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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：50V
- Current：50 mA
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric), 3 PC Pad
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Capacitance：0.027 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.030" (0.75mm)
- Thread Size：-
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Overview
The Knowles Syfer 1812Y0500273MJTE03 is a surface-mount feed-through capacitor designed for high-frequency noise suppression. It features a capacitance of 0.027 µF with a voltage rating of 50 VDC and a tolerance of ±20%. Utilizing X7R dielectric material, the component operates within a temperature range of -55°C to +125°C. The device employs a 1812 (4532 metric) package size and incorporates FlexiCap technology with soft terminals to enhance mechanical reliability under board flex conditions.
Feature Summary
- Integrated feed-through architecture provides effective electromagnetic interference filtering in a compact footprint.
- FlexiCap technology utilizes soft terminal construction to mitigate stress during printed circuit board flexing.
- X7R dielectric material ensures stable electrical performance across a wide industrial operating temperature range.
Applications
- High-speed digital signal line filtering
- Power supply input/output decoupling
- Automotive electronics requiring AEC-Q200 compliance
Procurement Notes
Verify the specific suffix configuration against official datasheets to confirm terminal composition and packaging type. Ensure design compatibility with the required impedance characteristics and current ratings for the target application environment.
Selection Notes
Select this component when board flex resistance is critical alongside high-frequency noise attenuation. The combination of feed-through topology and flexible terminations addresses reliability concerns in dynamic mechanical environments while maintaining signal integrity.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, which specializes in multilayer ceramic capacitors featuring compliant terminations. The series targets applications where standard rigid terminations may fail due to mechanical stress on the substrate.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical equivalence before considering alternative manufacturers.
