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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：1206 (3216 Metric), 3 PC Pad
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Capacitance：0.012 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 1206Y1000123MSTE03 is a surface-mount multilayer ceramic capacitor (MLCC) in the FlexiCap series. It features a 12 nF capacitance with ±20% tolerance and a 100 VDC rated voltage. Utilizing C0G/NP0 dielectric, it ensures stable performance across a -55°C to +125°C operating range. The component incorporates a nickel barrier structure and flexible end terminations designed to withstand board flexing stresses.
Feature Summary
- Flexible soft end terminations engineered to mitigate mechanical stress during PCB bending.
- Nickel barrier layer integrated to prevent electrode migration and enhance reliability.
Applications
- Automotive electronics requiring AEC-Q200 qualification
- Applications sensitive to board flex deformation
- High-reliability general-purpose circuits
Procurement Notes
Verify the specific suffix STE03 against official datasheets to confirm the presence of the nickel barrier and FlexiCap termination structure. Ensure the ordering part number matches the exact tolerance and voltage rating required for the target application environment.
Selection Notes
Select this component when high mechanical durability against substrate warping is critical. The C0G dielectric provides minimal capacitance variation with temperature and voltage changes. Confirm that the 1206 footprint aligns with the design layout constraints.
Part Context
This part belongs to the Knowles Syfer FlexiCap family, which specializes in robust MLCCs for demanding environments. The 1206Y prefix indicates the 1206 case size and 100V class within the manufacturer's broader portfolio of automotive-grade capacitors.
Replacement Considerations
Direct substitutes include other FlexiCap variants from Knowles Syfer with matching capacitance and voltage ratings. Verify compatibility of the nickel barrier feature if replacing with standard MLCCs lacking this specific construction.
FAQ
What is the purpose of the nickel barrier in this capacitor?
The nickel barrier prevents electrode migration, thereby improving the long-term reliability and stability of the capacitor under various operating conditions.
How does the FlexiCap technology benefit circuit design?
FlexiCap technology uses flexible end terminations to absorb mechanical stress caused by PCB bending, reducing the risk of crack formation and failure.
