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 (GBP) 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 2,347In Stock
Min.: 1
Mult.: 1
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1000 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2211 250Vac Safety X1,Y2 TUV/UL certified 2.2nF 10% X7R(2R1) 2,250In Stock
Min.: 1
Mult.: 1
Reel: 750

Ceramic Capacitors Ceramic Capacitors SMD/SMT 2211 5728 2200 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 1nF 10% X7R (2R1) 372In Stock
Min.: 1
Mult.: 1
Reel: 500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 2220 5750 1000 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2200PF 250V 10% 2220 100In Stock
Min.: 1
Mult.: 1
Reel: 500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 2220 5750 2200 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 4.7nF 10% X7R (2R1) 362In Stock
Min.: 1
Mult.: 1
Reel: 500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 2220 5750 4700 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2220 Safety 305Vac X1, 250Vac Y2 TUV/UL certified 10nF 10% X7R (2R1)
8,000Expected 08/04/2026
Min.: 1
Mult.: 1
Reel: 500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 2220 5750 10 %
Knowles Syfer Safety Capacitors 2200pF X7R 2220 10percent
1,000On Order
Min.: 1
Mult.: 1
Reel: 500

Safety Capacitors Safety MLCCs SMD/SMT 2200 pF 10 % 2.5 kVDC 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
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 1808 4520 1000 pF 5 %
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
Min.: 1
Mult.: 1
Reel: 500

Ceramic Capacitors Ceramic Capacitors SMD/SMT 1812 4532 2200 pF 20 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 10 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 10percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 10 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 10percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1000 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1000 pF 20 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 330pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 330 pF 20 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 680pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 680 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 4.7pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 4.7 pF 0.5 pF
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 6.8pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 6.8 pF 0.5 pF
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1000 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 1000 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 5 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 10percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 150 pF 10 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 1percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 1 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 2percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 2 %
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

Ceramic Capacitors General Type MLCCs SMD/SMT 1808 4520 27 pF 5 %