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Product Detailed Parameters
- Description：MLC
- Series：EMI Filter
- Mfr：Knowles Syfer
- Package：Tape & Reel (TR)
- Voltage - Rated：25V
- Current：2:00 AM
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：1806 (4516 Metric)
- Size / Dimension：0.177" L x 0.063" W (4.50mm x 1.60mm)
- Capacitance：0.039 µF
- Tolerance：±20%
- DC Resistance (DCR) (Max)：-
- Insertion Loss：-
- Temperature Coefficient：X7R
- Ratings：-
- Height (Max)：0.051" (1.30mm)
- Thread Size：-
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Overview
The Knowles Syfer 1806J0250393MJTE07 is a surface-mount multilayer ceramic capacitor (MLCC) in an 1806 package. It features a capacitance of 39 nF with a ±20% tolerance and a DC voltage rating of 25 VDC. The component utilizes X7R dielectric material, providing stable performance across a temperature range of -55°C to +125°C. It is designed for high-reliability applications requiring robust construction.
Feature Summary
- Utilizes X7R dielectric for stable capacitance characteristics over varying temperatures
- Designed for high-reliability environments with robust mechanical construction
- Features standard SMD/SMT termination for automated surface-mount assembly
Applications
- High-reliability general-purpose electronic circuits
- Industrial control systems requiring stable filtering
- Automotive electronics components
Procurement Notes
Verify the specific suffix codes against official Knowles Syfer documentation to confirm exact termination and barrier specifications. Ensure compatibility with RoHS3 standards if required by your manufacturing process. Cross-reference the Mouser number 843-1806j0250393mjte07 for accurate distributor identification and current availability status.
Selection Notes
Select this component when a 39 nF capacitance at 25 VDC is required in an 1806 footprint. The X7R dielectric offers a balance of cost and performance for general decoupling or coupling tasks. Consider the ±20% tolerance for non-critical timing applications where precise capacitance values are not mandatory.
Part Context
This part belongs to the Knowles Syfer MLCC portfolio, specifically targeting high-reliability markets. The 1806J series indicates a standard size with specific voltage and dielectric characteristics. It is distinct from FlexiCap variants which offer enhanced board flex sensitivity.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Verify electrical equivalence with other 1806 X7R capacitors from different manufacturers only after confirming pinout and dimensional compatibility.
