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 (IDR) 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
Rp45.315
Rp31.005
Rp25.317
Rp23.483
Reel
Rp18.896
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
Rp75.952
Rp53.937
Rp44.948
Rp42.379
Reel
Rp37.426
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 27/01/2027
Cut Tape
Rp116.681
Rp85.125
Rp72.467
Rp68.431
Reel
Rp61.826
Rp58.707
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 05/05/2027
Cut Tape
Rp76.136
Rp54.121
Rp45.315
Rp42.563
Reel
Rp39.627
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
Rp113.562
Rp80.906
Rp69.164
Rp62.927
Reel
Rp55.405
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 27/01/2027
Cut Tape
Rp56.506
Rp39.260
Rp32.289
Rp30.271
Reel
Rp25.684
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
Rp16.860
Rp15.594
Rp14.787
Rp14.475
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
Rp59.258
Rp42.930
Rp37.242
Rp32.656
Reel
Rp28.803
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
Rp15.667
Rp14.493
Rp13.741
Rp13.448
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
Rp15.154
Rp13.980
Rp13.227
Rp12.695
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
Rp39.444
Rp27.702
Rp23.666
Rp20.731
Reel
Rp16.493
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
Rp15.943
Rp14.750
Rp13.980
Rp13.686
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
Rp17.190
Rp15.906
Rp15.080
Rp14.769
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
Rp25.134
Rp24.033
Rp22.749
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
Rp13.925
Rp12.842
Rp12.163
Rp11.668
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
Rp13.356
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
Rp18.163
Rp17.851
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
Rp30.271
Rp29.537
Rp27.886
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
Rp33.206
Rp32.472
Rp30.638
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
Rp18.896
Rp17.594
Rp16.713
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
Rp15.943
Rp15.007
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
Rp86.043
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
Rp42.930
Rp41.095
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
Rp26.051
Rp24.767
Rp23.483
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
Rp19.997
Rp18.529
Rp17.667
Min.: 1.500
Mult.: 1.500
: 1.500
Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 330 pF 5 % 250 VAC