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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：100V
- 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：0.12 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 1812J1000124MJTE03 is a feed-through capacitor designed for surface mount technology. It features a capacitance of 0.12 µF and a rated DC voltage of 100V. The component operates within a temperature range of -55°C to +125°C and includes an integrated current rating of 50 mA. Its physical dimensions conform to the 1812 (4532 metric) package outline, measuring 4.50mm in length, 3.20mm in width, and up to 2.50mm in height.
Feature Summary
- Integrates feed-through functionality with surface mount compatibility
- Provides high current handling capability of 50 mA
- Maintains stable performance across extended temperature ranges
Applications
- High-frequency noise suppression in power lines
- EMI filtering for sensitive electronic circuits
- Signal integrity protection in compact modules
Procurement Notes
Verify the specific lead time and availability directly with authorized distributors or the manufacturer before finalizing procurement plans. Confirm that the 50 mA current rating aligns with your circuit requirements. Ensure proper ESD handling procedures are followed during storage and assembly to maintain component integrity.
Selection Notes
Select this component when both capacitive filtering and direct current conduction are required in a single surface-mount footprint. The 1812 package size offers a balance between electrical performance and board space efficiency. Consider the 100V rating and 50 mA limit to ensure adequate headroom for your specific application voltages and currents.
Part Context
This part belongs to the Knowles Syfer XT series of multilayer ceramic feed-through capacitors. These components combine the benefits of traditional through-hole feed-through designs with modern SMT manufacturing processes. The series is engineered for robust electromagnetic interference suppression in demanding environments.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical specifications carefully if considering alternative manufacturers.
