HAU, HAZ, HAE, HAX Series

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Vishay Roederstein

Revision: 28-Jan-2022

4

Document Number: 22161

For technical questions, contact: slcap@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

SOLDERING RECOMMENDATIONS

Soldering of the component should be achieved using a Sn60/40 type or a silver-bearing Sn62/36/2Ag type solder. Ceramic

capacitors are very sensitive to rapid changes in temperature (thermal shock) therefore the solder heat resistance specification

(see Soldering Specifications table) should not be exceeded. Subjecting the capacitor to excessive heating may result in thermal

shocks that can crack the ceramic body. Similarly, excessive heating can cause the internal solder junction to melt.

CLEANING

The components should be cleaned immediately following the soldering operation with vapor degreasers.

SOLVENT RESISTANCE

The coating and marking of the capacitors are resistant to the following test method: IEC 60068-2-45 (method XA).

MOUNTING

If a defined product stop is required for mounting on a PCB, a mechanically formed product stop (kinked or inline wire) or a

mounting tool should be used.

We do not recommend modifying the lead terminals, e.g. bending or cropping. This action could break the coating or crack the

ceramic insert. If however, the lead must be modified in any way, we recommend support of the lead with a clamping fixture

next to the coating.

OPERATING VOLTAGE

In case the voltage is applied to the circuit, starting as well as stopping, may generate irregular voltage for a transit period

because of resonance or switching. Be sure to use a capacitor with a rated voltage range that includes these irregular voltages.

OPERATING TEMPERATURE AND SELF-GENERATED HEAT

Keep the surface temperature of a capacitor below the upper limit of its rated operating temperature range. Be sure to take into

account the heat generated by the capacitor itself. When the capacitor is used in a high frequency, pulse, or similar application,

it may have self-generated heat due to dielectric dissipation.

Temperature increase due to self-generated heating should not exceed 20 °C while operating at an atmosphere temperature of

25 °C.

When measuring, the surface temperature, make sure that the capacitor is not affected by radiant, conductive and convective

heat by its surroundings. Excessive heat may lead to thermo-mechanical deterioration of the capacitor's characteristics and

reliability.

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General Information

www.vishay.com/doc?22001