V
CmA
≦± 10%.
The max. current within the varistor voltage
change of less than ± 10% when one impulse
current (8× 20μs) applied.
3.6
Withstanding Surge
Current
*
**
* 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.
3.7 Energy **** Joule
The max. energy absorbed with a varistor
voltage change of less than ± 10% when one
impulse(2ms) is applied.
3.8 Typical Capacitance **** pF
Capacitance shall be measured at 1 kHz± 10%,1
Vrms max. 0V bias and 20± 2℃
* See Page 4

TYPE
GNR34B□□□
□□□□□□
□□□K
MODEL
PAGE 4/4
CITATION
DATE
Feb. 06, 2002
SUBJECT
ELECTRICAL CHARACTERISTICS
REV.
B01
MAXIMUM
ALLOWABLE
VOLTAGE
VARISTOR
VOLTAGE
CLAMPING
VOLTAGE
(MAX.)
RATED
WATTAGE
(MAX.)
SURGE
CURRENT
(8/20μμμμs)
MAXIMUM
ENERGY
(2ms)
Typical
Capacitance
Itm(A)
PART
NUMBER
AC
rms
(V) DC(V) (V) (V) Ip(A) (W)
1 TIME 2 TIMES
Wtm(joule) pF
34B330K 20 26 30
36 65 60 39000
34B390K 25 31 35
43 77 75 29000
34B470K 30 38 42
52 93 95 25000
34B560K 35 45 50
62 110 110 22000
34B680K 40 56 61
75 135
60 0.3 10000 7000
125 19500
34B820K 50 65 74
90 135 125 16500
34B101K 60 85 90
110 165 175 13500
34B121K 75 100 108
132 200 200 11000
34B151K 95 125 135
165 250 235 9000
34B181K 115 150 162
198 300
25000 20000
280 7500
34B201K 130 170 185
225 340 310 6800
34B221K 140 180 198
242 360 330 6200
34B241K 150 200 216
264 395 360 5700
34B271K 175 225 247
303 455 390 5000
34B301K 190 250 270
330 505 410 4600
34B331K 210 275 297
363 545 440 4100
34B361K 230 300 324
396 595 460 3800
34B391K 250 320 351
429 650 490 3500
34B431K 275 350 387
473 710 550 3200
34B471K 300 385 423
517 775 600 2900
34B511K 320 410 459
561 845 640 2700
34B561K 350 460 504
616 920 710 2400
34B621K 385 505 558
682 1025 800 2200
34B681K 420 560 612
748 1120 910 2000
34B751K 460 615 675
825 1240 980 1800
34B781K 485 640 702
858 1290 1000 1750
34B821K 510 670 738
902 1355 1060 1650
34B911K 550 745 819
1001 1500 1100 1500
34B951K 575 765 855
1045 1570 1140 1430
34B102K 625 825 900
1100 1650 1180 1360
34B112K 680 895 990
1210 1815 1270 1250
34B122K 750 990 1155
1320 1980 1350 1150
34B142K 880 1140 1310
1540 2310 1200 1000
34B162K 1000 1280 1700
1980 2640
300 1.4
40000 30000
1300 880