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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：0.15 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 1812J2000154MXTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features an X7R dielectric material and offers a capacitance of 150 nF with a tolerance of ±20%. The component is rated for a DC voltage of 200 VDC and operates within a temperature range of -55°C to +125°C. Housed in a standard 1812 (4532 metric) package, it complies with AEC-Q200 automotive qualification standards.
Feature Summary
- AEC-Q200 qualified for automotive reliability requirements
- X7R dielectric provides stable capacitance over wide temperature ranges
- Standard SMD/SMT termination for automated assembly
Applications
- Automotive electronic circuits requiring AEC-Q200 compliance
- General-purpose decoupling and filtering in harsh environments
- High-temperature industrial control systems
Procurement Notes
Verify the specific suffix 'E03' against official datasheets to confirm AEC-Q200 status and terminal configuration. Ensure the 1812 footprint matches PCB design constraints. Confirm RoHS compliance details through manufacturer documentation before integration.
Selection Notes
Select this component when automotive-grade reliability is mandatory alongside moderate voltage ratings. The X7R dielectric balances cost and performance for general applications. Verify that the 150 nF value meets circuit requirements without excessive size or cost penalties compared to lower voltage alternatives.
Part Context
This part belongs to the Knowles Syfer XT series of general-type MLCCs. The series is engineered for robust performance in demanding environments. The 1812J prefix indicates a 1812 case size with specific voltage and capacitance coding conventions used by the manufacturer for identification.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Cross-referencing requires matching voltage, capacitance, tolerance, package size, and AEC-Q200 qualification independently.
