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.

Results: 39
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Capacitance Dielectric Tolerance Case Code - in Case Code - mm Termination Style Termination Minimum Operating Temperature Maximum Operating Temperature Length Width Height Product Qualification Series Packaging
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent 2,227In Stock
Cut Tape
$2.52
$1.72
$1.40
$1.31
Reel
$1.05
Min.: 1
Mult.: 1
: 1,500
1 nF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel, Cut Tape, MouseReel
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
$4.14
$2.94
$2.45
$2.31
Reel
$2.04
Min.: 1
Mult.: 1
: 500
1 nF X7R 10 % 2220 5750 SMD/SMT Flexible (Soft) - 55 C + 125 C 5.7 mm (0.224 in) 5 mm (0.197 in) Automotive MLCCs AEC-Q200 Reel, Cut Tape, MouseReel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT .01PF 250V 10% 2220 33In Stock
9,000Expected 2027/01/27
Cut Tape
$6.36
$4.64
$3.95
$3.73
Reel
$3.37
$3.22
Min.: 1
Mult.: 1
: 500
X7R 10 % 2220 5750 SMD/SMT Flexible (Soft) - 55 C + 125 C 5.7 mm (0.224 in) 5 mm (0.197 in) Automotive MLCCs AEC-Q200 Reel, Cut Tape
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 2200PF 250V 10% 2220 291In Stock
500Expected 2027/05/05
Cut Tape
$4.15
$2.95
$2.47
$2.33
Reel
$2.16
Min.: 1
Mult.: 1
: 500
2.2 nF X7R 10 % 2220 5750 SMD/SMT Flexible (Soft) - 55 C + 125 C 5.7 mm (0.224 in) 5 mm (0.197 in) Automotive MLCCs AEC-Q200 Reel, Cut Tape
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
$3.08
$2.14
$1.76
$1.65
Reel
$1.40
Min.: 1
Mult.: 1
: 750
2.2 nF X7R 10 % 2211 5728 SMD/SMT Flexible (Soft) - 55 C + 125 C 5.7 mm (0.224 in) 2.79 mm (0.11 in) 2 mm (0.079 in) Automotive MLCCs AEC-Q200 Reel, Cut Tape
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
$0.919
$0.85
$0.806
$0.79
Min.: 1,500
Mult.: 1,500
: 1,500
1 nF X7R 5 % 1808 4520 SMD/SMT Flexible (Soft) - 55 C + 125 C 4.8 mm (0.189 in) 2 mm (0.079 in) 2 mm (0.079 in) Automotive MLCCs AEC-Q200 Reel
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
$3.23
$2.34
$2.04
$1.78
Reel
$1.57
Min.: 1
Mult.: 1
: 500
2.2 nF X7R 20 % 1812 4532 SMD/SMT Flexible (Soft) - 55 C + 125 C 4.5 mm (0.177 in) 3.2 mm (0.126 in) 0.5 mm (0.02 in) Automotive MLCCs AEC-Q200 Reel, Cut Tape
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.854
$0.79
$0.749
$0.733
Min.: 1,500
Mult.: 1,500
: 1,500
10 pF C0G (NP0) 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 10pF C0G (NP0) 1808 10percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.826
$0.762
$0.721
$0.692
Min.: 1,500
Mult.: 1,500
: 1,500
10 pF C0G (NP0) 10 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 10percent Non-Stocked Lead-Time 10 Weeks
Cut Tape
$2.15
$1.51
$1.29
$1.13
Reel
$0.899
Min.: 1
Mult.: 1
: 1,500
1 nF X7R 10 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel, Cut Tape, MouseReel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.869
$0.804
$0.762
$0.747
Min.: 1,500
Mult.: 1,500
: 1,500
1 nF X7R 20 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 330pF X7R 1808 20percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.937
$0.868
$0.822
$0.805
Min.: 1,500
Mult.: 1,500
: 1,500
330 pF X7R 20 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - PY2/SY2 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 680pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.37
$1.31
$1.24
Min.: 1,500
Mult.: 1,500
: 1,500
680 pF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - PY2/SY2 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 4.7pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Reel
$0.759
$0.70
$0.663
$0.636
Min.: 1,500
Mult.: 1,500
: 1,500
4.7 pF C0G (NP0) 0.5 pF 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 6.8pF C0G (NP0) 1808 0.5pF Tol Non-Stocked Lead-Time 10 Weeks
Reel
$0.728
Min.: 1,500
Mult.: 1,500
: 1,500
6.8 pF C0G (NP0) 0.5 pF 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 - SP/SPU Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.99
$0.973
Min.: 1,500
Mult.: 1,500
: 1,500
1 nF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 1000pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.65
$1.60
$1.52
Min.: 1,500
Mult.: 1,500
: 1,500
1 nF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.81
$1.77
$1.67
Min.: 1,500
Mult.: 1,500
: 1,500
150 pF C0G (NP0) 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.03
$0.959
$0.911
Min.: 1,500
Mult.: 1,500
: 1,500
150 pF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 150pF X7R 1808 10percent Non-Stocked Lead-Time 10 Weeks
Reel
$0.869
$0.818
Min.: 1,500
Mult.: 1,500
: 1,500
150 pF X7R 10 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 1percent Non-Stocked Lead-Time 10 Weeks
Reel
$4.69
Min.: 1,500
Mult.: 1,500
: 1,500
27 pF C0G (NP0) 1 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 2percent Non-Stocked Lead-Time 10 Weeks
Reel
$2.34
$2.24
Min.: 1,500
Mult.: 1,500
: 1,500
27 pF C0G (NP0) 2 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 27pF C0G (NP0) 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.42
$1.35
$1.28
Min.: 1,500
Mult.: 1,500
: 1,500
27 pF C0G (NP0) 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
Knowles Syfer Multilayer Ceramic Capacitors MLCC - SMD/SMT 330pF X7R 1808 5percent Non-Stocked Lead-Time 10 Weeks
Reel
$1.09
$1.01
$0.963
Min.: 1,500
Mult.: 1,500
: 1,500
330 pF X7R 5 % 1808 4520 SMD/SMT - 55 C + 125 C 4.5 mm (0.177 in) 2 mm (0.079 in) 2 mm (0.079 in) General Type MLCCs A25 Reel
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
$2.42
$2.41
Min.: 500
Mult.: 500
: 500
150 pF X7R 5 % 2220 5750 SMD/SMT Flexible (Soft) - 55 C + 125 C 5.7 mm (0.224 in) 5 mm (0.197 in) Automotive MLCCs AEC-Q200 Reel