Conductive Polymer Aluminum Electrolytic Capacitors (SP-Cap)

Notes for using technical information
Zoom
"SP-Cap" is a rectangular chip-shaped aluminum electrolytic capacitor that uses a polymer as its electrolyte. SP-Cap has several features including low ESR, low ESL, long life span, small size, low profile, and high characteristic stability.

Topics

Features

  • Ultra-low ESR capacitor, top class in the industry
  • Stable temperature characteristics / Frequency characteristics
  • Lineup of 1.0-mm (max.) thick low-profile products
  • High safety made possible by self-recovery function (no ignition)
  • Low ESL type adopting three-terminal structure available

Measures against problems with electrolytic capacitors and general tantalum capacitors

  1. Noise measure
  2. Ignition measure
  3. Low profile / Space-saving

Conductive products can solve the problem

1. NoiseNoise measure

  • General tantalum
    aluminum electrolytic capacitors
    High ripple by high ESR
  • General tantalum/aluminum electrolytic capacitors graph
  • yajirushi_migi
  • Ripple content image
  • Conductivity
    Low ripple by low ESR
  • Conductivity graph

2. Safety(compared to general tantalum capacitors) Ignition measure

  • Overvoltage test General tantalum capacitors
  • Overvoltage test General tantalum capacitors image
  • Ignition by overvoltage
  • 右向き矢じるし
  • Overvoltage test Conductive capacitors
  • Overvoltage test Conductive capacitors image
  • Safety with self-recovery function

3. Space Low profile Space-saving

  • ■Low profile
  • aluminum electrolytic capacitors picture
  • aluminum electrolytic capacitors
  • aluminum electrolytic capacitors image
  • 右向き矢じるし
  • SP-Cap/POSCAP picture
  • SP-Cap / POSCAP
  • SP-Cap/POSCAP image
■Space-saving(Reduced space by 70%)
  • General tantalum
  • General tantalum picture
  • 右向き矢じるし
  • SP-Cap / POSCAP
  • SP-Cap/POSCAP picture

↑Page top

Measures against problems in ceramic capacitors (MLCC)

  1. Quantity/Cost reduction
  2. Rudeness prevention / Anti-vibration
  3. Crack prevention measures
  4. Safety measure

Conductive products can solve the problem

1. Insufficient capacitance Quantity/Cost reduction

  • Capacitance of MLCC is reduced by Voltage application + Low temperature/High temperature
  • Capacitance of MLCC is reduced by Voltage application + Low temperature/High temperature
  • Quantity of MLCC and SP-cap/POSCAP

2. Squeaking / Micro vibration Rudeness prevention Anti-vibration

  • SP-Cap/POSCAP Rudeness prevention Anti-vibration
  • MLCC
    Expansion and contraction of
    element by Piezo effect
    (Generation of micro vibrations)

    SP-Cap / POSCAP
    No vibration
  • generation of squeals image

3. Cracks Crack prevention measure

  • MLCC is cracked by temperature/mechanical impact
  • MLCC is cracked by temperature/mechanical impact image

4. Fire spreading to board Safety measure

The red heat continues if MLCC is short-circuited.

  • MLCC
    MLCC picture
  • 右向き矢じるし
  • MLCC red heat picture
  • 右向き矢じるし
  • Fire broadly spread to the board around MLCC
    Fire broadly spread to the board around MLCC
  • SP-Cap
    SP-Cap picture
  • 右向き矢じるし
  • No red heat
  • 右向き矢じるし
  • SP-Cap/POSCAP swells or burns, but less spreading of fire
    SP-Cap/POSCAP swells or burns, but less spreading of fire

↑Page top

Application to be used

SP-Cap is used in the following applications from the lineup of the low ESR.
Of course the conductive polymer characteristic (Temperature characteristics etc.)
is included, too.

- A main purpose of use : Low ESR
The CPU power line of Server, Mobile PC and Video game
The FPGA power line of the communications and the industrial
The GPU power line of the graphics card

- Others
LCD panel, etc.

Application to be used

↑Page top

Related articles

↑Page top