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76ID1680(1)30(2) View Datasheet(PDF) - KEMET

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76ID1680(1)30(2) Datasheet PDF : 26 Pages
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Film Capacitors – Polypropylene Pulse/High Frequency Capacitors
R76 Series Double Metallized Polypropylene Film, Radial, DC and Pulse Applications (Automotive Grade)
Soldering Process cont'd
Wave Soldering Recommendations cont'd
1. The table indicates the maximum set-up temperature of the soldering process
Figure 1
Dielectric
Film Material
Maximum Preheat
Temperature
Capacitor Capacitor Capacitor
Pitch
Pitch
Pitch
≤ 10 mm = 15 mm > 15 mm
Maximum
Peak Soldering
Temperature
Capacitor Capacitor
Pitch
Pitch
≤ 15 mm > 15 mm
Polyester
Polypropylene
Paper
Polyphenylene
Sulphide
130°C
100°C
130°C
150°C
130°C
110°C
130°C
150°C
130°C
130°C
140°C
160°C
270°C
260°C
270°C
270°C
270°C
270°C
270°C
270°C
2. The maximum temperature measured inside the capacitor:
Set the temperature so that inside the element the maximum temperature is below the limit:
Dielectric Film Material
Polyester
Polypropylene
Paper
Polyphenylene
sulphide
Maximum temperature
measured inside the element
160°C
110°C
160°C
160°C
Temperature monitored inside the capacitor.
Selective Soldering Recommendations
Selective dip soldering is a variation of reflow soldering. In this method, the printed circuit board with through-hole components to be
soldered is preheated and transported over the solder bath as in normal flow soldering without touching the solder. When the board is
over the bath, it is stopped and pre-designed solder pots are lifted from the bath with molten solder only at the places of the selected
components, and pressed against the lower surface of the board to solder the components.
The temperature profile for selective soldering is similar to the double wave flow soldering outlined in this document, however, instead
of two baths, there is only one bath with a time from 3 to 10 seconds. In selective soldering, the risk of overheating is greater than
in double wave flow soldering, and great care must be taken so that the parts are not overheated.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
F3034_R76 • 2/24/2016 19
 

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