GNR07DK データシートの表示（PDF） - CERAMATE TECHNICAL

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GNR07DK

VARISTOR

CERAMATE TECHNICAL 

CITATION

SUBJECT

TYPE

GNR07D□□□K MODEL

ELECTRICAL CHARACTERISTICS

DATE

REV.

PAGE 4/5

Oct. 13, 2001

B01

4. ELECTRICAL CHARACTERISTICS

N0.

ITEM

PERFORMANCE

TEST METHODS

Unless otherwise specified, all tests are made under

4.0 Standard Conditions

environmental conditions as given below:

Temperature:

5〜35℃

Relative humidity: 45〜85 % RH

4.1

Maximum Allowable

Voltage

AC : ＊(2) Vrms Maximum continuous sine wave(RMS) or DC

DC : ＊(2) V

voltage which may be applied.

4.2 Varistor Voltage

V1mA : ＊(2) V Voltage across the varistor measured at CmA DC.

4.3

Varistor Voltage

Temperature

Coefficient

0 〜 −0.05 %/℃

VCmA at 85℃ － VCmA at 25℃

VCmA at 25℃

×

1

60 × 100

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.

Maximum 50〜60Hz power which may be loaded

4.5

Rated Power

＊(2) W

for 1,000 hrs at 85± 2℃ with △VCmA/ VCmA ≦±

10%.

The max. current within the varistor voltage change

of less than ± 10% when impulse current (8× 20μ

4.6

Withstanding Surge

Current

＊(2) A

s) applied .

The max. current within the varistor voltage change

of less than ± 10% when impulse current (8× 20μ

s) applied two times with an interval 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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