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 (CAD) 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
$3.63
$2.48
$2.02
$1.89
Reel
$1.51
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) 32In Stock
500Expected 2027-08-04
Cut Tape
$5.96
$4.23
$3.53
$3.33
Reel
$2.94
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
$9.16
$6.68
$5.69
$5.37
Reel
$4.85
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
$6.09
$4.32
$3.61
$3.40
Reel
$3.02
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
$8.91
$6.35
$5.43
$4.94
Reel
$4.35
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
$7.07
$5.07
$4.28
$4.03
Reel
$3.61
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
$4.44
$3.08
$2.53
$2.38
Reel
$2.03
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
$1.32
$1.22
$1.16
$1.14
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
$4.65
$3.37
$2.92
$2.56
Reel
$2.26
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
$3.48
$3.47
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
$2.89
$2.62
$2.55
$2.40
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
$3.83
$3.66
$3.41
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
$3.00
$2.71
$2.65
$2.49
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
$3.70
$3.54
$3.30
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
$7.37
$5.28
$4.45
$4.20
Reel
$3.74
$3.54
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
$3.70
$3.54
$3.30
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
$6.03
$4.33
$3.76
$3.31
Reel
$2.97
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
$4.71
$4.49
$4.19
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
$3.51
$3.17
$3.10
$2.92
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
$5.93
$5.66
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
$12.15
$8.97
$7.57
$7.24
Reel
$3.74
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 40 Weeks
Reel
$1.14
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 40 Weeks
Reel
$1.08
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 40 Weeks
Cut Tape
$3.10
$2.17
$1.86
$1.63
$1.42
Reel
$1.20
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 40 Weeks
Reel
$1.16
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 20 % 250 VAC