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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：0.056 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 1812J5000563MJTE03 is a feed-through ceramic capacitor with a capacitance of 0.056 µF and a rated voltage of 200V DC. It features a 50 mA current rating and utilizes C0G/NP0 dielectric material for stable performance. The component is housed in an 1812 (4532 Metric) surface-mount package, designed for high-frequency filtering applications requiring low parasitic inductance.
Feature Summary
- Integrated feed-through architecture providing superior high-frequency noise suppression compared to standard MLCCs
- C0G/NP0 dielectric ensures minimal capacitance variation across temperature and voltage ranges
- Surface-mount design facilitates automated assembly and compact circuit board integration
Applications
- High-speed digital signal line filtering
- RF interference suppression in communication modules
- Power distribution network decoupling for sensitive ICs
Procurement Notes
Verify the specific suffix MJTE03 against official datasheets to confirm lead time and availability status. Confirm RoHS compliance and packaging quantity requirements with the distributor prior to ordering. Ensure the 50 mA current rating meets the application's operational limits.
Selection Notes
Select this component when standard capacitors exhibit excessive parasitic inductance at high frequencies. The feed-through structure offers lower impedance paths for noise while maintaining signal integrity. Verify that the 200V rating provides sufficient margin for the operating environment.
Part Context
This part belongs to the Knowles Syfer 1812J series of feed-through capacitors. Unlike conventional multilayer ceramic capacitors, these components integrate a central conductor pass-through, optimizing them for EMI/RFI filtering where space constraints and high-frequency performance are critical design factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer catalogs for equivalent feed-through designs with matching 0.056 µF capacitance and 200V ratings.
