Welcome to Weijie Semiconductor

Syfer

- Knowles Syfer (formerly Syfer Technology Limited) is a premier global manufacturer renowned for innovative application specific high-voltage, Hi-Q RF MLCCs and thru-hole/SMT EMI suppression filters. Our comprehensive product range includes; MLCCs include RF/Microwave/ultra-low ESR, high voltage to 12 k VDC, 250 VAC ratings, safety certified SMDs as well as space-grade parts. Our patented StackiCap™ is a unique capacitor assembly designed to achieve high capacitance and high voltage.

Syfer’s EMI filter lineup has SMD feed through capacitors rated to 3 A, SMD C and Pi filters rated to 20 A and X2Y® technology.

The broad Syfer AEC Q200 qualified family features both surface mount EMI filters and high-voltage MLCCs focused on the HEV and EV automotive market.

Worldwide manufacturing operations include a brand new facility in Suzhou, China, equipped with modern equipment to assure consistent, high quality products to meet the growing needs of our global markets.

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Part Number
Manufacturer
Description
Unit Price
In Stock

1812Y6300153KJT  1812Y6300153KJT

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 0.015µF
Tolerance : ±10%
Voltage - Rated : 630V
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : -
Applications : Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 1812 (4532 Metric)
Size / Dimension : 0.177" L x 0.126" W (4.50mm x 3.20mm)
Height - Seated (Max) : -
Thickness (Max) : 0.098" (2.50mm)
Lead Spacing : -
Lead Style : -
0
1670 in stock

2211YA250102KETSPU  2211YA250102KETSPU

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 1000pF
Tolerance : ±10%
Voltage - Rated : 250V
Temperature Coefficient : X7R (2R1)
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200, X1, Y2
Applications : Safety, Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2211 (5728 Metric)
Size / Dimension : 0.224" L x 0.110" W (5.70mm x 2.80mm)
Height - Seated (Max) : -
Thickness (Max) : 0.100" (2.54mm)
Lead Spacing : -
Lead Style : -
0
3698 in stock

2211YA250222KETSPU  2211YA250222KETSPU

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 2200pF
Tolerance : ±10%
Voltage - Rated : 250V
Temperature Coefficient : X7R (2R1)
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200, X1, Y2
Applications : Safety, Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2211 (5728 Metric)
Size / Dimension : 0.224" L x 0.110" W (5.70mm x 2.80mm)
Height - Seated (Max) : -
Thickness (Max) : 0.100" (2.54mm)
Lead Spacing : -
Lead Style : -
0
2944 in stock

2220J1K00682KCT  2220J1K00682KCT

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : -
Part Status : Active
Capacitance : 6800pF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : C0G, NP0
Operating Temperature : -55°C ~ 125°C
Features : -
Ratings : -
Applications : General Purpose
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.160" (4.06mm)
Lead Spacing : -
Lead Style : -
0
1983 in stock

2220JA250102KXTB16  2220JA250102KXTB16

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : -
Part Status : Active
Capacitance : 1000pF
Tolerance : ±10%
Voltage - Rated : 250V
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : -
Ratings : X1, Y2
Applications : Safety
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.165" (4.20mm)
Lead Spacing : -
Lead Style : -
0
6669 in stock

2220JA250222KXTB16  2220JA250222KXTB16

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : -
Part Status : Active
Capacitance : 2200pF
Tolerance : ±10%
Voltage - Rated : 250V
Temperature Coefficient : X7R (2R1)
Operating Temperature : -55°C ~ 125°C
Features : High Voltage
Ratings : X1, Y2
Applications : Safety
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.177" (4.50mm)
Lead Spacing : -
Lead Style : -
0
3003 in stock

2220Y1000105KXT  2220Y1000105KXT

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 1µF
Tolerance : ±10%
Voltage - Rated : 100V
Temperature Coefficient : X7R (2R1)
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : -
Applications : Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.165" (4.20mm)
Lead Spacing : -
Lead Style : -
0
976 in stock

2220Y1K00103KST  2220Y1K00103KST

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 10000pF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200
Applications : Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.165" (4.20mm)
Lead Spacing : -
Lead Style : -
0
3588 in stock

2220Y1K00104KST  2220Y1K00104KST

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 0.1µF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200
Applications : Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.165" (4.20mm)
Lead Spacing : -
Lead Style : -
0
2207 in stock

2220Y1K00223KST  2220Y1K00223KST

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : FlexiCap™
Part Status : Active
Capacitance : 0.022µF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200
Applications : Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.165" (4.20mm)
Lead Spacing : -
Lead Style : -
0
2383 in stock

2220Y1K00474KETWS2  2220Y1K00474KETWS2

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : StackiCap™
Part Status : Active
Capacitance : 0.47µF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : X7R (2R1)
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : AEC-Q200
Applications : Automotive, Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.177" (4.50mm)
Lead Spacing : -
Lead Style : -
0
1938 in stock

2220Y1K00474KXTWS2  2220Y1K00474KXTWS2

Knowles Syfer
Manufacturer : Knowles Syfer
Packaging : Cut Tape (CT)
Alternate Packaging
Series : StackiCap™, FlexiCap™
Part Status : Active
Capacitance : 0.47µF
Tolerance : ±10%
Voltage - Rated : 1000V (1kV)
Temperature Coefficient : X7R
Operating Temperature : -55°C ~ 125°C
Features : Soft Termination
Ratings : -
Applications : Boardflex Sensitive
Failure Rate : -
Mounting Type : Surface Mount, MLCC
Package / Case : 2220 (5750 Metric)
Size / Dimension : 0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max) : -
Thickness (Max) : 0.177" (4.50mm)
Lead Spacing : -
Lead Style : -
0
5000 in stock