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 (SGD) 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
$3.43
$2.34
$1.90
$1.78
Reel
$1.43
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 4/8/2027
Cut Tape
$5.63
$4.00
$3.33
$3.14
Reel
$2.77
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 27/1/2027
Cut Tape
$8.65
$6.31
$5.37
$5.07
Reel
$4.58
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 5/5/2027
Cut Tape
$5.75
$4.08
$3.41
$3.21
Reel
$2.86
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
$8.42
$6.00
$5.13
$4.66
Reel
$4.11
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 2/6/2027
Cut Tape
$6.68
$4.79
$4.04
$3.81
Reel
$3.41
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 27/1/2027
Cut Tape
$4.19
$2.91
$2.39
$2.24
Reel
$1.92
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
$1.25
$1.16
$1.10
$1.07
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
$4.39
$3.18
$2.76
$2.42
Reel
$2.14
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
$3.29
$3.28
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
$2.73
$2.48
$2.41
$2.27
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
$3.62
$3.45
$3.22
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
$2.83
$2.56
$2.50
$2.35
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
$3.50
$3.35
$3.11
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
$6.96
$4.99
$4.20
$3.97
Reel
$3.54
$3.35
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
$3.50
$3.35
$3.11
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
$5.70
$4.09
$3.55
$3.13
Reel
$2.80
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
$4.45
$4.24
$3.96
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
$3.32
$2.99
$2.92
$2.76
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
$5.60
$5.34
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
$11.48
$8.47
$7.15
$6.84
Reel
$3.54
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
$1.08
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
$1.02
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
$2.92
$2.05
$1.75
$1.54
$1.34
Reel
$1.13
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
$1.10
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 20 % 250 VAC