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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：0.1 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 1812J5000104MJTE03 is a feed-through multilayer ceramic capacitor designed for surface-mount applications. It features a capacitance of 0.1 µF with a DC voltage rating of 500 V and a maximum current rating of 50 mA. The component utilizes an X7R dielectric material housed in an 1812 (4532 metric) package. It operates within a temperature range of -55°C to +125°C and carries an AEC-Q200 qualification, indicating suitability for automotive environments.
Feature Summary
- Integrated feed-through architecture providing combined capacitance and current handling capabilities
- AEC-Q200 qualified construction ensuring reliability for automotive electronic systems
- X7R dielectric material offering stable performance across the specified operating temperature range
Applications
- Automotive power supply filtering circuits
- High-current signal decoupling in vehicle electronics
- EMI suppression in automotive control modules
Procurement Notes
Verify the complete part number including the suffix E03 to confirm the specific feed-through configuration and termination style. Confirm AEC-Q200 compliance requirements match the target application standards. Check manufacturer documentation for specific reflow soldering profiles suitable for this component type.
Selection Notes
Select this component when both high capacitance and significant current carrying capacity are required in a single surface-mount device. The 1812 footprint allows for compact board layouts while maintaining high voltage isolation. Ensure the circuit design accounts for the 50 mA continuous current limit during operation.
Part Context
This component belongs to the Knowles Syfer 1812J series of general-purpose and specialized MLCCs. The J prefix indicates the 1812 case size, while the subsequent digits define the electrical characteristics. This specific model represents a specialized feed-through variant within the broader capacitor portfolio.
Replacement Considerations
Direct substitutes must match the 0.1 µF capacitance, 500 V rating, and 50 mA current capability. Verify that any replacement also meets AEC-Q200 standards if used in automotive contexts. Footprint compatibility requires checking the specific terminal layout of the feed-through design.
