Knowles Syfer

Knowles Syfer (Knowles Precision Devices) is a leading manufacturer of high-reliability multilayer ceramic capacitors, EMI filters, and RF microwave components for demanding aerospace, defense, and industrial applications.

Series List(353)

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Series	Category	# Parts	Status

009P	Accessories	2	Active
0201BB	Ceramic Capacitors	3	Active
0201BN	Capacitors	24	Active
0201BW	Capacitors	2	Active
04023050	Capacitors	2	Active
0402B	Capacitors	1	Active
0402BB	Ceramic Capacitors	8	Active
0402BW	Ceramic Capacitors	5	Active
0504B	Capacitors	1	Active
0504N	Capacitors	2	Active

Series	Category	# Parts	Status	Description

Standalone parts(197576)

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Part	Category	Description
Knowles Syfer 009P-253998	Audio Products	CABLE PROGRAMMING
Knowles Syfer 0201BB102K500YT	Capacitors	CAP CER 1000PF 50V X7R 0201
Knowles Syfer 0201BN100J500NGT	Capacitors	CAP CER 10PF 50V C0G/NP0 0201
Knowles Syfer 0201N3R0C160NT	Capacitors	MULTILAYER CERAMIC CAPACITORS MLCC - SMD/SMT MULTILAYER CERAMIC CAPACITOR
Knowles Syfer 040220500102KXTFM2	Capacitors	MULTI-LAYERED CERAMIC CAPACITOR
Knowles Syfer 040220500103KXTFM2	Capacitors	NON MAG MLCC 10000PF
Knowles Syfer 040220500472JXTFM2	Capacitors	NON MAG MLCC 4700PF
Knowles Syfer 040222500471KXTFM2	Capacitors	NON MAG MLCC 470PF
Knowles Syfer 040230500101JXT	Capacitors	CAP CER 100PF 50V X7R 0402
Knowles Syfer 0402B102J500PT	Capacitors	MULTILAYER CERAMIC CAPACITORS MLCC - SMD/SMT CAPACITOR

Part	Spec A	Spec B	Spec C	Spec D	Description

Knowles Syfer, part of Knowles Precision Devices, specializes in high-performance ceramic capacitors and RF components designed for the most demanding applications. Their product portfolio includes multilayer ceramic capacitors (MLCCs), single-layer capacitors, precision variable capacitors, EMI filters, and microwave devices such as RF filters, splitters, and couplers.

The company is renowned for its high-reliability capacitor solutions, including the innovative StackiCap series offering exceptional volumetric efficiency with voltage ratings up to 2000V and capacitance values up to 5.6 microfarads. Their FlexiCap technology provides superior mechanical flexibility, enabling boards to withstand nearly twice the bending stress before cracking occurs.

Knowles Syfer products meet rigorous industry standards including IECQ-CECC, AEC-Q200 automotive qualification, and safety certifications. Their specialized offerings include high-Q capacitors for RF applications, high-temperature variants, non-magnetic options, and radial leaded configurations for diverse mounting requirements.

Frequently Asked Questions

What types of capacitors does Knowles Syfer manufacture?: Knowles Syfer manufactures multilayer ceramic capacitors (MLCCs), single-layer capacitors, precision variable trimmer capacitors, high-voltage capacitors up to 12kV, safety-certified capacitors, and the StackiCap series for high CV applications.
What industries use Knowles Syfer capacitors?: Knowles Syfer capacitors are used in aerospace, defense, medical, automotive, telecommunications, and industrial applications requiring high reliability and performance in demanding environments.
What is Knowles Syfer StackiCap technology?: StackiCap MLCCs provide the greatest volumetric efficiency in high-voltage X7R ceramic capacitors, available in case sizes from 1812 to 3640 with capacitance up to 5.6uF and voltage ratings up to 2000V.
Are Knowles Syfer capacitors automotive qualified?: Yes, Knowles Syfer offers AEC-Q200 qualified capacitors for automotive applications, along with IECQ-CECC certified products for high-reliability requirements.
What makes FlexiCap capacitors unique?: FlexiCap capacitors from Knowles Syfer feature flexible terminations that allow PCBs to bend almost twice as much before mechanical cracking occurs, improving reliability in flex and rigid-flex applications.