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

Case 1 - 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

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	Surface-mounting type     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.

Case 2 - 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 effective capacitance,along with compact size and space saving

	Before	After
Capacitor type Mounted circuit area image	Ceramic capacitor (MLCC)	Area -49%
Series, part number	-	TQC series (SMD) 16TQC100MYF
Specification	25 V, 22 µF, 2.0 x 1.2 mm	16 V, 100 µF, 7.3 x 4.3 mm
Quantity	20 pcs	1 pc
Effective  electrostatic capacitance	88 µF 22 μF x 20 pcs x 20% = 88 μF (Capacitance reduced by 12 VDC)	100 μF (No Capacitance reduced by 12VDC)
Mounted circuit area	85.8 mm2	44.2 mm2

Features of POSCAP TQC series TDC series

The replacement case shown above uses TQC series, but high heat resistance TDC series product can also be used.

Case 3 - 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 SX series in the low voltage side.

Offered values

Reduction of quantity with equivalent static effective capacitance, along with noise elimination with an ultra ESR.

	Before	After
Capacitor type Mounted circuit area image	Ceramic capacitor (MLCC)	Area -20%
Series, part number	-	SX series EEFSX0E331E4
Specification	4V, 100μF, 3.2 x 2.5 mm	2.5V, 330μF, 7.3 x 4.3 mm
Quantity	5 pcs	1 pc
Effective electrostatic capacitance	325 µF 100 μF x 5 pcs x 65% = 325μF (Capacitance reduced by 1.5 VDC)	330 μF (No Capacitance reduced by 1.5 VDC)
Mounted circuit area	55.1 mm2	44.2 mm2
Design support tool	-	Simulation data
Data sheet, Specification /PN search	-	Data sheet Specification/PN search

Features of SP-Cap SX series

1. Low ESR : 4.5ｍΩ
2. High capacitance : 560μF（2.0V L7.3 x W4.3 x H1.9）
3. High ripple current : 8.5 Arms (105 ℃/100 kHz)

Case 4 - 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)	Area -60%
Series, part number	-	TPE series ETPE330M9GB
Specification	2.5 V, 22 µF, 1.0 x 1.5 mm	2.5 V, 330 µF, 3.5 x 2.8 mm
Quantity	30 pcs	1 pc
Effective  electrostatic capacitance	297 µF 22μF x 30pcs x 45% = 297μF (Capacitance reduced by 1.8 VDC)	330 μF (No Capacitance reduced by 1.8 VDC)
Mounted circuit area	42.1 mm2	16.5 mm2

Features of POSCAP TPE series,TCE series

The replacement case shown above uses TPE series but high heat resistance TCE serie can also be used.