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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：50V
- 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：0.012 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 1812Y0500123MJTE03 is a feed-through capacitor with a capacitance of 0.022 µF and a voltage rating of 50 VDC. It utilizes X7R dielectric material and features a tolerance of ±20%. The component is housed in an 1812 (4532 metric) surface-mount package. It includes a 50 mA current rating and incorporates a three-pad footprint design for enhanced mechanical stability.
Feature Summary
- Feed-through architecture providing integrated filtering capabilities
- Three-pad footprint design for improved board flex resistance
- X7R dielectric material for stable performance across temperature ranges
Applications
- Automotive electronics requiring high reliability
- Board-flex sensitive circuit designs
- High-current signal filtering applications
Procurement Notes
Verify the specific suffix JTE03 against official datasheets to confirm the feed-through configuration and three-pad footprint requirements. Ensure compatibility with PCB layouts designed for this specialized mounting style rather than standard two-terminal MLCCs.
Selection Notes
Select this component when board flex resistance is critical due to its three-pad construction. The 50 mA rating defines its current handling capability, distinguishing it from standard capacitors. Confirm that the X7R dielectric characteristics meet the thermal stability needs of the target application environment.
Part Context
This part belongs to the Knowles Syfer feed-through capacitor series, which integrates filtering functions directly into the component structure. Unlike standard multilayer ceramic capacitors, these devices are engineered to handle higher currents while maintaining compact footprints suitable for dense automotive and industrial PCB layouts.
Replacement Considerations
Standard two-terminal MLCCs cannot replace this component due to the lack of feed-through functionality and different mounting requirements. Verify if other parts within the same JTE03 series variant match the required current and capacitance specifications.
