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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：0.022 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 1812J2000223MXTE03 is a surface-mount multilayer ceramic capacitor (MLCC) in an 1812 (4532 metric) package. It features X7R dielectric with a capacitance of 22 nF and a DC voltage rating of 200 VDC. The component offers ±20% tolerance and operates within a temperature range of -55°C to +125°C. It utilizes a nickel barrier electrode structure with 100% tin terminations, designed for high-reliability SMD/SMT applications.
Feature Summary
- X7R dielectric provides stable capacitance across a wide industrial temperature range
- Nickel barrier electrode construction enhances mechanical reliability
- 100% tin termination finish ensures solderability compatibility
Applications
- High-reliability industrial electronics
- Consumer electronic circuits requiring stable filtering
- General-purpose surface mount power supply decoupling
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 1812 footprint dimensions. Confirm RoHS compliance status through current manufacturer documentation before integration into regulated assemblies.
Selection Notes
Select this component when a 200V DC rating and 22 nF capacitance are required in an 1812 package. The X7R dielectric is suitable for general coupling and decoupling where moderate stability is sufficient. Consider the nickel barrier construction for improved robustness compared to standard base metal electrodes in demanding environments.
Part Context
This part belongs to the Knowles Syfer MLCC portfolio, specifically utilizing the XT series designation conventions for high-reliability components. The 1812J prefix indicates the case size and voltage class coding typical of the manufacturer's standardized naming scheme for surface-mount ceramic capacitors.
Replacement Considerations
Cross-reference with other 1812 22nF 200V X7R MLCCs from manufacturers like Murata or TDK. Verify that substitute parts maintain the same nickel barrier termination style if mechanical shock resistance is critical.
