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| SPOTLIGHT on Power
Supplies
Four ways to shrink your footprint
Tips on reducing capacitor
footprint and total cost when designing SMPS. |
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Acrobat
format
(429K) |
| SPOTLIGHT on RFI
Capacitors
Models for every need and budget
Describes the different X
and Y capacitor technologies. Includes a handy selector
chart. |
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Acrobat
format
(389K) |
| Surface Mount Capacitors
A quick aid to the designer
showing which SMD capacitor dielectrics are best depending
on the required characteristics, plus some additional
points to consider before making the final selection. |
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Acrobat
format
(112K) |
Evox Rifa naked and
encapsulated SMD capacitors -
How does one choose?
A short summary
of the differences between Evox Rifa's naked and encapsulated
SMD capacitors. |
HTML |
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| DIL and
SMD capacitor component library works with Innoveda's
PowerLogic and PowerPCB layout programs. Download
and unzip the file, includes instructions. Supports
all DIL capacitors and the wound SMD film capacitors,
both encapsulated and naked. |
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Zipped
file
(741K) |
| DSL
Tutorial. (Link to the ETSI website.)
Another good resource
is DSL
Reports including a glossary. |
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| Safety agency certificates
for EMI capacitors Certificates
are now available
online. |
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| Capacitors
for RFI Suppression of the AC Line: Basic Facts
A description of the safety
agency requirements governing the use of RFI suppression
capacitors and their impact on capacitor selection. |
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Acrobat
format
(90K) |
| EMI Capacitor
Design and Performance Discusses
the different designs used to manufacture film and impregnated
paper X and Y capacitors. |
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Acrobat
format
(52K) |
| Voltage and
Agency Markings on Agency Approved RFI Capacitors
Answers the following questions:
- Why are the agency marks
missing from RFI capacitors with agency approvals?
- Why are there two rated
voltages on some capacitors?
- My high-line voltage is
263VAC but Evox Rifa recommended a capacitor approved
at 250VAC. Is this correct?
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Acrobat
format
(29K) |
| Timing Capacitors
in SMPS -- Using Film Capacitors Instead of NPO Ceramics
NPO ceramics are commonly
used to set the basic timing of an SMPS. However Evox
series PFR5 can offer a cost effective alternative. |
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Acrobat
format
(20K) |
| How to Specify Polypropylene
Film Capacitors in AC or Pulse Applications
In applications where a capacitor
is subjected to either steep pulses or high frequency
AC currents the proposed capacitor must be carefully
evaluated. This tech note explains how for Evox Rifa
polypropylene capacitors. |
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Acrobat
format
(18K) |
| Ensure AC Film Capacitor
Reliability with Thermal Analysis
Link to an article originally appearing
in the March 2001 issue of PCIM magazine. Note: For
Evox Rifa capacitors much of the thermal analysis described
in the article has been done for the engineer. Consult
the thermal data in the Evox
Rifa Film Capacitor Catalog. |
Link |
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| Designing Ventilation
Grilles For Electronic Equipment Covers
cooling issues, EMI and safety. Reprinted from Machine
Design, Aug. 9, 1990. |
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Acrobat
format
(244K) |
| There are also
technical sections
within the printed catalogs. |
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Catalogs
are in Adobe's PDF (portable document file), a cross platform format. Files
are viewed with Adobe's Acrobat Reader. If you need the free reader, click
here. |
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PIK
Power represented by: Precision Sales & Associates |
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