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Replacing MLCCs with Polymer Capacitors -- The Learning Circuit 42

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Replacing MLCCs with Polymer Capacitors

The Learning Circuit | element14 presents |  Project Videos

 

 

Polymer capacitors offer low ESR and high capacitance in a small package. See what happens when a tantalum polymer replaces an MLCC in a DC-to-DC converter. Or, check the result of replacing a traditional electrolytic capacitor with an aluminum polymer. For fun, James shows measurements on a modern switching power supply and goes back to a classic 8-bit favorite, the Commodore 64.

 

 

Take the Polymer Capacitor Quiz

Learn more about Passive Components

Join the Experimenting with Polymer Capacitor Competition

 

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Bill of Material:

 

Part
Test Tools

WXMT MS (Micro Soldering Tweezers)

Weller1Buy NowBuy Now

RTM3004 Oscilloscope

Rohde and Schwarz1Buy NowBuy Now
Power Rail Probe - RT-ZPR20Rohde and Schwarz1Buy NowBuy Now
Handheld DMM (72-7780)Tenma1Buy NowBuy Now
Adjustable Electronics LoadBK1Buy NowBuy Now
PCB HolderPanavise1Buy NowBuy Now
Module
TPS62097EVM Evaluation ModuleTexas Instruments1Buy NowBuy Now
Soldering Supplies
De-Soldering Wick 484-2 (0.05")American Beauty1Buy NowBuy Now
SnPb Solder 0.02" Rosen Core (SPC22130)Duratool1Buy NowBuy Now
SMD291AX Solder Paste, No Clean, SyringeChip Quik1Buy NowBuy Now
SMD291 Solder Flux, No Clean, SyringeChip Quik1Buy NowBuy Now
Capacitors
Original 22uF 0805 Ceramic Capacitors (C2012X7S1A226M125AC)TDK1Buy NowBuy Now
Tantalum Polymer 22uF (T529P226M010AAE200)KEMET1Buy NowBuy Now
470uF 25V Aluminum Polymer (A750MS477M1EAAE015)KEMET2Buy NowBuy Now
2200uF 16V Aluminum Polymer  (RNL1C222MDS1)Nichicon1Buy NowBuy Now
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