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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：1206 (3216 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Capacitance：0.047 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 1206Y0500473MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) in a 1206 (3216 metric) case size. It features an X7R dielectric with a capacitance of 47 nF and a DC voltage rating of 50 VDC. The component has a tolerance of ±20% and utilizes FlexiCap flexible terminations with a nickel barrier for enhanced reliability. It is AEC-Q200 qualified for automotive applications and operates within a temperature range of -55°C to +125°C.
Feature Summary
- FlexiCap flexible termination technology designed to withstand board flexing
- Nickel barrier electrode structure for improved solderability and corrosion resistance
- AEC-Q200 qualification ensuring suitability for automotive electronic environments
Applications
- Automotive electronics requiring high reliability under mechanical stress
- Board-flex sensitive circuit designs
- General purpose decoupling and filtering in automotive-grade systems
Procurement Notes
Verify the complete part number including the suffix MSTE03, as variations exist within the 1206Y series. Confirm that the specific application requires the X7R dielectric characteristics and the 50V rating. Ensure compatibility with the required AEC-Q200 standards if used in automotive contexts. Check datasheet specifications for termination flexibility requirements.
Selection Notes
Select this component when board flex resistance is critical due to its FlexiCap design. The X7R dielectric offers higher volumetric efficiency than Class 1 types but exhibits capacitance variation with voltage and temperature. Compare against standard rigid-termination MLCCs if mechanical stress is not a primary concern. Ensure the 1206 footprint matches the PCB layout constraints.
Part Context
This part belongs to the Knowles Syfer 1206Y series, which focuses on high-reliability automotive capacitors. The series integrates nickel barriers and flexible terminations to address common failure modes in automotive PCBs. It is distinct from non-automotive or general-purpose variants lacking the AEC-Q200 certification or specialized termination structures.
Replacement Considerations
Direct substitutes must match the 1206 package, 50V rating, 47nF capacitance, X7R dielectric, and AEC-Q200 qualification. Verify that any alternative also features FlexiCap or equivalent flexible termination technology to maintain board flex reliability. Cross-reference specific termination materials and barrier layers.
