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SFS14 датащи(PDF) 4 Page - EPCOS

номер детали SFS14
подробное описание детали  SIOV metal oxide varistors Housed (Fail-safe) varistors
PDF  9 Pages
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производитель  EPCOS [EPCOS]
домашняя страница  http://www.epcos.com
Logo EPCOS - EPCOS

SFS14 датащи(HTML) 4 Page - EPCOS

  SFS14 Datasheet HTML 1Page - EPCOS SFS14 Datasheet HTML 2Page - EPCOS SFS14 Datasheet HTML 3Page - EPCOS SFS14 Datasheet HTML 4Page - EPCOS SFS14 Datasheet HTML 5Page - EPCOS SFS14 Datasheet HTML 6Page - EPCOS SFS14 Datasheet HTML 7Page - EPCOS SFS14 Datasheet HTML 8Page - EPCOS SFS14 Datasheet HTML 9Page - EPCOS  
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4
11/07
Please read Cautions and warnings and
Important notes at the end of this document.
Reliability data
Test
Test methods/conditions
Requirement
Varistor voltage
The voltage between two terminals with
the specified measuring current applied
is called Vv (1 mADC @ 0.2 … 2 s).
To meet the specified value.
Clamping voltage
The maximum voltage between two
terminals with the specified standard
impulse current (8/20
µs) applied.
To meet the specified value.
Surge current derating,
8/20
µs
CECC 42 000, test C 2.1
100 surge currents (8/20
µs), unipolar,
interval 30 s, amplitude corresponding
to derating curve for 100 impulses
at 20
µs
|∆V/V (1 mA)| ≤10%
(measured in direction
of surge current)
No visible damage
Surge current derating,
2ms
CECC 42 000, test C 2.1
100 surge currents (2 ms), unipolar,
interval 120 s, amplitude corresponding
to derating curve for 100 impulses
at 2 ms
|∆V/V (1 mA)| ≤10%
(measured in direction
of surge current)
No visible damage
Overvoltage test
The varistor should be subjected to
VRMS test (VRMS = 0.85 Vv (1 mA))
until it failed, in series with 5 A fuse and
5
Ω resistor (based on S14 series).
No flame, no rupture
Fail-safe varistor, SFS14 series
Housed varistors



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