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Plastic case welding machine special type capacitor(MKP-CB series)

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Inverter welder capacitors

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Product Introduction

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Product features

■ Small equivalent series resistance, can withstand large ripple current

■ Low self-inductance and low temperature rise, resulting in long life

■ Dry structure, solid epoxy encapsulation

■ Engineering plastic housing, easy to install

■ Low loss factor

■ High ripple current

Note .

Please contact us for other electrical capacity, size and performance parameters requirements.

Typical Applications

■ Capacitors for welding machines are suitable for filtering and straightening circuits of welding machines, and can also be used in other power electronics.

Performance Parameters

Reference Standards	IEC61071 GB17702
Rated voltage	400VDC
Rated capacity	210uF，216uF，2*13uF 100Hz @ +25℃
Electric capacity deviation	±5 %（J） ±10 %（K）Other deviations are optional @ 100Hz @+25℃
Operating temperature range	-40℃ ～+85℃
Storage temperature range	-40℃ ～+85℃
Loss Factor (DF)	tgδ≤0.0015 @ 1KHz @ +25℃
Insulation Resistance (IR)	Typical value (Ris x C): ≥5000S Temperature. : +25 °C @ 1min & Test voltage: 100 Vdc
Dielectric strength (Ut-t)	1.5Un duration 10S
Electrode to shell voltage intensity (Ut-c)	2500VAC 2秒 @+25℃ 50/60Hz
Life expectancy	100,000hours at Un and Th≤ 70°C
Dielectric materials	Metallized polypropylene films
Electrode mounting nut/torque	Copper nuts (M6≤3N.m, M8≤6N.m/refer to IEC61881)
Outer protective surface/enclosure	Engineering plastic shell
Internal filling material	Insulation filler adhesive (UL94- V0)
Note: If the altitude of use exceeds 2000m, the effect of convection cooling and external insulation should be considered.

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MKP-CB Un=400VDC Cn= 10~30μF （Dual Capacity）
Capacitor code	C	Un	W1	P1	W	H	T	L1	P
Capacitor code	μF	VDC	mm	mm	mm	mm	mm	H	T
MKP-CB2*106J400VDC	2*10	400	102	91	76	36	32	58	28
MKP-CB2*166J400VDC	2*16	400	131	120	106	32	44	61	42
MKP-CB2*306J400VDC	2*30	400	131	120	106	45	44	63	28

Selection Notes:

MKP-CB2 -106 J 400VDC

------- ---- -- ---

∣ ∣ ∣ ∣

∣ ∣ ∣ ∣---------------------- Rated voltage: Un=400VDC

∣ ∣ ∣--------------------------- Capacitance tolerance: J(±5%), K(±10%)

∣ ∣-------------------------------- Rated capacity: Cn=10.0 uF

∣----------------------------------------Filter capacitor/welding machine capacitor (CB for type, 2 for double capacity)

Different parameters can be designed according to customers' requirements. For more choices of AC/DC filter capacitor types, please refer to other specifications of metalized film capacitors.

- Plastic case welding machine special type capacitor(MKP-CB series)

Tape wrapping type capacitor for welding machine (MKP-DW series)

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