Surge arrester

B88069X2780S102

2-electrode arrester

EM500X

PPD AB PD / PPD AB PM

Version: 04 / 2019-04-04

Please read Cautions and warnings and

Page 2 of 6

Important notes at the end of this document.

Features

Applications



Small size



Fast response time



High current handling capability



Stable performance over service life



Low capacitance and insertion loss



High insulation resistance



RoHS-compatible



Power supplies



Antenna protection



Air condition



Modem



Consumer electronics



Dataline protection

Electrical specifications

DC spark-over voltage

1) 2)

Tolerance

Min.

Max.

500

±20

400

600

V

%

V

V

Impulse spark-over voltage

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

< 950

< 800

< 1050

< 900

V

V

V

V

Service life

10 operations

50 Hz, 1 s

2.5

A

1 operation

50 Hz, 0.18 s (9 cycles)

5

A

10 operations [5× (+) & 5× (–)]

8/20 µs

2.5

kA

1 operation

8/20 µs

5

kA

Insulation resistance at 100 VDC

> 1

G

Ω

Capacitance at 1 MHz

< 1

pF

Arc voltage at 1 A

Glow to arc transition current

Glow voltage

~ 10

< 0.3

~ 60

V

A

V

Weight

~ 1

g

Operation and storage temperature

−40 ... +125

°C

Climatic category (IEC 60068-1)

40/125/21

Marking, red positive

EM 500 YY O

EM

- Series

500

- Nominal voltage

YY

- Year of production

O

- Non radioactive

Certifications

UL 497B (E163070)

UL 1449 (E319264)

1)

At delivery AQL 0.65 level II, DIN ISO 2859

2)

In ionized mode

Terms in accordance with ITU-T Rec. K.12 and IEC 61643-311.