Suppression Ceramic Capacitors

We offer a wide range of ceramic suppression capacitors for RFI suppression and prevention of electrical shock

What is a suppression capacitor?

The suppression capacitor is the most effective interference component. Its impedance decreases with the frequency, so that we have a short circuit between the mains terminals and/or between the terminals and ground at high frequency. Capacitors for applications between the mains terminals are called X-capacitors.

X-capacitors, also called across the line capacitors, are capacitors with unlimited capacitance for use where their failure due to a short circuit would not lead to the danger of an electric shock. Capacitors for applications between terminals and ground are called Y-capacitors.

Y-capacitors, also called line bypass capacitors, are capacitors which serves to reduce asymmetrical interference voltage, and are located between a live conductor and the metal case which may be touched.

What are suppression capacitors used for?

EMI suppression ceramic capacitors are used in a wide variety of applications, for example, for RFI suppression and prevention of electrical shock to humans and animals. The special features of these certified components are self-extinction in case of fire (UL 94 V-0) and their overvoltage protection. These capacitors are available for both X and Y categories and their subclasses.

The Vishay WKO series AC line rated Single-layer Suppression Ceramic Capacitors consist of ceramic disc both sides of which are silver plated. Connection leads are made of tinned copper having diameters of 0.6 or 0.8mm. The capacitors may be supplied with straight or kinked leads having a lead spacing of 7.5 or 12.5mm. They are suitable for X1, Y2 according to IEC 60384-14.4, and line-by-pass applications.

High reliability
Blue coloured flame-retardant epoxy resin coating
UL94V-0 Flammability rating
Safety and industrial applications

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			Price For		Quantity

VJ2220Y103KXUSTX2A	4208305 Data Sheet RoHS	VISHAY Ceramic Suppression Capacitor 0.01 µF ± 10% X2 250 VAC 250 VAC 2220 [5650 Metric]	Each (Supplied on Cut Tape) Cut Tape	1+ HK$22.100 50+ HK$12.600 100+ HK$11.780 250+ HK$11.050 500+ HK$10.320 More Pricing...	Total:HK$22.10 Min: 1 / Mult: 1	0.01µF	± 10%	-	X2	250VAC	250VAC	-	2220 [5650 Metric]	-	Surface Mount	-	-	-	VJ Series	-	-55°C	125°C	-
C711U102MYVDBA7317	4146262 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1000 pF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	10+ HK$3.610 50+ HK$3.450 100+ HK$3.280 500+ HK$2.730 1000+ HK$2.540 More Pricing...	Total:HK$36.10 Min: 10 / Mult: 10	1000pF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C771U332MSWDBA7317	4146255 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 3300 pF ± 20% X1 / Y1 440 VAC 400 VAC Radial Leaded	Each	10+ HK$5.130 50+ HK$4.920 100+ HK$4.710 750+ HK$3.490 1500+ HK$3.430 More Pricing...	Total:HK$51.30 Min: 10 / Mult: 10	3300pF	± 20%	-	X1 / Y1	440VAC	400VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-40°C	125°C	-
C781U682MZVDCA7317	4146329 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 6800 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	1+ HK$24.760 10+ HK$17.340 50+ HK$16.370 100+ HK$15.390 750+ HK$11.390	Total:HK$24.76 Min: 1 / Mult: 1	6800pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C711U102MZWDBA7317	4146297 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1000 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$4.040 50+ HK$3.870 100+ HK$3.690 500+ HK$3.090 1000+ HK$2.900 More Pricing...	Total:HK$40.40 Min: 10 / Mult: 10	1000pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C711U471KZYDAAWL25	4146301 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 470 pF ± 10% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$3.830 200+ HK$2.130 600+ HK$2.120 1000+ HK$1.740 2000+ HK$1.630 More Pricing...	Total:HK$38.30 Min: 10 / Mult: 10	470pF	± 10%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C787U682MZVDBAWL35	4146334 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 6800 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	1+ HK$24.760 10+ HK$17.340 50+ HK$16.840 100+ HK$16.330 500+ HK$11.880 More Pricing...	Total:HK$24.76 Min: 1 / Mult: 1	6800pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	C700 Series	-	-55°C	125°C	-
C771U472MYWDCAWL35	4146288 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 4700 pF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	1+ HK$20.860 10+ HK$14.770 50+ HK$13.120 100+ HK$11.250 500+ HK$9.460 More Pricing...	Total:HK$20.86 Min: 1 / Mult: 1	4700pF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C797U103MZVDBAWL35	4146338 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 0.01 µF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	1+ HK$40.960 10+ HK$20.440 50+ HK$20.270 100+ HK$20.100 500+ HK$19.800 More Pricing...	Total:HK$40.96 Min: 1 / Mult: 1	0.01µF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	C700 Series	-	-55°C	125°C	-
C767U392MZWDBAWL50	4146330 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 3900 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$6.890 50+ HK$6.530 100+ HK$6.160 500+ HK$4.260 1000+ HK$4.030 More Pricing...	Total:HK$68.90 Min: 10 / Mult: 10	3900pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	C700 Series	-	-55°C	125°C	-
C741U152MSWDCA7317	4146249 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1500 pF ± 20% X1 / Y1 440 VAC 400 VAC Radial Leaded	Each	1+ HK$15.320 10+ HK$10.400 50+ HK$9.080 100+ HK$7.750 750+ HK$6.510 More Pricing...	Total:HK$15.32 Min: 1 / Mult: 1	1500pF	± 20%	-	X1 / Y1	440VAC	400VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-40°C	125°C	-
C777U472MYWDCA7317	4146290 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 4700 pF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	1+ HK$19.820 10+ HK$13.650 50+ HK$12.010 100+ HK$10.360 750+ HK$8.960 More Pricing...	Total:HK$19.82 Min: 1 / Mult: 1	4700pF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	C700 Series	-	-55°C	125°C	-
C751U102KSYDBA7317	4146253 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1000 pF ± 10% X1 / Y1 440 VAC 400 VAC Radial Leaded	Each	1+ HK$17.020 10+ HK$11.600 50+ HK$10.160 100+ HK$8.720 750+ HK$7.380 More Pricing...	Total:HK$17.02 Min: 1 / Mult: 1	1000pF	± 10%	-	X1 / Y1	440VAC	400VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-40°C	125°C	-
C777U472MZWDBAWL50	4146332 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 4700 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$6.990 50+ HK$6.630 100+ HK$6.270 500+ HK$4.750 1000+ HK$4.430 More Pricing...	Total:HK$69.90 Min: 10 / Mult: 10	4700pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	C700 Series	-	-55°C	125°C	-
C711U152MZVDBA7317	4146298 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1500 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$5.950 50+ HK$5.110 100+ HK$4.270 500+ HK$4.210 1000+ HK$2.870 More Pricing...	Total:HK$59.50 Min: 10 / Mult: 10	1500pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C711U471KZYDCAWL50	4146302 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 470 pF ± 10% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$4.650 50+ HK$4.250 100+ HK$3.850 500+ HK$2.740 1000+ HK$2.570 More Pricing...	Total:HK$46.50 Min: 10 / Mult: 10	470pF	± 10%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C791U103MYVDAA7317	4146291 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 0.01 µF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	1+ HK$33.050 10+ HK$23.510 50+ HK$21.050 100+ HK$18.580 750+ HK$16.700 More Pricing...	Total:HK$33.05 Min: 1 / Mult: 1	0.01µF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C711U471KYYDAAWL25	4146229 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 470 pF ± 10% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	10+ HK$3.070 200+ HK$1.520 600+ HK$1.510 1000+ HK$1.420 2000+ HK$1.370 More Pricing...	Total:HK$30.70 Min: 10 / Mult: 10	470pF	± 10%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C791U103MYVDBAWL25	4146294 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 0.01 µF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	10+ HK$6.220 50+ HK$5.190 200+ HK$4.160 600+ HK$3.740 1000+ HK$3.570 More Pricing...	Total:HK$62.20 Min: 10 / Mult: 10	0.01µF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C731U222MZWDBA7317	4146316 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 2200 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$5.330 50+ HK$5.120 100+ HK$3.820 500+ HK$3.690 1000+ HK$2.730	Total:HK$53.30 Min: 10 / Mult: 10	2200pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C741U392MYVDBA7317	4146278 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 3900 pF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	10+ HK$4.820 50+ HK$4.150 100+ HK$3.470 750+ HK$2.760 1500+ HK$2.540 More Pricing...	Total:HK$48.20 Min: 10 / Mult: 10	3900pF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C711U102MZWDBAWL50	4146305 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 1000 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each	10+ HK$3.610 50+ HK$3.590 100+ HK$3.560 500+ HK$2.110 1000+ HK$1.950 More Pricing...	Total:HK$36.10 Min: 10 / Mult: 10	1000pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
C731U222MYWDAAWL25	4146230 Data Sheet RoHS	KEMET Ceramic Suppression Capacitor 2200 pF ± 20% X1 / Y2 400 VAC 250 VAC Radial Leaded	Each	1+ HK$13.990 10+ HK$9.620 50+ HK$8.410 200+ HK$7.190 600+ HK$6.080 More Pricing...	Total:HK$13.99 Min: 1 / Mult: 1	2200pF	± 20%	-	X1 / Y2	400VAC	250VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	C700 Series	-	-55°C	125°C	-
AY1472M65Y5UC6TV0	4260678RL Data Sheet RoHS	VISHAY Ceramic Suppression Capacitor 4700 pF ± 20% X1 / Y1 760 VAC 500 VAC Radial Leaded	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ HK$5.680 200+ HK$5.210 500+ HK$4.740	Total:HK$568.00 Min: 100 / Mult: 1	4700pF	± 20%	-	X1 / Y1	760VAC	500VAC	-	Radial Leaded	-	Through Hole	10mm	-	-	AY1 Series	-	-55°C	125°C	-
AY2472M49Y5US6TV7	4260728RL Data Sheet RoHS	VISHAY Ceramic Suppression Capacitor 4700 pF ± 20% X1 / Y2 440 VAC 300 VAC Radial Leaded	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ HK$2.840 250+ HK$2.640 500+ HK$2.430 1000+ HK$2.060	Total:HK$284.00 Min: 100 / Mult: 1	4700pF	± 20%	-	X1 / Y2	440VAC	300VAC	-	Radial Leaded	-	Through Hole	7.5mm	-	-	AY2 Series	-	-55°C	125°C	-