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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：25V
- Current：2:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1806 (4516 Metric), 3 PC Pad
- Size / Dimension：0.177" L x 0.063" W (4.50mm x 1.60mm)
- Capacitance：0.027 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.051" (1.30mm)
- Thread Size：-
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Overview
The Knowles Syfer 1806Y0250273MJTE07 is a three-terminal multilayer ceramic capacitor (MLCC) designed as an EMI filter. It features a 0.027 µF capacitance with ±20% tolerance and a 25 VDC voltage rating. The component utilizes X7R dielectric material and operates within a temperature range of -55°C to +125°C. Housed in an 1806 surface-mount package, it incorporates a nickel barrier structure for enhanced reliability.
Feature Summary
- Three-terminal architecture providing effective electromagnetic interference filtering
- Nickel barrier construction for improved mechanical stability
- X7R dielectric offering stable performance across the operating temperature range
Applications
- Board-flex sensitive circuits requiring robust EMI suppression
- High-reliability industrial electronics
- Automotive electronic systems
Procurement Notes
Verify the specific suffix against official datasheets to confirm terminal configuration and termination plating. Ensure compatibility with PCB pad layouts designed for three-terminal components. Confirm RoHS compliance status through current manufacturer documentation before integration into regulated assemblies.
Selection Notes
Select this component when board flex resistance is critical alongside noise attenuation. The three-terminal design offers superior high-frequency performance compared to standard two-terminal capacitors. Evaluate thermal management requirements against the specified operating temperature limits during circuit design.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, which specializes in flexible termination MLCCs. The series addresses reliability issues caused by substrate stress in surface-mount applications. The 1806Y series specifically targets high-capacitance needs within compact footprints.
Replacement Considerations
Direct substitutes must match the three-terminal EMI filter topology and 1806 footprint. Verify that alternative parts maintain equivalent nickel barrier characteristics and X7R dielectric properties to ensure consistent filtering performance.
