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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：0.047 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 1812Y2000473MJTE03 is a multilayer ceramic capacitor (MLCC) designed for surface-mount technology. It features an X7R dielectric material and offers a capacitance of 47 nF with a tolerance of ±20%. The component is rated for a DC voltage of 200V and operates within a temperature range of -55°C to +125°C. Housed in an 1812 (4532 metric) package, it utilizes flexible terminal construction to enhance reliability under mechanical stress.
Feature Summary
- Flexible terminal construction reduces stress on the capacitor body during board flexing
- X7R dielectric provides stable capacitance characteristics across a wide operating temperature range
Applications
- Automotive electronics requiring AEC-Q200 compliance
- Applications involving printed circuit board flex sensitivity
- General-purpose high-capacitance decoupling in compact form factors
Procurement Notes
Verify the specific suffix JTE03 against official manufacturer documentation to confirm terminal plating and packaging details. Ensure compatibility with automated pick-and-place equipment regarding the reel specification. Cross-reference the part number with the latest datasheet to confirm RoHS compliance status and any recent design changes.
Selection Notes
Select this component when high volumetric efficiency is required in an 1812 footprint alongside moderate voltage ratings. The flexible terminals make it suitable for environments subject to mechanical vibration or thermal cycling-induced board warping. Compare electrical specifications against standard rigid-terminal MLCCs to determine if the added flexibility justifies potential cost differences.
Part Context
This part belongs to the Knowles Syfer FlexiCap series, which specializes in capacitors with soft or flexible terminations. These components are engineered to mitigate cracking risks associated with rigid solder joints in flexible substrate applications or high-reliability automotive sectors.
Replacement Considerations
Direct substitutes must match the 1812 package, 200V rating, 47nF capacitance, and X7R dielectric. Verify that alternative parts also feature flexible terminals if board flex resistance is critical. Confirm equivalent AEC-Q200 qualification status for automotive replacements.
