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PDF ETFV14K175E2 Data sheet ( Hoja de datos )
| Número de pieza | ETFV14K175E2 | |
| Descripción | SIOV metal oxide varistors | |
| Fabricantes | EPCOS | |
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SIOV metal oxide varistors
Housed (ThermoFuse) varistors, AdvanceD series
Series/Type:
Date:
ETFV14
April 2011
© EPCOS AG 2011. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
1 page  
Housed varistors
ThermoFuse varistors, ETFV14 series
ETFV14
Reliability data
Test
Varistor voltage
Clamping voltage
Endurance at upper
category temperature
Surge current derating,
8/20 µs
Surge current derating,
2 ms
Electric strength
Test methods/conditions
Requirement
The voltage between two terminals with To meet the specified value
the specified measuring current applied
is called VV (1 mADC @ 0.2 ... 2 s).
The maximum voltage between two To meet the specified value
terminals with the specified standard
impulse current (8/20 µs) applied.
1000 h at UCT
|∆V/V (1 mA)| ≤10%
After having continuously applied the
maximum allowable AC voltage at UCT
±2 °C for 1000 h, the specimen shall be
stored at room temperature and normal
humidity for 1 to 2 h.
Thereafter, the change of VV shall be
measured.
10 surge currents (8/20 µs), unipolar, |∆V/V (1 mA)| ≤10%
interval 30 s, amplitude corresponding (measured in direction of
to derating curve for 10 impulses at
20 µs
surge current)
No visible damage
10 surge currents (2 ms), unipolar,
|∆V/V (1 mA)| ≤10%
interval 120 s, amplitude corresponding (measured in direction of
to derating curve for 10 impulses at
surge current)
2 ms
No visible damage
IEC 61051-1, test 4.9.2
No breakdown
Metal balls method, 2500 VRMS, 60 s
The varistor is placed in a container
holding 1.6 ±0.2 mm diameter metal
balls such that only the terminations of
the varistor are protruding.
The specified voltage shall be applied
between both terminals of the specimen
connected together and the electrode
inserted between the metal balls.
Please read Cautions and warnings and
Important notes at the end of this document.
Page 5 of 15
5 Page 
Housed varistors
ThermoFuse varistors, ETFV14 series
ETFV14
Derating curves
Maximum surge current imax = f (tr, pulse train)
For explanation of the derating curves refer to "General technical information", section 1.8.1
SIOV-ETFV14 ... E2
Please read Cautions and warnings and
Important notes at the end of this document.
Page 11 of 15
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet ETFV14K175E2.PDF ] | |
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