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 (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
$3.28
$2.24
$1.82
$1.70
Reel
$1.37
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
$5.38
$3.82
$3.19
$3.00
Reel
$2.65
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 1/27/2027
Cut Tape
$8.27
$6.03
$5.14
$4.85
Reel
$4.38
$4.16
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 5/5/2027
Cut Tape
$5.40
$3.84
$3.21
$3.02
Reel
$2.81
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
$8.05
$5.73
$4.90
$4.46
Reel
$3.93
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 1/27/2027
Cut Tape
$4.00
$2.78
$2.29
$2.15
Reel
$1.82
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
$1.19
$1.11
$1.05
$1.03
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
$4.20
$3.04
$2.64
$2.31
Reel
$2.04
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
$1.11
$1.03
$0.974
$0.953
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
$1.07
$0.991
$0.937
$0.90
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
$2.80
$1.96
$1.68
$1.47
Reel
$1.17
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
$1.13
$1.05
$0.991
$0.97
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
$1.22
$1.13
$1.07
$1.05
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
$1.78
$1.70
$1.61
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
$0.987
$0.91
$0.862
$0.827
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
$0.946
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
$1.29
$1.26
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
$2.15
$2.09
$1.98
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
$2.35
$2.30
$2.17
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
$1.34
$1.25
$1.18
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
$1.13
$1.06
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
$6.10
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
$3.04
$2.91
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
$1.85
$1.76
$1.66
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
$1.42
$1.31
$1.25
Min.: 1,500
Mult.: 1,500
: 1,500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 330 pF 5 % 250 VAC