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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：100V
- 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：4700 pF
- 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 1812J1000472MJTE03 is a surface-mount multilayer ceramic capacitor (MLCC) in an 1812 (4532 metric) package. It features a capacitance of 4700 pF with a ±20% tolerance and a DC voltage rating of 100 VDC. The component utilizes X7R dielectric material, ensuring stability across an operating temperature range of -55°C to +125°C. It incorporates a Nickel Barrier electrode structure with 100% tin terminations for enhanced reliability.
Feature Summary
- X2Y architecture providing integrated filtering capabilities
- Nickel barrier construction for improved solderability and corrosion resistance
- High-reliability design suitable for demanding environments
Applications
- Automotive electronics systems
- Industrial control circuits
- Power supply noise suppression
Procurement Notes
Verify the specific suffix 'MJTE03' against official Knowles Syfer documentation to confirm the X2Y configuration and termination specifications. Ensure compatibility with automated placement equipment regarding the 1812 footprint dimensions. Confirm RoHS compliance status through current manufacturer declarations prior to integration.
Selection Notes
Select this component when space-constrained designs require combined decoupling and filtering functions. The X2Y topology reduces external component count compared to discrete solutions. Evaluate thermal management requirements within the -55°C to +125°C operational window to ensure long-term performance stability under varying load conditions.
Part Context
This part belongs to the Knowles Syfer high-reliability MLCC family, specifically designed for robust electronic applications. The 1812J series denotes standard size variants with specific voltage and dielectric characteristics. This model integrates advanced materials to meet stringent automotive and industrial quality standards.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Verify exact pinout and electrical equivalence with alternative X2Y capacitors from other manufacturers if sourcing constraints exist.
