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 SPECIFICATIONS
PRODUCT TYPE MODEL CITATION REVISION TOTAL PAGES RELEASED DATE
VARISTOR NFV20D K
B01 5 Oct. 15, 2001
PAGE1/5
REVISION HISTORY
NO 1 2 3 4 5 6 7 8 9 10 11 12 REV. DATE Oct. 15, 2001 DCR NO. DESCRIPTION OF CHANGE NEW RELEASE REV.
B01
Approved by
Checked by
Edited by
Yu-Chang Huang
Cloud Chen
Andy Chiang
TYPE CITATION SUBJECT
NFV20D K
MODEL DATE
PAGE
2/5
QUALITY APPROVAL and STRUCTURE
REV.
Oct. 15, 2001 B01
1. QUALITY SYSTEM APPROVAL
ISO9001 Certificate of approval No.97-HOU-AQ-1382
2. SAFETY STANDARDS APPROVAL
Standard No. File No. 180K680K 820K181K 201K471K 511K 561K821K 911K112K 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 NFV, Part number, UL,CUL,CSA and VDE recognized component mark, Date code Without dirt and crack, marking should be clear
D(max.) k(max.) T(max.) F d (max.)
DESCRIPTION
Coating Material Silicone or Phenolic resin Marking Appearance
23.0
5.0
(1)
10.0 1.0 1.0 0.1 75 25.0
3.5
Dimensions
L(min)
Unit: mm
(1) See Page 3, Dimensions Table
TYPE CITATION SUBJECT
NFV20D 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. 15, 2001 B01
TYPE CITATION SUBJECT
NFV20D K
MODEL DATE
PAGE
4/5
ELECTRICAL CHARACTERISTICS
REV.
Oct. 15, 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: 535 Relative humidity: 4585 % 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 x 1 60 x 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 8x 20s waveform. Maximum 5060Hz power which may be loaded for 1,000 hrs at 85 2 with VCmA/ VCmA 10%. The max. current within the varistor voltage change of less than 10% when one impulse current (8x 20s) applied. The max. current with a varistor voltage change of less than 10% when two times impulse current (8x 20s) are applied at intervals of 5 minutes. The max. energy absorbed with a varistor voltage change of less than 10% when one impulse(10 x 1000s) is applied. The max. current with a varistor voltage change of less than 10% when 10,000 times impulse current (8x 20s) are applied at intervals of 20 seconds at room temperature.
(2) See Page 5
TYPE CITATION SUBJECT
MAXIMUM ALLOWABLE PART NUMBER ACrms(V) DC(V) 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 11 14 17 20 25 30 35 40 50 60 75 95 115 130 140 150 175 190 210 230 250 275 300 320 350 385 420 460 485 510 550 625 680 1000 14 18 22 26 31 38 45 56 65 85 100 125 150 170 180 200 225 250 275 300 320 350 385 410 460 505 560 615 640 670 745 825 895 1465 (V) VOLTAGE
NFV20D K
MODEL DATE
PAGE
5/5
ELECTRICAL CHARACTERISTICS
VARISTOR VOLTAGE CLAMPING VOLTAGE (MAX.) (V) 36 43 53 65 77 93 110 135 135 165 200 250 300 340 360 395 455 505 545 595 650 710 775 845 920 1025 1120 1240 1290 1355 1500 1650 1815 2970 Ip(A) RATED WATTAGE (MAX.) (W) SURGE CURRENT (8/20s) Itm(A)
1 TIME
REV.
Oct. 15, 2001 B01
SURGE LIFE
MAXIMUM ENERGY (10/1000s) Wtm(joule) 13.0 16.0 19.0 24.0 28.0 34.0 41.0 49.0 56.0 70.0 85.0 106.0 130.0 140.0 155.0 168.0 190.0 210.0 228.0 255.0 275.0 303.0 350.0 382.0 382.0 382.0 382.0 420.0 440.0 460.0 510.0 565.0 620.0 1020.0
2 TIMES
(A)
1620 2024 2430 3036 3543 4252 5062 6175 7490 90110 108132 135165 162198 185225 198242 216264 247303 270330 297363 324396 351429 387473 423517 459561 504616 558682 612748 675825 702858 738902 8191001 9001100 9901210 17001980
20
0.2
3000
2000
130
10000
100
1.0
6500
250
7500
200


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