Noise Suppression & Safety Capacitors

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We supply a wide range of Noise Suppression & Safety Capacitors to Delta, X1, X2, Y1 and Y2 suppression classes

What is a noise suppression safety capacitor?

Class-X and Class-Y noise suppression safety capacitors are safety-certified and generally designed and used in AC line filtering in many electronic device applications. These safety capacitors are also known by other names, including EMI/RFI suppression capacitors and AC line filter safety capacitors. (EMI stands for electromagnetic interference and RFI stands for radio-frequency interference; RFI is simply higher-frequency EMI.)

What does a noise suppression capacitor do?

For these capacitors to perform their EMI/RFI filtering tasks, they are directly connected to the AC line and neutral power input. And because of this direct connection to the AC voltage, the capacitors may be subjected to overvoltages and/or voltage transients—lightning strikes, power surges. Thus, capacitor failure is a very real possibility.

When a Class-X capacitor, also referred to as an "across the line capacitor"—the capacitor placed between line and neutral—fails because of an overvoltage event, it is likely to fail short. This failure, in turn, would cause an overcurrent protective device, like a fuse or circuit breaker, to open. Therefore, a capacitor failing in this fashion would not cause any electrical shock hazards.

If a Class-Y capacitor, also known as the "line to ground capacitor" or "the line bypass capacitor"—the capacitor placed between line and ground—fails short, this could lead to a fatal electric shock due to the loss of the ground connection. Class-Y safety capacitors are designed to fail open. A failure will cause your electronic device to be subjected to the noise and interference that the capacitor would normally filter out, but at least there will be no fatal electric shock hazard.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price	Quantity	Dielectric Type	Capacitor Case / Package	Voltage Rating	Current Rating	Capacitance	Capacitance Tolerance	Suppression Class	Capacitor Mounting	Voltage(AC)	Voltage Rating X	Voltage Rating Y	dv/dt Rating	Capacitor Terminals	Humidity Rating	Lead Spacing	Operating Temperature Min	Operating Temperature Max	Product Range	Qualification	Product Height
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R46KF310040P1M	2495826 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.1 µF, ± 20%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	10+ HK$3.84 100+ HK$2.63 500+ HK$2.08 1000+ HK$1.76 1500+ HK$1.64 10500+ HK$1.48 24000+ HK$1.44 51000+ HK$1.41 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	0.1µF	± 20%	X2	Through Hole	-	275VAC	-	500V/µs	-	GRADE II (Test Condition A)	10mm	-40°C	110°C	R46 Series	-	-
R46KI310000M1K	2429368 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.1 µF, ± 10%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	10+ HK$3.16 50+ HK$2.38 100+ HK$2.08 500+ HK$1.55 1000+ HK$1.31 2500+ HK$1.24 5000+ HK$1.16 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	0.1µF	± 10%	X2	Through Hole	-	275VAC	-	400V/µs	-	GRADE II (Test Condition A)	15mm	-40°C	110°C	R46 Series	-	-
B32926C3685K000	3519153 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 6.8 µF, ± 10%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ HK$39.61 10+ HK$35.67 50+ HK$30.91 100+ HK$26.95 500+ HK$22.20 1000+ HK$20.61 2500+ HK$20.21 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	6.8µF	± 10%	X2	Through Hole	-	305VAC	-	80V/µs	-	GRADE II (Test Condition A)	37.5mm	-40°C	110°C	B32926	-	-
PMR209MC6100M220R30	3288366 Data Sheet + RoHS	Safety Capacitor, Metallized Paper, Radial Box - 2 Pin, 0.1 µF, ± 20%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	1+ HK$15.39 10+ HK$13.69 50+ HK$13.25 100+ HK$9.25 600+ HK$9.18 2100+ HK$8.44 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized Paper	Radial Box - 2 Pin	-	-	0.1µF	± 20%	X2	Through Hole	-	250VAC	-	-	-	GRADE II (Test Condition A)	20.3mm	-40°C	85°C	PMR209 Series	-	-
B32924H3475M000	2677891 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 4.7 µF, ± 20%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ HK$35.21 10+ HK$31.66 50+ HK$27.44 100+ HK$23.93 500+ HK$19.70 1000+ HK$18.30 2500+ HK$17.95 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	4.7µF	± 20%	X2	Through Hole	-	305VAC	-	120V/µs	-	GRADE II (Test Condition A)	27.5mm	-40°C	110°C	B32924	AEC-Q200	-

890324023019	2455990 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 68000 pF, ± 10%, X2, Through Hole WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ HK$2.88 50+ HK$2.47 100+ HK$2.14 250+ HK$1.91 500+ HK$1.67 1000+ HK$1.59 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	68000pF	± 10%	X2	Through Hole	-	275VAC	-	400V/µs	-	GRADE II (Test Condition A)	10mm	-40°C	105°C	WCAP-FT	-	-

R413F147050M1M	2446227 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 4700 pF, ± 20%, Y2, Through Hole KEMET You previously purchased this product. View in Order History	Each	10+ HK$4.43 50+ HK$3.35 100+ HK$2.91 500+ HK$2.16 1000+ HK$1.84 2500+ HK$1.73 5000+ HK$1.62 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	4700pF	± 20%	Y2	Through Hole	-	-	300VAC	800V/µs	-	GRADE II (Test Condition A)	10mm	-40°C	110°C	R41 Series	AEC-Q200	-

B32932A3104K000	2728578 Data Sheet + RoHS	Safety Capacitor, Metallized PET, Radial Box - 2 Pin, 0.1 µF, ± 10%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ HK$6.63 10+ HK$5.04 100+ HK$3.61 500+ HK$2.79 1000+ HK$2.41 2000+ HK$2.26 10000+ HK$2.11 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PET	Radial Box - 2 Pin	-	-	0.1µF	± 10%	X2	Through Hole	-	305VAC	-	90V/µs	-	GRADE III (Test Condition B)	15mm	-40°C	105°C	B32932	AEC-Q200	-

R46KN333000N0K	2763167 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.33 µF, ± 10%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	10+ HK$3.87 100+ HK$3.37 500+ HK$2.61 805+ HK$2.34 2415+ HK$2.09	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	0.33µF	± 10%	X2	Through Hole	-	275VAC	-	200V/µs	-	GRADE II (Test Condition A)	22.5mm	-40°C	110°C	R46 Series	-	-

B32024A3474M000	2468826 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.47 µF, ± 20%, Y2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ HK$29.10 10+ HK$24.50 50+ HK$21.95 100+ HK$20.23 480+ HK$16.20 1200+ HK$15.21 2160+ HK$14.80 5040+ HK$14.55 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.47µF	± 20%	Y2	Through Hole	-	-	300VAC	400V/µs	-	GRADE II (Test Condition A)	27.5mm	-40°C	110°C	B32024	-	-

890324023028CS	2450004 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.22 µF, ± 10%, X2, Through Hole WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ HK$4.51 50+ HK$3.57 100+ HK$3.19 250+ HK$2.93 500+ HK$2.55 1000+ HK$2.35 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.22µF	± 10%	X2	Through Hole	-	275VAC	-	300V/µs	-	GRADE II (Test Condition A)	10mm	-40°C	105°C	WCAP-FT	-	-

BFC233921105	3289290 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 1 µF, ± 20%, X2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ HK$26.56 10+ HK$21.38 50+ HK$18.42 100+ HK$16.61 500+ HK$12.33 1000+ HK$11.51 2000+ HK$11.10 5000+ HK$10.94 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	1µF	± 20%	X2	Through Hole	-	310VAC	-	100V/µs	-	GRADE II (Test Condition A)	27.5mm	-55°C	110°C	MKP339	AEC-Q200	-

B32933A3684K000	2797891 Data Sheet + RoHS	Safety Capacitor, Metallized PET, Radial Box - 2 Pin, 0.68 µF, ± 10%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	5+ HK$8.73 100+ HK$7.48 540+ HK$5.64 1080+ HK$4.97 2700+ HK$4.64 5400+ HK$4.59 More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	Metallized PET	Radial Box - 2 Pin	-	-	0.68µF	± 10%	X2	Through Hole	-	305VAC	-	50V/µs	-	GRADE III (Test Condition B)	22.5mm	-40°C	105°C	B32933	AEC-Q200	-

ECQUAAF105K	2806007 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 1 µF, ± 10%, X2, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ HK$9.54 10+ HK$6.65 100+ HK$5.69 500+ HK$4.30 1000+ HK$3.92 2500+ HK$3.66 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	1µF	± 10%	X2	Through Hole	-	275VAC	-	-	-	GRADE III (Test Condition B)	22.5mm	-40°C	110°C	ECQUA	AEC-Q200	-

F1772-510-2031	1166896 Data Sheet + RoHS	Safety Capacitor, Metallized PET, Radial Box - 2 Pin, 1 µF, ± 10%, X2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ HK$37.07 10+ HK$34.85 50+ HK$32.11 100+ HK$25.97 500+ HK$20.49 1000+ HK$19.02 2000+ HK$18.72 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PET	Radial Box - 2 Pin	-	-	1µF	± 10%	X2	Through Hole	-	310VAC	-	100V/µs	-	GRADE II (Test Condition A)	27.5mm	-40°C	110°C	F1772	-	-

BFC233860154	1166506 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.15 µF, ± 20%, Y2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ HK$33.46 10+ HK$30.09 50+ HK$26.88 100+ HK$23.43 600+ HK$18.83 1050+ HK$17.51 2100+ HK$17.18 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.15µF	± 20%	Y2	Through Hole	-	-	300VAC	100V/µs	-	GRADE II (Test Condition A)	22.5mm	-55°C	105°C	MKP3386	AEC-Q200	-

890324027025CS	2450035 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 3.3 µF, ± 10%, X2, Through Hole WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ HK$32.89 50+ HK$27.48 100+ HK$25.08 250+ HK$21.51 500+ HK$19.12 1000+ HK$18.52 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	3.3µF	± 10%	X2	Through Hole	-	275VAC	-	130V/µs	-	GRADE II (Test Condition A)	27.5mm	-40°C	105°C	WCAP-FT	-	-

890334026018	2455968 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.56 µF, ± 10%, X2, Through Hole WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ HK$6.64 50+ HK$5.72 100+ HK$5.09 250+ HK$4.45 500+ HK$4.02 1000+ HK$3.70 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.56µF	± 10%	X2	Through Hole	-	310VAC	-	160V/µs	-	GRADE II (Test Condition A)	22.5mm	-40°C	105°C	WCAP-FTXX	-	-

890324024005CS	2450008 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.47 µF, ± 10%, X2, Through Hole WURTH ELEKTRONIK You previously purchased this product. View in Order History	Each	1+ HK$6.15 50+ HK$5.29 100+ HK$4.71 250+ HK$4.11 500+ HK$3.73 1000+ HK$3.43 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.47µF	± 10%	X2	Through Hole	-	275VAC	-	280V/µs	-	GRADE II (Test Condition A)	12.5mm	-40°C	105°C	WCAP-FT	-	-

R46KF233040P0M	2495821 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 33000 pF, ± 20%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	10+ HK$5.08 50+ HK$4.06 100+ HK$3.48 500+ HK$2.76 1000+ HK$2.32 2500+ HK$2.18 5000+ HK$2.03 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	33000pF	± 20%	X2	Through Hole	-	275VAC	-	500V/µs	-	GRADE II (Test Condition A)	10mm	-40°C	110°C	R46 Series	-	-

B32021A3222K000	2728525 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 2200 pF, ± 10%, Y2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	10+ HK$4.38 50+ HK$3.51 100+ HK$3.01 500+ HK$2.38 1000+ HK$2.01 2500+ HK$1.88 5000+ HK$1.76 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	Radial Box - 2 Pin	-	-	2200pF	± 10%	Y2	Through Hole	-	-	300VAC	800V/µs	-	-	10mm	-40°C	110°C	B32021	-	-

PME264NB5100MR30	2729012 Data Sheet + RoHS	Safety Capacitor, Metallized Paper, Radial Box - 2 Pin, 10000 pF, ± 20%, X2, Through Hole KEMET You previously purchased this product. View in Order History	Each	1+ HK$13.02 10+ HK$10.29 100+ HK$7.70 400+ HK$5.87 1200+ HK$5.17 2800+ HK$4.82 5200+ HK$4.67 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized Paper	Radial Box - 2 Pin	-	-	10000pF	± 20%	X2	Through Hole	-	660VAC	-	1.4kV/µs	-	GRADE II (Test Condition A)	15.2mm	-40°C	85°C	PME264/P264 Series	-	-

F17734472000	3289318 Data Sheet + RoHS	Safety Capacitor, Metallized PET, Axial Leaded, 0.47 µF, ± 10%, X2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ HK$36.26 10+ HK$29.60 50+ HK$25.65 100+ HK$23.43 500+ HK$17.60 1000+ HK$16.69 2000+ HK$16.03 5000+ HK$15.79 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PET	Axial Leaded	-	-	0.47µF	± 10%	X2	Through Hole	-	253VAC	-	150V/µs	-	GRADE I (Test Condition A)	-	-40°C	100°C	F1773	-	-

B32924C3225M000	1112849 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 2.2 µF, ± 20%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ HK$15.77 10+ HK$11.92 100+ HK$9.65 520+ HK$7.36 1040+ HK$6.42 2600+ HK$6.19 5200+ HK$6.00 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	2.2µF	± 20%	X2	Through Hole	-	305VAC	-	120V/µs	-	GRADE II (Test Condition A)	27.5mm	-40°C	110°C	B32924	-	-

ECQUAAF474M	1907250 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.47 µF, ± 20%, X2, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ HK$5.80 10+ HK$4.27 50+ HK$3.42 100+ HK$2.93 500+ HK$2.32 1000+ HK$1.96 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	-	0.47µF	± 20%	X2	Through Hole	-	275VAC	-	-	-	GRADE III (Test Condition B)	22.5mm	-40°C	110°C	ECQUA	AEC-Q200	-