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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：200V
- Current：50 mA
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Capacitance：390 pF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：C0G, NP0
- Ratings：-
- Height (Max)：0.051" (1.30mm)
- Thread Size：-
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Overview
The Knowles Syfer 1206J2000391MCTE03 is a surface-mount feed-through capacitor designed for high-frequency noise suppression. It features a capacitance of 390 pF with a voltage rating of 200 VDC and a current rating of 50 mA. The component utilizes a C0G/NP0 dielectric material, ensuring stable performance across varying conditions. It is housed in a standard 1206 (3216 metric) package with three printed circuit board pads for mounting.
Feature Summary
- Integrated feed-through architecture provides effective electromagnetic interference filtering within a compact footprint.
- Utilizes C0G/NP0 dielectric technology to maintain consistent capacitance values under thermal and electrical stress.
- Designed for direct surface-mount integration, eliminating the need for additional through-hole hardware.
Applications
- High-frequency signal line filtering in communication equipment
- Power supply input/output decoupling in sensitive electronic circuits
- Electromagnetic interference suppression in automotive electronics
Procurement Notes
Verify the specific suffix E03 against official datasheets to confirm terminal configuration and packaging details. Ensure compatibility with automated pick-and-place equipment regarding the 1206 footprint dimensions. Confirm RoHS compliance status through manufacturer documentation prior to final procurement decisions.
Selection Notes
Select this component when space-constrained designs require integrated filtering without increasing board area. The 200V rating suits moderate voltage applications, while the 50mA current handling capability defines its power limits. Consider the 3-pad layout for soldering reliability during assembly process planning.
Part Context
This part belongs to the Knowles Syfer feed-through capacitor series, which combines capacitive filtering with structural mounting. Unlike standard MLCCs, these components integrate the ground connection internally, simplifying circuit topology. The 1206 size offers a balance between filtering performance and PCB real estate efficiency.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Verify pinout compatibility if considering alternative brands, as feed-through internal structures vary significantly between manufacturers.
