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SPECIFICATIONS
PRODUCT: TYPE: MODEL: CITATION: REVISION: TOTAL PAGES: RELEASED DATE:
VARISTOR GNR20D□□□K
B01 5 Oct. 05, 2001
PAGE:1/5
REVISION HISTORY
NO 1 2 3 4 5 6 7 8 9 10 11 12 REV. DATE Oct. 05, 2001 DCR NO. DESCRIPTION OF CHANGE NEW RELEASE REV.
B01
Approved by
Checked by
Edited by
Yu-Chang Huang
Cloud Chen
Andy Chiang
Free Datasheet http://www.datasheet4u.com/
TYPE CITATION SUBJECT
GNR20D□□□K
MODEL DATE
PAGE
2/5
QUALITY APPROVAL and STRUCTURE
REV.
Oct. 05, 2001 B01
1. QUALITY SYSTEM APPROVAL
ISO9001 Certificate of approval No.97-HOU-AQ-1382
2. SAFETY STANDARDS APPROVAL
Standard No. File No. 180K〜680K 820K〜181K 201K〜471K 511K 561K〜821K 911K〜112K 182K Approved Approved Approved Approved Approved Approved UL 1414 E181368 UL 1449 E166389 UL 497B E187844 Approved Approved Approved Approved Approved Approved Approved Approved Approved Approved CUL E166389
CSA C22.2 No.1
VDE 42000 5938 Approved Approved Approved Approved Approved Approved
LR105317
3. STRUCTURE
NO. 3.1 3.2 3.3 3.4 ITEM Main Material Zinc Oxide GNR, Part number, UL, CSA(or CUL) and VDE recognized component mark, Date code Without dirt and crack, marking should be clear
D(max.) H(max.) T(max.) F 23.0 26.5
DESCRIPTION
Coating Material Epoxy Resin Marking Appearance
*(1)
10.0± 1.0 1.0± 0.1 25.0 3.0
3.5
Dimensions
ψd L(min.) k(max.) Unit: mm
*(1) See Page 3, Dimensions Table
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TYPE CITATION SUBJECT
GNR20D□□□K DIMENSIONS
Part No. 20D180K 20D220K 20D270K 20D330K 20D390K 20D470K 20D560K 20D680K 20D820K 20D101K 20D121K 20D151K 20D181K 20D201K 20D221K 20D241K 20D271K 20D301K 20D331K 20D361K 20D391K 20D431K 20D471K 20D511K 20D561K 20D621K 20D681K 20D751K 20D781K 20D821K 20D911K 20D102K 20D112K 20D182K
MODEL DATE
PAGE
3/5
TABLE
Tmax. 4.3 4.5 4.8 4.1 4.3 4.5 4.7 4.5 4.1 4.3 4.5 4.8 4.2 4.3 4.4 4.5 4.6 4.8 4.9 5.1 5.2 5.4 5.6 5.7 5.8 6.1 6.4 6.7 6.8 7.0 7.1 7.3 7.7 11.7 Unit:mm
REV.
Oct. 05, 2001 B01
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TYPE CITATION SUBJECT
GNR20D□□□K
MODEL DATE
PAGE
4/5
ELECTRICAL CHARACTERISTICS
REV.
Oct. 05, 2001 B01
4. ELECTRICAL CHARACTERISTICS
N0. 4.0 ITEM Standard Conditions Maximum Allowable Voltage Varistor Voltage Varistor Voltage Temperature Coefficient Max. Clamping Voltage Rated Power AC : *(2) Vrms DC : *(2) V V1mA : *(2) V 0 〜 −0.05 %/℃ *(2) V at *(2) A PERFORMANCE TEST METHODS Unless otherwise specified, all tests are made under environmental conditions as given below: Temperature: 5〜35℃ Relative humidity: 45〜85 % RH Maximum continuous sine wave(RMS) or DC voltage which may be applied. Voltage across the varistor measured at CmA DC.
VCmA at 85℃ - VCmA at 25℃ VCmA at 25℃ × 1 60 × 100
4.1 4.2 4.3
4.4
4.5
*(2) W
4.6
Withstanding Surge Current
*(2) A
4.7
Energy
*(2) Joule
4.8
Surge Life
*(2) A
Peak voltage across the varistor with a specified peak impulse current of 8× 20μs waveform. Maximum 50〜60Hz power which may be loaded for 1,000 hrs at 85± 2℃ with △V.