Development of Snap-in Type Aluminum Electrolytic Capacitors KVA Series, KVB Series, LVA Series for Automotive OBCs (On-Board Chargers)

29 juni 2021 Door: Nijkerk Electronics

Nippon Chemi-Con has developed three Series of snap-in type aluminum electrolytic capacitors for automotive OBCs (on-board chargers). These Series meet the vibration resistance requirements of AEC-Q 200, the standard for automotive electronic components.
In recent years, with the increase in driving range and popularization of EVs and PHEVs, aluminum electrolytic capacitors for input voltage filtering used in automotive OBCs are required to have higher capacitance and reliability. Against this backdrop, we have been developing products for automotive OBCs with the aim of further improving the performance of the existing ultra-small Series.
The three newly developed Series all have a rated voltage of 450V. The guaranteed endurance of the KVA Series is 2,000 hours at 105°C, the KVB Series is 3,000 hours at 105°C, and the LVA Series is 5,000 hours at 105°C.
We have achieved high reliability compliant with AEC-Q 200 standards while maintaining basic performance equal to or higher than that of conventional products by selecting appropriate material and adopting a proprietary vibration-resistant design.

Samples and Mass Production

Samples: July 2021,Mass production: July 2021

Main Specifications

– Category temperature range: -40 to +105°C
– Rated voltage range: 450Vdc
– Capacitance range: KVA – 160 to 970?F, KVB – 150 to 920?F, LVA – 150 to 890?F

– Case size: ?25.4 x 25 L to ?35 x 60 Lmm
– Endurance: KVA – guarantees 2,000 hours at 105°C
                       KVB – guarantees 3,000 hours at 105°C
                       LVA – guarantees 5,000 hours at 105°C
– Vibration resistance: AEC-Q200 standard compliant (when main body is fixed)

Production Site

Chemi-Con East Japan Corp. Fukushima Plant
 

List of standard products (representative rate)

KVA Series (guarantees 2,000 hours at 105°C)

Rated voltage [Vdc]	Case size ?D×L[mm]	Cap [?F/120Hz]	Rated ripple current [Arms/105?,120Hz]
450V	?25.4×50L	400	1.72
	?30×50L	580	2.08
	?35×50L	780	2.36

KVB Series (guarantees 3,000 hours at 105°C)

Rated voltage [Vdc]	Case size ?D×L[mm]	Cap [?F/120Hz]	Rated ripple current [Arms/105?,120Hz]
450V	?25.4×50L	380	1.67
	?30×50L	560	2.04
	?35×50L	740	2.30

LVA Series (guarantees 5,000 hours at 105°C)

Rated voltage [Vdc]	Case size ?D×L[mm]	Cap [?F/120Hz]	Rated ripple current [Arms/105?,120Hz]
450V	?25.4×50L	360	1.63
	?30×50L	540	2.00
	?35×50L	710	2.25

For more information, please contact Nijkerk Electronics

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