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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：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 1812Y2000273MXTE03 is a feed-through capacitor designed for surface-mount technology. It features a capacitance of 0.027 µF and a DC voltage rating of 200 V. The component operates within a temperature range of -55 °C to +125 °C. It utilizes an X7R dielectric material and offers a tolerance of ±20%. The physical package size is 1812 (4532 metric), with three PC pads for mounting.
Feature Summary
- Feed-through architecture providing integrated filtering capabilities
- Three-pad surface-mount design for secure PCB attachment
- X7R ceramic dielectric for stable performance across operating temperatures
Applications
- High-frequency signal line filtering
- Power supply decoupling in compact electronics
- EMI suppression in RF circuits
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 three-pad footprint. Cross-reference RoHS compliance status with current manufacturer declarations before integration into regulated products.
Selection Notes
Select this component when space constraints require a combined filtering and mounting solution. The 1812 footprint balances current handling and parasitic inductance. Consider the X7R characteristics for applications requiring moderate capacitance stability over temperature variations rather than Class 1 precision.
Part Context
This part belongs to the Knowles Syfer feed-through capacitor series, which integrates capacitive elements directly into the termination structure. Unlike standard MLCCs, these components offer lower equivalent series inductance due to their coaxial-like internal geometry, making them suitable for high-speed digital and RF applications where signal integrity is critical.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical parameters carefully if considering alternative manufacturers' feed-through capacitors.
