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SPECIFICATIONS

PRODUCT:

VARISTOR

TYPE:

NFV20D□□□

□□□

□□□

□□□K

MODEL:

     

CITATION:

     

REVISION:

B01

TOTAL PAGES:

5

PAGE:

1/5

RELEASED DATE:

Oct. 15, 2001

REVISION HISTORY

NO

REV. DATE

DCR NO.

DESCRIPTION OF CHANGE

REV.

1

Oct. 15, 2001

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

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TYPE

NFV20D□□□

□□□

□□□

□□□K

MODEL

   

PAGE

2/5

CITATION

   

DATE

Oct. 15, 2001

SUBJECT

QUALITY APPROVAL and STRUCTURE

REV.

B01

1. QUALITY SYSTEM APPROVAL

      ISO9001 Certificate of approval No.97-HOU-AQ-1382

2. SAFETY STANDARDS APPROVAL

Standard No.

UL 1414

UL 1449

UL 497B

CUL

CSA C22.2 No.1

VDE 42000

File No.

E181368

E166389

E187844

E166389

LR105317

5938

180K〜680K

Approved

Approved

820K〜181K

Approved

Approved

Approved

Approved

201K〜471K

Approved

Approved

Approved

Approved

Approved

Approved

511K

Approved

Approved

Approved

Approved

561K〜821K

Approved

Approved

Approved

Approved

Approved

911K〜112K

Approved

182K

3. STRUCTURE

NO.

ITEM

DESCRIPTION

3.1

Main Material

Zinc Oxide

3.2

Coating Material

Silicone or Phenolic resin

3.3

Marking

NFV, Part number, UL,CUL,CSA and VDE recognized component

mark, Date code

3.4

Appearance

Without dirt and crack, marking should be clear

D(max.)

23.0

k(max.)

5.0

T(max.)

(1)

F

10.0± 1.0

ψd

1.0± 0.1

θ(max.)

75°

L(min)

25.0

3.5

Dimensions

                                           

Unit: mm

   

    

(1) See Page 3, Dimensions Table

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TYPE

NFV20D□□□

□□□

□□□

□□□K

MODEL

   

PAGE

3/5

CITATION

   

DATE

Oct. 15, 2001

SUBJECT

DIMENSIONS  TABLE

REV.

B01

   

Part No.

T

max.

20D180K

4.3

20D220K

4.5

20D270K

4.8

20D330K

4.1

20D390K

4.3

20D470K

4.5

20D560K

4.7

20D680K

4.5

20D820K

4.1

20D101K

4.3

20D121K

4.5

20D151K

4.8

20D181K

4.2

20D201K

4.3

20D221K

4.4

20D241K

4.5

20D271K

4.6

20D301K

4.8

20D331K

4.9

20D361K

5.1

20D391K

5.2

20D431K

5.4

20D471K

5.6

20D511K

5.7

20D561K

5.8

20D621K

6.1

20D681K

6.4

20D751K

6.7

20D781K

6.8

20D821K

7.0

20D911K

7.1

20D102K

7.3

20D112K

7.7

20D182K

11.7

                                                                          Unit:mm

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TYPE

NFV20D□□□

□□□

□□□

□□□K

MODEL

   

PAGE

4/5

CITATION

   

DATE

Oct. 15, 2001

SUBJECT

ELECTRICAL CHARACTERISTICS

REV.

B01

4. ELECTRICAL CHARACTERISTICS

N0.

ITEM

PERFORMANCE

TEST METHODS

4.0

Standard

Conditions

Unless otherwise specified, all tests are made

under environmental conditions as given below:

    Temperature:                5〜35℃

  Relative humidity:   45〜85 % RH

4.1

Maximum

Allowable

Voltage

    AC :  *

(2) Vrms

    DC :  *

(2)

 

V

Maximum continuous sine wave(RMS) or DC

voltage which may be applied.

4.2

Varistor Voltage   V

1mA 

:  *

(2) V

Voltage across the varistor measured at C

mA

 DC.

4.3

Varistor Voltage

Temperature

Coefficient

0

 

〜 

−−−−

0.05 %/℃

    V

CmA 

at 85℃  -  V

CmA 

at 25℃       

 

  1

                    V

CmA 

at 25℃     

   

              60

4.4

Max. Clamping

Voltage

(2) V

 

 at  *

(2) A

Peak voltage across the varistor with a specified

peak impulse current of

8× 20μs waveform.

4.5

Rated Power

(2) 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.

4.6

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.

4.7

Energy

(2) Joule

The max. energy absorbed with a varistor voltage

change of less than  ± 10% when one impulse(10

× 1000μs) is applied.

4.8

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

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TYPE

NFV20D□□□

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□□□

□□□K

MODEL

   

PAGE

5/5

CITATION

   

DATE

Oct. 15, 2001

SUBJECT

ELECTRICAL CHARACTERISTICS

REV.

B01

MAXIMUM

ALLOWABLE

VOLTAGE

VARISTOR

VOLTAGE

CLAMPING

VOLTAGE

(MAX.)

RATED

WATTAGE

(MAX.)

SURGE

CURRENT

(8/20μ

μ

μ

μs)

MAXIMUM

ENERGY

(10/1000μ

μ

μ

μs)

SURGE

LIFE

I

tm

(A)

PART

NUMBER

AC

rms

(V) DC(V)

(V)

(V)

Ip(A)

(W)

1 TIME

2 TIMES

W

tm

(joule)

(A)

20D180K

11

14

16〜20

36

13.0

20D220K

14

18

20〜24

43

16.0

20D270K

17

22

24〜30

53

19.0

20D330K

20

26

30〜36

65

24.0

20D390K

25

31

35〜43

77

28.0

20D470K

30

38

42〜52

93

34.0

20D560K

35

45

50〜62

110

41.0

20D680K

40

56

61〜75

135

20

0.2

3000

2000

49.0

130

20D820K

50

65

74〜90

135

56.0

20D101K

60

85

90〜110

165

70.0

20D121K

75

100

108〜132

200

85.0

20D151K

95

125

135〜165

250

106.0

20D181K

115

150

162〜198

300

130.0

20D201K

130

170

185〜225

340

140.0

20D221K

140

180

198〜242

360

155.0

20D241K

150

200

216〜264

395

168.0

20D271K

175

225

247〜303

455

190.0

20D301K

190

250

270〜330

505

210.0

20D331K

210

275

297〜363

545

228.0

20D361K

230

300

324〜396

595

255.0

20D391K

250

320

351〜429

650

275.0

20D431K

275

350

387〜473

710

303.0

20D471K

300

385

423〜517

775

350.0

20D511K

320

410

459〜561

845

10000

382.0

20D561K

350

460

504〜616

920

382.0

20D621K

385

505

558〜682

1025

382.0

20D681K

420

560

612〜748

1120

382.0

20D751K

460

615

675〜825

1240

420.0

20D781K

485

640

702〜858

1290

440.0

20D821K

510

670

738〜902

1355

460.0

20D911K

550

745

819〜1001

1500

510.0

20D102K

625

825

900〜1100

1650

565.0

20D112K

680

895

990〜1210

1815

620.0

250

20D182K

1000

1465

1700〜1980

2970

100

1.0

7500

6500

1020.0

200