Server (Use case of SP-CAP, POSCAP, OS-CON)

Requirements for capacitor performance used in servers

server image

Trend of servers

Higher operating speed

Increasing power consumption

AI-based operation

Larger operating current
Lower operating voltages
Lower line impedance

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Requirement for capacitor performance

Low impedance / Low ESR

Higher reliability (Longer operating life at higher temperature)

Providing the optimized solution with a high to low voltage power source

Example)

48V/24Vsystem

os-con image

12V system

os-con image

poscap image

5V and lower

poscap image

sp-cap image

use-case-pressing imageuse-case-pressing imageuse-case-pressing imageuse-case-pressing imageuse-case-pressing image By pressing the button for each circuit block, specific case is shown for reference.

Space saving
Quantity reduction

Case 1 - Replacement from MLCC to OS-CON

On the high voltage side of the server, an OS-CON SXV series replacement will be introduced to take advantage of the resistance to ultra-high voltage and high ripple current.

 
Offered values
Achieving quantity reduction with equivalent static capacitance, along with compact size and space saving
  Before After
 
Capacitor type



Mounted circuit area imag
 
Ceramic capacitor (MLCC)
 
基板面積イメージ PCB area image

実装面積イメージ PCB area image

 
area
-60%
 

Series, part number - SXV series 80SXV56M
Specification 100 V, 15 µF, 5.7 x 5.0 mm 80 V, 56 µF, ø10 x 12.6 mm
Quantity 9 pcs 1 pc
Total electrostatic capacitance 54 μF
15 μF x 9 pcs x 40 %=54 μF
(Capacitance reduced by 48 VDC)
56 µF
Mounted circuit area 286.2 mm2 112.4 mm2
Data sheet
Specification/PN search
- OS-CON
SXV
Series
Datasheet
Specification
/PN search

Features of OS-CON SXV series

  1. Ultra-high voltage resistance : 100V max.
  2. High ripple current : 3.28A rms max. (105 ℃/100 kHz)
  3. Low current leakage : 0.05 CV
  4. High heat resistance : 125 ℃
Space saving
Quantity reduction

Case 2 - Replacement from polymer capacitor to OS-CON

Introduction of a replacement by using a low ESR capacitor OS-CON SVPG series capable of handling high ripple current.

 
Offered values
Offered values: Reduction of quantity and approx. 1/2 the circuit area for handling equivalent ripple current
  Before After
 
Capacitor type



Mounted circuit area image

Previous product OS-CON
Radial lead type
 
基板面積イメージ PCB area image

Surface-mounting type
 

実装面積イメージ PCB area image

 
Area
-42%

Series, part number - SVPG series (SMD)
16SVPG330M
Specification 16 V, 270 µF, ø8 x 9 mm 16 V, 330 µF, ø6.3 x 10.4 mm
Quantity 3 pcs 2 pcs
Ripple current 15 A
5.0 A x 3 pcs
15 A
7.5 A x 2 pcs
Mounted circuit area 150.7 mm2 87.1 mm2

Features of OS-CON SVPG series SVPK series

The replacement case shown above uses SVPG series , but high voltage resistance SVPK series can also be used.

  SVPG series SVPK series
Rated voltage 16 V to 25 V 16 V to 50 V
Static capacitance 15 µF to 1,200 μF 10 µF to 1,200 μF
Features High ripple current 7.5A rms max.
(105 ℃/100 kHz) (16V)
1.7A rms max.
(105 ℃/100 kHz) (16V, 20V)
High capacitance 1,200 μF
Compact size ø5 x 4.5 mm ø5 x 5.9 mm
Low ESR 6.5 mΩ ~ 12 mΩ ~
High voltage resistance 25 V max. 50 V max.
  Datasheet Specification
/PN search
Datasheet Specification
/PN search
Space saving
Quantity reduction

Case 3 - Replacement from MLCC to POSCAP

Introduction of a replacement case by using compact and large capacitance low ESR capacitors, POSCAP TQC series

 
Offered values
Achieving quantity reduction with equivalent static capacitance, along with compact size and space saving
  Before After
 
Capacitor type



Mounted circuit area image
 
Ceramic capacitor (MLCC)
 
基板面積イメージ PCB area image
 

 

実装面積イメージ PCB area image

 
Area
-60%

Series, part number - TQC series (SMD)
16TQC47MYFB
Specification 25 V, 22 µF, 2.0 x 1.2 mm 16 V, 47 µF, 3.5 x 2.8 mm
Quantity 10 pcs 1 pc
Total electrostatic capacitance 44 µF
22 μF x 10 pcs x 20% = 54 μF
(Capacitance reduced by 12 VDC)
47 μF
(No Capacitance reduced by 12VDC)
Mounted circuit area 42.9 mm2 16.5 mm2
Data sheet
Specification/PN search
- POSCAP
TQC
Series
Data sheet
Specification
/PN search

Features of POSCAP TQC series

  1. Ultra-high voltage resistance : 35V max.
  2. High ripple current : 1.8A rms max. (105 ℃/100 kHz)
  3. Compact size : 3.5 x 2.8 mm
  4. Low profile : 1.15 mm (7.3 mm x 4.3 mm 16V)
Quantity reduction

Case 4 - Replacement from MLCC to SP-Cap (by simulation)

Introduction of a replacement case by using the industry's top-class ultra-low ESR capacitor SP-Cap GX series series in the low voltage side of a server.

 
Offered values
Reduction of quantity with equivalent static capacitance, along with noise elimination with an ultra ESR.
  Before After
Capacitor type



Mounted circuit area image
 
Ceramic capacitor (MLCC)
 
基板面積イメージ PCB area image

Same surface area

実装面積イメージ PCB area image

Series, part number - - GX series
EEFGX0D561R
Specification 4 V, 100 μF,
2.0 x 1.2 mm
4 V, 47 μF,
2.0 x 1.2 mm
2 V, 560 µF, 7.3 x 4.3 x 1.9 mm
Quantity 31 pcs (24 + 7) 3 pcs
Total electrostatic capacitance 1,651 µF
100 μF x 24 pcs x 60% +
47 μF x 7 pcs x 64%
(Capacitance reduced by 1.8 VDC)
1,680 μF
(No Capacitance reduced by 1.8 VDC)
Mounted circuit area 133.0 mm2 132.5 mm2
Design support tool - Simulation data

Features of SP-Cap GX series, LX series, SX series

In the case of replacement from the MLCC shown above, the GX series used, but in the low voltage side of the server, you can also use the same low ESR products. LX series or SX series

  GX series LX series SX series
Rated voltage 2 V to 2.5 V 2 V to 6.3 V
Static capacitance 330 μF to 560 μF 82 μF to 560 μF
Number of terminals 2 terminals / 3 terminals 3 terminals 2 terminals
Features High capacitance 560 μF max.
Low ESR 3 mΩ 4.5 mΩ ~
  Datasheet Specification
/PN search
Datasheet Specification
/PN search
Datasheet Specification
/PN search
Space saving
Quantity reduction

Case 5 - Replacement from MLCC to POSCAP

In the low voltage side, we recommend the compact and large capacity. POSCAP TPE series

 
Offered values
Achieving quantity reduction with equivalent capacitance along with compact size and space saving.
  Before After
 
Capacitor type



Mounted circuit area image
 
Ceramic capacitor (MLCC)
 
基板面積イメージ PCB area image
 

 

実装面積イメージ PCB area image

 
Area
-60%

Series, part number - TPE series
6TPE220MAPB
Specification 6.3 V, 100 µF, 2.0 x 1.2 mm 6.3 V, 220 µF, 3.5 x 2.8 mm
Quantity 10 pcs 1 pc
Total electrostatic capacitance 200 µF
100 μF x 10 pcs x 20% = 200 μF
(Capacitance reduced by 5 VDC)
220 μF
(No Capacitance reduced by 5 VDC)
Mounted circuit area 42.9 mm2 16.5 mm2

Features of POSCAP TPE series

In the replacement case shown above, TPE series B size product is used, but low profile large capacity TPE series D size product can also be used.

  TPE series
Product dimensions B size
L3.5×W2.8
D size
L7.3×W4.3
Rated voltage 2.0 V to 10 V 2.5 V to 10 V
Static capacitance 47 µF to 470 µF 68 µF to 1,500 μF
Features Low profile 1.9 mm 1.4 mm
Large capacity 470 µF max. 1,500µF max.
Low ESR 9 mΩ ~ / 300 kHz 7 mΩ ~
  Datasheet Specification/PN search

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