Datasheet > 779N2120BB00J

779N2120BB00J

更新时间： 2024-01-11 19:55:31

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779N2120BB00J 技术参数

Film Capacitors

General Purpose, Pulse and DC Transient Suppression – R77 Series Double Metallized Polypropylene Film, Optimized for AC Applications

Soldering Process

The implementation of the RoHS Directive has required the selection

SnAuCu (SAC) alloys or SnCu alloys as primary solder. This has

increased the liquidus temperature from that of 183ºC for SnPb

eutectic alloy to 217ºC – 221ºC for the new alloys. As a result, the

heat stress to components, even in wave soldering, has increased

considerably due to higher pre-heat and wave temperatures.

Polypropylene capacitors are especially sensitive to heat (melting

point of polypropylene is 160ºC – 170ºC). Wave soldering can

be destructive especially for mechanically small polypropylene

capacitors and great care must be taken during soldering. The solder

proﬁles from KEMET are highly recommended. You may also refer

to the wave soldering curve from IEC Publication 61760–1 Edition 2.

Please consult KEMET with any questions.

Marking

• KEMET’s logo

• Series

• Dielectric code (MKP)

• Capacitance

• Capacitance tolerance

• Rated AC voltage

• Manufacturing date code

F3035_R77 • 4/4/2013 10

1...7 8 91011 12 13...16

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