Surge arrester
2-electrode arrester
Series/Type: EM500X
Ordering code: B88069X2780S102
Version/Date: Issue 03 / 2014-11-17
Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the
table and then change the color towhit. This ensures that the table disappears (invisible) for the customer PDF.
Don't change formatting when entering or pasting text in the table and don't add any cell or line in and to it!
Identification/Classification 1 Surge arrester
(header 1 + top left bar):
Identification/Classification 2 2-electrode arrester
(header 2 + bottom left header bar):
Ordering code: (top right header bar) B88069X2780S102
Series/Type: (bottom right header bar) EM500X
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Surge arrester B88069X2780S102
2-electrode arrester EM500X
Features Applications
Small size Power supplies
Fast response time Antenna protection
High current handling capability Air condition
Stable performance over service life Modem
Low capacitance and insertion loss Consumer electronics
High insulation resistance Dataline protection
RoHS-compatible
Electrical specifications
1) 2)
DC spark-over voltage 500 V
Tolerance 20 %
Min. 400 V
Max. 600 V
Impulse spark-over voltage
at 100 V/s - for 99% of measured values < 950 V
- typical values of distribution < 800 V
at 1 kV/s - for 99% of measured values < 1050 V
- typical values of distribution < 900 V
Service life
10 operations 50 Hz, 1 s 2.5 A
1 operations 50 Hz, 0.18 s (9 cycles) 5 A
10 Operations [5 (+) & 5 ()] 8/20 s 2.5 kA
1 operation 8/20 s 5 kA
Insulation resistance at 100 V > 1
DC G
Capacitance at 1 MHz < 1 pF
Arc voltage at 1 A ~ 10 V
Glow to arc transition current < 0.3 A
Glow voltage ~ 60 V
Weight ~ 1 g
Operation and storage temperature 40 ... +90 C
Climatic category (IEC 60068-1) 40/ 90/ 21
EM 500 YY O
Marking, red positive
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; IEC 61663-2 and IEC 61643-311.
PPD AB PD / PPD AB PM Issue 03 / 2014-11-17
Please read Cautions and warnings and Page 2 of 5
Important notes at the end of this document.