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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：100V
- Current：300 mA
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), 3 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Capacitance：680 pF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.045" (1.15mm)
- Thread Size：-
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Overview
The Knowles Syfer 0805Y1000681MXTE01 is a pass-through feedthrough capacitor with a capacitance of 680 pF and a rated voltage of 100V. It utilizes X7R dielectric material and offers a tolerance of ±20%. Designed for the 0805 (2012 Metric) surface-mount package, it measures 2.00mm in length, 1.25mm in width, and has a maximum height of 1.15mm. The component operates within a temperature range of -55°C to +125°C and supports a current rating of 300 mA.
Feature Summary
- Pass-through architecture enables direct signal routing through the capacitor body
- X7R ceramic dielectric provides stable performance across specified operating temperatures
- Flexible termination technology accommodates board bending and thermal cycling stress
Applications
- High-frequency signal filtering in compact electronic circuits
- Power supply decoupling for sensitive components
- EMI suppression in space-qualified or high-reliability systems
Procurement Notes
Verify the specific suffix 'E01' against official manufacturer documentation to confirm terminal configuration and compliance status. Ensure the selected variant matches the required current rating and mechanical dimensions for the target PCB layout. Cross-reference datasheet revisions to validate environmental certifications before final procurement.
Selection Notes
Select this component when a low-profile feedthrough solution is required for EMI filtering in constrained spaces. The 0805 footprint allows for dense mounting, while the flexible termination enhances durability during assembly and operation. Confirm that the 680 pF value aligns with the circuit's impedance and frequency requirements.
Part Context
This part belongs to the Knowles Syfer FlexiCap™ series, which features proprietary flexible terminations designed to withstand board flexing and thermal cycling. The series is qualified for space applications and maintains reliability under extreme conditions without requiring changes to standard assembly processes.
Replacement Considerations
Direct substitutes must match the 0805 footprint, 680 pF capacitance, 100V rating, and pass-through structure. Verify compatibility of termination flexibility and temperature coefficient if replacing with other manufacturers' feedthrough capacitors.
