B72220S0681K101 데이터 시트보기 (PDF) - EPCOS AG

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B72220S0681K101

SIOV metal oxide varistors

EPCOS AG 

Leaded varistors

StandarD series

B722*

Cautions and warnings

General

1. EPCOS metal oxide varistors are designed for specific applications and should not be used

for purposes not identified in our specifications, application notes and data books unless oth-

erwise agreed with EPCOS during the design-in-phase.

2. Ensure suitability of SIOVs through reliability testing during the design-in phase. SIOVs

should be evaluated taking into consideration worst-case conditions.

3. For applications of SIOVs in line-to-ground circuits based on various international and local

standards there are restrictions existing or additional safety measures required.

Storage

1. Store SIOVs only in original packaging. Do not open the package before storage.

2. Storage conditions in original packaging:

Storage temperature: 25 °C ... +45 °C,

Relative humidity:

<75% annual average,

<95% on maximum 30 days a year.

Dew precipitation:

is to be avoided.

3. Avoid contamination of an SIOV's during storage, handling and processing.

4. Avoid storage of SIOVs in harmful environments that can affect the function during long-term

operation (examples given under operation precautions).

5. The SIOV type series should be soldered within the time specified:

SIOV-S, -Q, -LS, -B, -SFS 24 months

ETFV

12 months.

Handling

1. SIOVs must not be dropped.

2. Components must not be touched with bare hands. Gloves are recommended.

3. Avoid contamination of the surface of SIOV electrodes during handling, be careful of the

sharp edge of SIOV electrodes.

Soldering (where applicable)

1. Use rosin-type flux or non-activated flux.

2. Insufficient preheating may cause ceramic cracks.

3. Rapid cooling by dipping in solvent is not recommended.

4. Complete removal of flux is recommended.

Please read Cautions and warnings and

Important notes at the end of this document.

Page 43 of 46

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