Enhanced Safety Capacitors (Class X1, X2, Y2)

Syfer / Knowles Enhanced Safety-Certified Capacitors (Class X1, X2, Y2) comply with international UL and TÜV specifications to provide designers the option of using a surface-mount ceramic multilayer capacitor to replace leaded film types. These capacitors offer the benefits of simple pick-and-place assembly, a lower profile, and reduced board space required. The FlexiCap™ version of these capacitors minimizes the risk of mechanical cracking. The lineup features a range of high capacitance values for selected case sizes. Syfer / Knowles Enhanced Safety-Certified Capacitors (Class X1, X2, Y2) are ideal for modems, AC-DC power supplies, and other applications where lightning strike or other voltage transients represent a threat to electronic equipment.

Types of Capacitors

Change category view
Results: 46
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Product Termination Style Case Code - in Case Code - mm Capacitance Tolerance Voltage Rating DC Voltage Rating AC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent 2,227In Stock
Cut Tape
$2.52
$1.72
$1.40
$1.31
Reel
$1.05
Min.: 1
Mult.: 1
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 1nF +/-10% X7R (2R1) 144In Stock
500Expected 2027/08/04
Cut Tape
$4.14
$2.94
$2.45
$2.31
Reel
$2.04
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 1 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT .01PF 250V 10% 2220 5In Stock
9,000Expected 2027/01/27
Cut Tape
$6.36
$4.64
$3.95
$3.73
Reel
$3.37
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2200PF 250V 10% 2220 291In Stock
500Expected 2027/05/05
Cut Tape
$4.23
$3.00
$2.51
$2.36
Reel
$2.11
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 2.2 nF 10 % 250 VAC
Knowles Syfer Safety Capacitors 2200pF X7R 2220 10percent 310In Stock
Cut Tape
$6.19
$4.41
$3.77
$3.43
Reel
$3.02
Min.: 1
Mult.: 1
: 500
Safety Capacitors Safety MLCCs SMD/SMT 2.2 nF 10 % 2.5 kVDC 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 4.7nF +/-10% X7R (2R1)
1,000Expected 2027/06/02
Cut Tape
$4.91
$3.52
$2.97
$2.80
Reel
$2.51
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 4.7 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2211 250Vac Safety X1,Y2 TUV/UL certified 2.2nF +/-10% X7R(2R1)
750Expected 2027/01/27
Cut Tape
$3.08
$2.14
$1.76
$1.65
Reel
$1.41
Min.: 1
Mult.: 1
: 750
Ceramic Capacitors Automotive MLCCs SMD/SMT 2211 5728 2.2 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1808 250Vac 1.00 nF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$0.919
$0.85
$0.806
$0.79
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors Automotive MLCCs SMD/SMT 1808 4520 1 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1812 250Vac 2.20 nF +/-20% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Cut Tape
$3.23
$2.34
$2.04
$1.78
Reel
$1.57
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 1812 4532 2.2 nF 20 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 150.00 pF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.42
$2.41
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 150 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 150.00 pF +/-10% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.01
$1.83
$1.77
$1.67
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 150 pF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 1.50 nF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.66
$2.54
$2.37
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 1.5 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 2.20 nF +/-10% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.08
$1.88
$1.84
$1.73
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 2.2 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 270.00 pF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.57
$2.47
$2.29
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 270 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 3.3nF +/-10% X7R (2R1) Non-Stocked Lead-Time 10 Weeks
Cut Tape
$5.12
$3.68
$3.09
$2.92
Reel
$2.61
$2.47
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 3.3 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 470.00 pF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.57
$2.47
$2.29
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 470 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 470pF +/-10% X7R (2R1) Non-Stocked Lead-Time 10 Weeks
Cut Tape
$4.19
$3.01
$2.61
$2.30
Reel
$2.06
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 470 pF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 4.70 nF +/-5% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$3.27
$3.12
$2.91
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 4.7 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac 4.70 nF +/-20% X7R (2R1) FlexiCap/Nickel Barrier, X1/Y2 Safety Certified Non-Stocked Lead-Time 10 Weeks
Reel
$2.44
$2.20
$2.15
$2.04
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 4.7 nF 20 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 250Vac Safety X1,Y2 TUV/UL certified 8.2nF +/-10% X7R(2R1) Non-Stocked Lead-Time 10 Weeks
Reel
$4.12
$3.93
Min.: 500
Mult.: 500
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 305Vac Safety X2 TUV/UL certified 10nF +/-10% X7R(2R1) Non-Stocked Lead-Time 10 Weeks
Cut Tape
$8.44
$6.23
$5.26
$5.04
Reel
$2.61
Min.: 1
Mult.: 1
: 500
Ceramic Capacitors Automotive MLCCs SMD/SMT 2220 5750 10 nF 10 % 305 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.854
$0.79
$0.749
$0.733
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 10 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 10percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.826
$0.762
$0.721
$0.692
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 10 pF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 10percent Non-Stocked Lead-Time 12 Weeks
Cut Tape
$2.15
$1.51
$1.29
$1.13
Reel
$0.899
Min.: 1
Mult.: 1
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.869
$0.804
$0.762
$0.747
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 20 % 250 VAC