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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：50V
- 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：10000 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 1812Y0500103MSTE03 is a multilayer ceramic capacitor (MLCC) in an 1812 (4532 metric) surface-mount package. It features a C0G/NP0 dielectric with a capacitance of 10 nF and a tolerance of ±20%. The component has a DC voltage rating of 50 VDC and operates within a temperature range of -55°C to +125°C. It utilizes a FlexiCap nickel barrier termination structure and is AEC-Q200 qualified for automotive reliability.
Feature Summary
- AEC-Q200 qualified for automotive applications
- FlexiCap nickel barrier termination structure
- X2Y circuit topology for enhanced noise suppression
Applications
- Automotive electronics systems
- High-frequency signal filtering
- Power supply decoupling
Procurement Notes
Verify the specific suffix MSTE03 against official datasheets to confirm X2Y topology and FlexiCap terminations, as standard 1812 MLCCs differ significantly. Confirm RoHS compliance status and ensure the supplier provides traceability documentation required for automotive-grade components. Cross-reference the manufacturer part number directly with Knowles Syfer to avoid substitution errors.
Selection Notes
Select this component when high-frequency noise suppression is critical due to its X2Y architecture. The FlexiCap terminations provide superior mechanical stress resistance compared to standard rigid terminations. Ensure the 50V rating and 10nF capacitance align with circuit requirements. Verify that the 1812 footprint fits the PCB layout constraints.
Part Context
This component belongs to the Knowles Syfer Syfer® Power series, specialized for demanding environments. It integrates three terminals into a single chip to function as both a capacitor and an inductor, offering superior electromagnetic interference (EMI) filtering performance compared to conventional two-terminal capacitors.
Replacement Considerations
Direct replacements must match the X2Y topology and 1812 dimensions. Standard MLCCs cannot replicate the EMI filtering characteristics. Consult manufacturer cross-reference lists for verified equivalents with identical terminal configurations and electrical ratings.
