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

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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) 244In Stock
Cut Tape
$5.96
$4.23
$3.53
$3.33
Reel
$2.94
Min.: 1
Mult.: 1
: 500
Miltilayer 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 33In Stock
9,000Expected 2027-01-27
Cut Tape
$9.16
$6.68
$5.69
$5.37
Reel
$4.85
$4.61
Min.: 1
Mult.: 1
: 500
Miltilayer 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
$5.98
$4.25
$3.56
$3.34
Reel
$3.11
Min.: 1
Mult.: 1
: 500
Miltilayer 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 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
$2.02
Min.: 1
Mult.: 1
: 750
Miltilayer 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
Miltilayer 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
Miltilayer Ceramic Capacitors Automotive MLCCs SMD/SMT 1812 4532 2.2 nF 20 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.23
$1.14
$1.08
$1.06
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
$1.19
$1.10
$1.04
$0.996
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 10 Weeks
Cut Tape
$3.10
$2.17
$1.86
$1.63
Reel
$1.29
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
$1.25
$1.16
$1.10
$1.07
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 20 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 330pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.35
$1.25
$1.18
$1.16
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 330 pF 20 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 680pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.97
$1.89
$1.79
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 680 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 4.7pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Reel
$1.09
$1.01
$0.955
$0.916
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 4.7 pF 0.5 pF 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 6.8pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Reel
$1.05
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 6.8 pF 0.5 pF 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.43
$1.40
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$2.38
$2.32
$2.19
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1 nF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$2.61
$2.55
$2.40
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.48
$1.38
$1.31
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 10percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.25
$1.18
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 10 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 1percent Non-Stocked Lead-Time 10 Weeks
Reel
$6.75
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 1 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 2percent Non-Stocked Lead-Time 10 Weeks
Reel
$3.37
$3.23
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 2 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$2.04
$1.94
$1.84
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 5 % 250 VAC
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 330pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.57
$1.45
$1.39
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 330 pF 5 % 250 VAC