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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：500V
- 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 1812Y5000472MJTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-reliability applications. It features a capacitance of 4700 pF with an X7R dielectric material, providing stable performance across a wide temperature range from -55°C to +125°C. The component is rated for 500 VDC and housed in a standard 1812 (4532 Metric) package. This part belongs to the FlexiCap series, which incorporates soft termination technology to enhance mechanical durability.
Feature Summary
- Incorporates FlexiCap soft termination technology to improve resistance to board flex stress and mechanical shock.
Applications
- Automotive electronics requiring AEC-Q200 qualification
- Circuit boards susceptible to mechanical flexing
Procurement Notes
Verify the specific suffix MJTE03 against official manufacturer documentation to confirm the inclusion of soft termination features and exact packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding the reel format and pad design requirements for the three-pad configuration.
Selection Notes
Select this component when high mechanical reliability under board flex conditions is required alongside standard X7R temperature stability. The 1812 footprint offers a balance between capacitance density and physical robustness. Confirm that the 500V DC rating meets the circuit's peak voltage requirements without derating issues.
Part Context
This capacitor is part of the Knowles Syfer FlexiCap family, specifically engineered for automotive and industrial sectors where mechanical integrity is critical. The 1812Y series utilizes advanced manufacturing techniques to combine high capacitance values with enhanced mechanical strength, addressing common failure modes in rigid MLCCs.
Replacement Considerations
Direct substitutes must match the 1812 footprint, 4700 pF value, 500V rating, X7R dielectric, and soft termination construction. Generic 1812 X7R capacitors lacking FlexiCap technology are not suitable replacements due to differing mechanical stress tolerances.
