NFV14D561K Ver la hoja de datos (PDF) - CERAMATE TECHNICAL

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NFV14D561K

VARISTOR

CERAMATE TECHNICAL 

CITATION

SUBJECT

TYPE

NFV14D□□□K

MODEL

ELECTRICAL CHARACTERISTICS

DATE

REV.

PAGE 4/5

Oct. 15, 2001

B01

4. ELECTRICAL CHARACTERISTICS

N0.

ITEM

PERFORMANCE

TEST METHODS

Unless otherwise specified, all tests are made

4.0 Standard Conditions

under environmental conditions as given below:

Temperature:

5〜35℃

Relative humidity: 45〜85 % RH

4.1

Maximum Allowable

Voltage

4.2 Varistor Voltage

Varistor Voltage

4.3

Temperature

Coefficient

AC : ＊(2) Vrms

DC : ＊(2) V

V1mA : ＊(2) V

0 〜 −0.05 %/℃

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

Peak voltage across the varistor with a specified

4.4

Max. Clamping

Voltage

＊(2) V at ＊(2) A peak impulse current of

8× 20μs waveform.

4.5

Rated Power

4.6

Withstanding Surge

Current

＊(2) W

(2) A

Maximum 50〜60Hz 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 (8× 20μs) applied.

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

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