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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：0.012 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 1812Y0500123MSTE03 is a Surface Mount Multilayer Ceramic Capacitor (MLCC) in the FlexiCap series. It features an X7R dielectric with a capacitance of 12 nF and a voltage rating of 50 VDC. The component utilizes a 1812 (4532 Metric) package size and offers a tolerance of ±20%. It is certified to AEC-Q200 standards for automotive applications and incorporates a Nickel Barrier electrode structure.
Feature Summary
- FlexiCap technology provides flexible end terminations to reduce stress on the ceramic body during board flexing.
- Nickel barrier construction ensures reliable solderability and prevents tin whisker formation.
- AEC-Q200 qualification confirms suitability for demanding automotive electronic environments.
Applications
- Automotive electronics requiring board-flex sensitivity mitigation
- General-purpose surface mount decoupling circuits
- High-reliability industrial control systems
Procurement Notes
Verify the specific suffix MSTE03 against official datasheets to confirm the nickel barrier and FlexiCap configuration. Ensure the 50V rating aligns with circuit requirements. Confirm RoHS compliance status through manufacturer documentation before integration.
Selection Notes
Select this component when board flex resistance is critical due to its flexible termination design. The X7R dielectric provides stable performance across standard operating temperatures. Verify that the 1812 footprint matches the PCB layout constraints and that the 50V rating exceeds peak circuit voltages.
Part Context
This part belongs to the Knowles Syfer 1812Y series, which specializes in high-reliability capacitors for automotive and industrial sectors. The series emphasizes mechanical robustness through specialized termination technologies like FlexiCap, addressing common failure modes in rigid MLCCs under mechanical stress.
Replacement Considerations
Consult official substitution guides for equivalent parts within the 1812Y series. Verify that any replacement maintains the same FlexiCap and Nickel Barrier specifications to ensure mechanical compatibility.
