Surge arrester
3-electrode arrester
Series/Type: T90-A350X
Ordering code: B88069X5480C253
Version/Date: Issue 05 / 2013-03-27
Version: 01
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Identification/Classification 1: Surge arrester
(header 1 + top left header bar)
Identification/Classification 2: 3-electrode arrester
(header 2 + bottom left header bar)
Ordering code: B88069X5480C253
(top right header bar)
Series/Type: T90-A350X
(top right header bar)
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 B88069X5480C253
3-electrode arrester T90-A350X
Features Applications
Very small size Line protection
Fast response time Station protection
High current rating Base stations
Stable performance over life
Extremely low capacitance
High insulation resistance
RoHS-compatible
Electrical specifications
1) 2) 3)
DC spark-over voltage 350 V
%
20
3)
Impulse spark-over voltage
at 100 V/s - for 99% of measured values < 850 V
- typical values of distribution < 750 V
at 1 kV/s - for 99% of measured values < 1000 V
- typical values of distribution < 850 V
Service life
4)
10 operations 50 Hz; 1 s 10 A
4)
1 operation 50 Hz; 0.18 s (9 cycles) 10 A
4)
10 operations [5 (+) & 5 ()] 8/20 s 10 kA
4)
1 operation 10/350 s 1 kA
4)
300 operations (+/ alternating) 10/1000 s 200 A
3)
Insulation resistance at 100 V > 1
G
DC
3)
Capacitance at 1 MHz < 1.5 pF
5)
Transverse delay time < 0.2 s
Arc voltage at 1 A ~ 10 V
Glow to arc transition current ~ 1 A
Glow voltage ~ 60 V
Weight ~ 0.8 g
Operation and storage temperature -40 ... +90 C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, blue negative
350 YY O
350 - Nominal voltage
YY - Year of production
O - Non radioactive
Remarks on next page
PPD AB PD / PPD AB PM Issue 05 / 2013-03-27
Please read Cautions and warnings and Page 2 of 4
Important notes at the end of this document.