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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	Newark Part No.	Description / Manufacturer	Price for:	Price	Quantity	Dielectric Type	Capacitor Case / Package	Capacitor Case Style	Capacitance	Suppression Class	Capacitance Tolerance	Capacitor Dielectric Type	Capacitor Mounting	Voltage Rating X	Voltage Rating Y	dv/dt Rating	Capacitor Terminals	Humidity Rating	Lead Spacing	Operating Temperature Range	Operating Temperature Min	Operating Temperature Max	Qualification	Supplier Package	Series Name
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224MKP275KB	30K6661 Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.22 µF, ± 10%, X2, Through Hole CORNELL DUBILIER You previously purchased this product. View in Order History	Each	1+ $1.09 10+ $0.659 25+ $0.63 50+ $0.599 100+ $0.57 500+ $0.442 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	X2	± 10%	-	Through Hole	310VAC	-	300V/µs	-	GRADE II (Test Condition A)	15mm	-	-40°C	110°C	-	-	-
BFC233820472	96B2288 Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 4700 pF, ± 20%, X2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ $0.549 10+ $0.549 25+ $0.549 50+ $0.549 100+ $0.549 500+ $0.549 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	-	4700pF	X2	± 20%	-	Through Hole	310VAC	-	600V/µs	-	GRADE II (Test Condition A)	7.5mm	-	-55°C	105°C	-	-	-
PMR209MC6100M100R30	69K0980 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+ $6.54 10+ $5.12 25+ $4.99 50+ $4.87 100+ $3.66 500+ $3.37 1000+ $3.30 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	X2	± 20%	-	Through Hole	250VAC	-	-	-	GRADE II (Test Condition A)	20.3mm	-	-40°C	85°C	-	-	-
BFC233820473	96B2289 Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.047 µF, ± 20%, X2, Through Hole VISHAY You previously purchased this product. View in Order History	Each	1+ $1.67 10+ $1.08 25+ $0.961 50+ $0.847 100+ $0.764 500+ $0.601 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	-	47000pF	X2	± 20%	-	Through Hole	310VAC	-	600V/µs	-	GRADE II (Test Condition A)	7.5mm	-	-55°C	105°C	-	-	-
PME271Y510MR30	26M1971 Data Sheet + RoHS Date/Lot Code	FILM CAPACITOR, 0.01UF, 1 kV, 20%, RADIAL KEMET You previously purchased this product. View in Order History	Each	1+ $2.05 10+ $1.63 25+ $1.52 50+ $1.41 100+ $1.22 500+ $0.918 1000+ $0.809 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	0	-	10000pF	Y2	± 20%	-	Through Hole	-	250VAC	1.4kV/µs	-	GRADE II (Test Condition A)	15.2mm	-	-40°C	100°C	-	-	-

PHE850EA4470MA03R17	61M2389 Data Sheet + RoHS Date/Lot Code	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	1+ $0.851 10+ $0.599 25+ $0.54 50+ $0.477 100+ $0.441 500+ $0.33 1000+ $0.288 2500+ $0.255 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	-	4700pF	Y2	± 20%	-	Through Hole	-	300VAC	100V/µs	-	GRADE II (Test Condition A)	10mm	-	-55°C	110°C	-	-	-

B32922C3104M000	96K7503 Data Sheet Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.1 µF, ± 20%, X2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ $0.166 10+ $0.166 25+ $0.166 50+ $0.166 100+ $0.166 500+ $0.166 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	-	0.1µF	X2	± 20%	-	Through Hole	305VAC	-	340V/µs	-	GRADE II (Test Condition A)	15mm	-	-40°C	110°C	-	-	-

PHE850EB5470MB14R17	31Y3417 Data Sheet Data Sheet + RoHS Date/Lot Code	CAP, 0.047µF, 20%, PP, RADIAL KEMET You previously purchased this product. View in Order History	Each	10+ $1.28 25+ $1.20 50+ $1.11 100+ $0.896 500+ $0.811 1000+ $0.726 2500+ $0.598 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	0	-	47000pF	Y2	± 20%	-	Through Hole	-	300VAC	100V/µs	-	GRADE II (Test Condition A)	15mm	-	-55°C	110°C	-	-	-

BFC233820335	98K6939 Data Sheet Data Sheet + RoHS Date/Lot Code	CAP, 3.3µF, 20%, PP VISHAY You previously purchased this product. View in Order History	Each	1+ $7.20 10+ $6.40 25+ $6.09 50+ $5.77 100+ $5.40 500+ $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 PP	0	-	3.3µF	X2	± 20%	-	Through Hole	310VAC	-	100V/µs	-	GRADE II (Test Condition A)	27.5mm	-	-55°C	105°C	-	-	-

PME271M610MR30	11N7706 Data Sheet Data Sheet + RoHS Date/Lot Code	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+ $2.76 10+ $2.16 25+ $1.98 50+ $1.78 100+ $1.49 500+ $1.38 1000+ $1.22 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	X2	± 20%	-	Through Hole	275VAC	-	600V/µs	-	GRADE II (Test Condition A)	24mm	-	-40°C	110°C	-	-	-

B32922D3334K000	42Y0134 Data Sheet Data Sheet + RoHS Date/Lot Code	CAP, 0.33µF, 10%, PP EPCOS You previously purchased this product. View in Order History	Each	1+ $1.24 10+ $0.954 25+ $0.879 50+ $0.802 100+ $0.70 500+ $0.554 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	0	-	0.33µF	X2	± 10%	-	Through Hole	305VAC	-	340V/µs	-	GRADE II (Test Condition A)	15mm	-	-40°C	110°C	-	-	-

B32021A3472M000	14N9212 Data Sheet Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 4700 pF, ± 20%, Y2, Through Hole EPCOS You previously purchased this product. View in Order History	Each	1+ $1.15 10+ $0.846 25+ $0.764 50+ $0.682 100+ $0.586 500+ $0.469 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	-	4700pF	Y2	± 20%	-	Through Hole	-	300VAC	800V/µs	-	-	10mm	-	-40°C	110°C	-	-	-

PHE844RD6100MR30L2	31Y3402 Data Sheet Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.1 µF, ± 20%, X1, Through Hole KEMET You previously purchased this product. View in Order History	Each	1+ $2.12 10+ $1.46 25+ $1.35 50+ $1.23 100+ $1.12 500+ $0.947 1000+ $0.85 2500+ $0.752 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	-	0.1µF	X1	± 20%	-	Through Hole	440VAC	-	100V/µs	-	GRADE II (Test Condition A)	22.5mm	-	-40°C	105°C	-	-	-

B32924C3565M000	14AC3435 Data Sheet + RoHS Date/Lot Code	CAP, 5.6µF, 20%, PP EPCOS You previously purchased this product. View in Order History	Each	1+ $5.98 10+ $5.44 25+ $5.02 50+ $4.63 100+ $4.22 500+ $3.55 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	0	-	5.6µF	X2	± 20%	-	Through Hole	305VAC	-	120V/µs	-	GRADE II (Test Condition A)	27.5mm	-	-40°C	110°C	-	-	-

B32021A3222M189	80Y2240 Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 2200 pF, ± 20%, Y2, Through Hole EPCOS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ $1.02 10+ $0.751 25+ $0.676 50+ $0.599 100+ $0.524	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	-	2200pF	Y2	± 20%	-	Through Hole	-	300VAC	800V/µs	-	-	10mm	-	-40°C	110°C	-	-	-

B32924A4474M000	82AH6989 Data Sheet + RoHS Date/Lot Code	CAP, 0.47UF, CLASS X2, 350V, RAD ROHS COMPLIANT: YES EPCOS You previously purchased this product. View in Order History	Each	1+ $3.72 10+ $2.73 25+ $2.62 50+ $2.51 100+ $2.38 500+ $1.87 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	0	-	0.47µF	X2	± 20%	-	Through Hole	305VAC	-	80V/µs	-	GRADE II (Test Condition A)	27.5mm	-	-40°C	110°C	AEC-Q200	-	-

ECQUBAF104V2	91AH9954 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.1 µF, ± 20%, X1, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ $0.16 10+ $0.16 25+ $0.16 50+ $0.16 100+ $0.16 500+ $0.16 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	-	0.1µF	X1	± 20%	-	Through Hole	300VAC	-	-	-	GRADE II (Test Condition B)	12.5mm	-	-40°C	110°C	-	-	-

ECQ-UBAF222MA	91AH9999 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 2200 pF, ± 20%, X1 / Y2, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ $0.164 10+ $0.164 25+ $0.164 50+ $0.164 100+ $0.164 500+ $0.164 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	-	2200pF	X1 / Y2	± 20%	-	Through Hole	300VAC	300VAC	-	-	GRADE II (Test Condition B)	12.5mm	-	-40°C	110°C	-	-	-

ECQUAAV684S1	13AJ5722 Data Sheet + RoHS Date/Lot Code	SAFETY CAP, 0.68UF, X2, 310V, RADIAL ROHS COMPLIANT: YES PANASONIC You previously purchased this product. View in Order History	Each	1+ $2.05 10+ $1.64 25+ $1.55 50+ $1.45 100+ $1.27 500+ $0.986 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	0	-	0.68µF	X2	± 20%	-	Through Hole	310VAC	-	-	-	GRADE III (Test Condition B)	22.5mm	-	-40°C	110°C	AEC-Q200	-	-

R46KN3680JBM2M	69AH2092 Data Sheet + RoHS Date/Lot Code	SUPPRESSION CAP, 0.68UF, X2, 275V ROHS COMPLIANT: YES KEMET You previously purchased this product. View in Order History	Each	10+ $1.22 25+ $1.12 50+ $1.02 100+ $0.889 500+ $0.702	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	0	-	0.68µF	X2	± 20%	-	Through Hole	275VAC	-	200V/µs	-	GRADE II (Test Condition A)	22.5mm	-	-40°C	110°C	-	-	-

ECQUBAF474M	92AH0071 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.47 µF, ± 20%, X1, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ $2.31 10+ $1.64 25+ $1.57 50+ $1.49 100+ $1.42 500+ $1.11 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Radial Box - 2 Pin	-	0.47µF	X1	± 20%	-	Through Hole	300VAC	-	-	-	GRADE II (Test Condition B)	22.5mm	-	-40°C	110°C	-	-	-

R413I222050T1K	66AH4488 Data Sheet + RoHS Date/Lot Code	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 0.022 µF, ± 10%, Y2, Through Hole KEMET You previously purchased this product. View in Order History	Each	1+ $0.894 10+ $0.63 25+ $0.576 50+ $0.522 100+ $0.447 500+ $0.355 1000+ $0.301 2500+ $0.278 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	-	22000pF	Y2	± 10%	-	Through Hole	-	300VAC	600V/µs	-	GRADE III (Test Condition B)	15mm	-	-40°C	125°C	AEC-Q200	-	-

R46KI347000M1M	69AH2085 Data Sheet + RoHS Date/Lot Code	SUPPRESSION CAP, 0.47UF, X2, 275V ROHS COMPLIANT: YES KEMET You previously purchased this product. View in Order History	Each	10+ $1.09 25+ $1.00 50+ $0.915 100+ $0.795 500+ $0.63	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	Metallized PP	0	-	0.47µF	X2	± 20%	-	Through Hole	275VAC	-	400V/µs	-	GRADE II (Test Condition A)	15mm	-	-40°C	110°C	-	-	-

B32926C3685K000	82AH6992 Data Sheet + RoHS Date/Lot Code	CAP, 6.8UF, CLASS X2, 305V, RAD ROHS COMPLIANT: YES EPCOS You previously purchased this product. View in Order History	Each	1+ $7.06 10+ $6.36 25+ $5.93 50+ $5.51 100+ $4.81 500+ $3.95 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	0	-	6.8µF	X2	± 10%	-	Through Hole	305VAC	-	80V/µs	-	GRADE II (Test Condition A)	37.5mm	-	-40°C	110°C	-	-	-

ECQ-UBAF222M	91AH9998 Data Sheet + RoHS	Safety Capacitor, Metallized PP, Radial Box - 2 Pin, 2200 pF, ± 20%, X1 / Y2, Through Hole PANASONIC You previously purchased this product. View in Order History	Each	1+ $1.08 10+ $0.583 25+ $0.556 50+ $0.531 100+ $0.505 500+ $0.374 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	-	2200pF	X1 / Y2	± 20%	-	Through Hole	300VAC	300VAC	-	-	GRADE II (Test Condition B)	12.5mm	-	-40°C	110°C	-	-	-