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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：2700 pF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：C0G, NP0
- Ratings：-
- Height (Max)：0.030" (0.75mm)
- Thread Size：-
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Overview
The Knowles Syfer 1812J5000272MCTE03 is a feed-through multilayer ceramic capacitor (MLCC) designed for surface mount technology. It features a capacitance of 2700 pF with a voltage rating of 500 VDC and a tolerance of ±20%. The component utilizes X7R dielectric material, ensuring stability across an operating temperature range from -55°C to +125°C. Housed in an 1812 (4532 metric) package, it includes a 50 mA current rating specific to its feed-through architecture.
Feature Summary
- Integrates feed-through architecture for enhanced electromagnetic interference suppression within compact surface-mount designs.
- Utilizes X7R dielectric material to maintain capacitance stability under varying thermal conditions.
- Features nickel barrier terminations with 100% tin plating for reliable solderability and corrosion resistance.
Applications
- High-frequency noise filtering in sensitive electronic circuits
- Power supply input/output decoupling applications
- Electromagnetic interference suppression in automotive electronics
Procurement Notes
Verify the exact part number suffix against official manufacturer documentation to confirm the feed-through variant specifications. Ensure compatibility with PCB footprint requirements for the 1812 package size. Confirm current rating and termination materials match design constraints before procurement.
Selection Notes
Select this component when integrated EMI filtering is required without occupying additional board space. The feed-through design offers superior high-frequency performance compared to standard MLCCs. Verify that the 500V DC rating and 50 mA current handling meet the specific circuit operational demands.
Part Context
This component belongs to the Knowles Syfer family of specialized capacitors, specifically engineered for demanding environments. It represents a niche category of feed-through devices that combine capacitance with structural mounting capabilities, differing from standard parallel-plate MLCCs by integrating the terminal through the body.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult official manufacturer cross-reference lists for equivalent feed-through MLCCs with matching 1812 dimensions and electrical ratings.
