Datasheet > B88069X3740C253

B88069X3740C253

更新时间： 2022-12-19 09:37:35

品牌	Logo	应用领域
爱普科斯 - EPCOS		/
页数	文件大小	规格书
2页	89K
描述
SURGE ARRESTER 3-electrode arrester

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中文翻译

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数据手册

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B88069X3740C253 数据手册

Surge Arrester

3-Electrode-Arrester

T90-A350XF

Ordering code: B88069X3740C253

DC spark-over voltage ^{1) 2) 4)}

Impulse spark-over voltage ⁴⁾

350

± 20

at 100 V/µs - for 99 % of measured values

< 850

< 750

- typical values of distribution

at 1 kV/µs

- for 99 % of measured values

- typical values of distribution

< 1000

< 850

Nominal impulse discharge current (wave 8/20 µs) ⁵⁾

Nominal alternating discharge current (50 Hz, 1 s) ⁵⁾

Insulation resistance at 100 V_dc

> 1

< 1.5

< 0.2

GΩ

µs

Capacitance at 1 MHz ⁴⁾

Transverse delay time ³⁾

Arc voltage at 1 A

~ 10

~ 1

Glow to arc transition current

Glow voltage

~ 60

Weight

~ 0.8

Storage temperature

Climatic category (IEC 60068-1)

Marking, blue

-40 ... +90

40/ 90/ 21

°C

350 YY O

350

- Nominal voltage

- Year of production

- Non radioactive

At delivery AQL 0.65 level II, DIN ISO 2859

In ionized mode

Test according to ITU-T Rec. K.12

Tip or ring electrode to center electrode

Total current through center electrode, half value through

tip respectively ring electrode.

Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845

The arrester failsafe mechanism contains a insulating foil with a melting

temperature of 260 °C.

Arrester fail safe works at temperatures > 260 °C. The arrester has to be

fixed mechanically, if the arrester is contacted by soldering and if the solder

temperature is less than 260 °C.

KB AB E / KB AB PM

Issue 03, 21.07.2004

Page 1 of 2

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