Surge arrester

B88069X2261B252

3-electrode arrester

T31-A90X

KB AB E / KB AB PM

Issue 03 / 2007-03-29

Please read Cautions and warnings and

Page 2 of 4

Important notes at the end of this document.

Features

Applications

Very small size

Extremely fast response time

High current rating

Stable performance over life

Extremely low capacitance

High insulation resistance

RoHS-compatible

Modem

Data lines

Electrical specifications

DC spark-over voltage

1) 2) 4)

90

± 20

V

%

Impulse spark-over voltage

4)

at 100 V/µs

- for 99 % of measured values

- typical values of distribution

at 1 kV/µs

- for 99 % of measured values

- typical values of distribution

< 450

< 300

< 500

< 380

V

V

V

V

Service life

10 operations

50 Hz; 1 s

5)

10

A

1 operation

50 Hz; 0.18 s (9 cycles)

5)

30

A

8/20 µs

5)

10

kA

1 operation

8/20 µs

5)

12

kA

2 operations

10/350 µs

5)

5

kA

4)

> 10

G

Ω

Capacitance at 1 MHz

4)

< 1.5

pF

Transverse delay time

3)

< 0.2

µs

Arc voltage at 1 A

Glow to arc transition current

Glow voltage

~ 10

~ 1

~ 60

V

A

V

Weight

~ 1.4

g

Operation and storage temperature

-40 ... +90

°C

Climatic category (IEC 60068-1)

40/ 90/ 21

Marking, blue negative

90 YY O

90

- Nominal voltage

YY

- Year of production

O

- Non radioactive