CNR-18D820K Datasheet PDF - CNR
| Part Number | CNR-18D820K | |
| Description | Varistors | |
| Manufacturers | CNR | |
| Logo |  |
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APPROVAL SHEET
CeNtRa Varistor
Varistor are voltage dependent, nonlinear device which have an
electrical behavior similar to back-to-back zener diodes.
CNR series zinc oxide varistor are nonlinear resistors, consisting
main of zinc oxide and several kinds of metal oxide additive.
They are bilateral and symmetrical V-I characteristics curve and
unparalleled large peak current capability are used for absorption
of transient voltage, suppression of pulse noise and circuit
voltage stabilization.
Applications
Features
● Surge Protection in consumer electronics
● Fast response
-- industrial electronics
● Excellent voltage ratio
-- telephone and telecommunication systems
● High stabilization for circuit voltage
-- automobile equipments
● Unparalleled absorption for transient voltage
-- measuring and controller systems
characteristics
-- electronic home appliances
● Bilateral and symmetrical V-I Characteristics
-- gas and petroleum appliances
curve
● Absorption of switching surge from various
kinds of relays and electro-magnetic valves.
● Electrostatic discharge an spike noise suppression.
● Protection of various kinds of transistors, diodes, ICs,
thyristors, triac semiconductors, and etc.
● Automobile control system such as transistorized ignition
system and electronic fuel injection system, and etc.
Related Standards
● UL1414, UL1449(2nd Edition), CSA, VDE
Explanation of Part Numbers
CNR
0 7 D 2 71
K
TTH
Common Code
CeNtRa
Zinc Oxide
Varistor
Element Dia.
07 - ψ7.0mm
Type
Disc
Type
Space:Standard Straight lead/Bulk Packing
TRS:Straight lead/Tape&Reel Packing
TRK:Type I Crimped lead/Tape&Reel Packing
TIK:Type II Crimped lead/Tape&Reel Packing
TRH:Type III Crimped lead/Tape&Reel Packing
BTS:Straight lead/Flat Box Packing
BTK:Type I lead/Flat Box Packing
Varistor Voltage
271=27X101=270V
Tolerance Suffix code
K:±10%
A:Silver Disc
BTI:Type II lead/Flat Box packing
BTH:Type III lead/Flat Box Packing
TTS:Straight Cut Lead /Bulk Packing
TTK:Type I Cut Lead /Bulk Packing
TTI:Type II Cut Lead /Bulk Packing
TTH:Type III Cut Lead /Bulk Packing
CeNtRa Science Corp.
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APPROVAL SHEET
Device Ratings and Characteristics
Maximum
Varistor
Allowable
Voltage
Voltage
(@1mA)
Part No. ACrms(V) DC(V) Min. Vb(Vdc) Max.
CNR-14D180K 11
14 14.4 18 21.6
CNR-14D220K 14
18 18.7 22
26
CNR-14D270K 17
22 23
27 31.1
CNR-14D330K 20
26 29.5 33 36.5
CNR-14D390K 25
31 35 39 43
CNR-14D470K 30
38 42 47 52
CNR-14D560K 35
45 50 56 62
CNR-14D680K 40
56 61 68 75
CNR-14D820K 50
66 74 82 90
CNR-14D101K 60
85 90 100 110
CNR-14D121K 75
100 108 120 132
CNR-14D151K 95
125 135 150 165
CNR-14D181K 115
150 162 180 198
CNR-14D201K 130
175 185 200 225
CNR-14D221K 140
180 198 220 242
CNR-14D241K 150
200 216 240 264
CNR-14D271K 180
230 247 270 303
CNR-14D301K 195
250 270 300 330
CNR-14D331K 210
275 297 330 363
CNR-14D361K 230
300 324 360 396
CNR-14D391K 250
320 351 390 429
CNR-14D431K 275
350 387 430 473
CNR-14D471K 300
385 423 470 517
CNR-14D511K 320
420 459 510 561
CNR-14D561K 350
460 504 560 616
CNR-14D621K 385
505 558 620 682
CNR-14D681K 420
560 612 680 748
CNR-14D751K 460
615 675 750 825
CNR-14D781K 485
640 702 780 858
CNR-14D821K 510
675 738 820 902
CNR-14D911K 550
745 819 910 1001
CNR-14D102K 625
825 900 1000 1100
CNR-14D112K 680
895 990 1100 1210
Clamping Voltage Maximum Maximum
@ Test Current Energy Peak Current
(8/20µ s)
(J) (8/20µs)
Vc(V) Ip(A) 10/1000µs
(A)
39 10
4.0
1000
43 10
5.0
1000
53 10
6.0
1000
65 10
7.5
1000
77 10
8.6
1000
93 10 10.0
1000
110 10
11.0
1000
135 10
14.0
1000
135 50
22.0
4500
165 50
28.0
4500
200 50
32.0
4500
250 50
40.0
4500
300 50
50.0
4500
330 50
57.0
4500
360 50
60.0
4500
395 50
63.0
4500
455 50
70.0
4500
500 50
73.0
4500
540 50
93.0
4500
595 50
93.0
4500
650 50 100.0
4500
710 50 115.0
4500
775 50 125.0
4500
845 50 125.0
4500
915 50 125.0
4500
1025
50
125.0
4500
1120
50
130.0
4500
1240
50
143.0
4500
1290
50
148.0
4500
1355
50
157.0
4500
1500 50
175.0
4500
1650 50
190.0
4500
1815 50
213.0
4500
Rated
Power
(W)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
Typical
Capacitance
(@1KHz) Standards
(pF)
25000
☆
20000
☆
16000
☆
12200
☆
7000
☆
6750
☆
6500
☆
5500
☆
4300 ☆
◎
3500 ☆
◎
2500 ☆
◎
3100 ☆
◎
1250 ☆
◎
1150 ☆ △ ※ ◎
1100 ☆ △ ※ ◎
1050 ☆ △ ※ ◎
1000 ☆ △ ※ ◎
900 ☆ △ ※ ◎
850 ☆ △ ※ ◎
800 ☆ △ ※ ◎
800 ☆ △ ※ ◎
650 ☆ △ ※ ◎
550 ☆ △ ※ ◎
450 ☆ △ ※ ◎
400 ☆ △ ※ ◎
350 ☆ △ ※ ◎
350 ☆ △ ※ ◎
330 ☆ △ ※ ◎
330 ☆ △ ※ ◎
330 ☆ △ ※ ◎
300 ☆ △ ※ ◎
300 ☆ △ ※ ◎
200 ☆ ※ ◎
Related Standards
Standard No.
UL 1414
Title Across-The-Line
Components
File No.
E165143
ML File No.
N/A
Symbols
△
UL 1449(2nd Edition)
Transient Voltage
Surge Suppressors
E150709
E223465
☆
CSA
Accessories and Parts
for Electronic Products
LR109736-1
187409-1424357
※
VDE
Varistors for use in
Electronic equipment
21557-4790-001
40005991
◎
CeNtRa Science Corp.
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| Information | Total 15 Pages | |
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