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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：200V
- 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 1812Y2000472MSTE03 is a multilayer ceramic capacitor (MLCC) in an 1812 surface-mount package. It features a capacitance of 4700 pF with a tolerance of ±20% and utilizes X7R dielectric material. The component is rated for a DC voltage of 200V and complies with AEC-Q200 automotive standards. It incorporates FlexiCap technology with a nickel barrier to enhance mechanical reliability under board flex conditions.
Feature Summary
- FlexiCap/Nickel Barrier construction designed to withstand board flex stress
- AEC-Q200 qualification for automotive electronics applications
- X7R dielectric providing stable performance across operating temperatures
Applications
- Automotive electronic circuits requiring board flex resistance
- General-purpose decoupling in automotive-grade PCBs
- High-reliability surface mount assemblies
Procurement Notes
Verify the specific suffix MSTE03 against official datasheets to confirm FlexiCap and nickel barrier specifications. Ensure the procurement channel provides valid traceability documentation for AEC-Q200 compliance. Confirm reel packaging quantities match project requirements before ordering.
Selection Notes
Select this component when board flex resilience is critical in automotive designs. The X7R dielectric offers higher capacitance density than Class 1 types. Verify that the 200V rating and 4700 pF value align with circuit filtering or decoupling needs without exceeding voltage limits.
Part Context
This part belongs to the Knowles Syfer 1812Y series, which focuses on high-reliability MLCCs. The series integrates specialized electrode structures to improve durability in dynamic mechanical environments. It targets industries where standard MLCCs may fail due to substrate warping during assembly or operation.
Replacement Considerations
Direct substitutes must match the 1812 footprint, 200V rating, 4700 pF value, X7R dielectric, and AEC-Q200 certification. Verify that alternative parts also feature FlexiCap or equivalent board-flex tolerant terminations to maintain mechanical reliability.
