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Product Detailed Parameters
- Description：RF FILTER BAND PASS 2.45GHZ 0805
- Series：DEA
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Frequency：2.45GHz Center
- Bandwidth：100MHz
- Filter Type：Band Pass
- Ripple：1dB
- Insertion Loss：1.4dB
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), 4 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Height (Max)：0.041" (1.05mm)
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Overview
The DEA202450BT-1275A1 is a multilayer bandpass RF filter manufactured by TDK Corporation. It operates at a center frequency of 2.45GHz with a bandwidth of 100MHz. The component exhibits an insertion loss of 1.4dB and ripple of 1dB. Designed for surface mount installation, it utilizes the 0805 (2012 Metric) package with four printed circuit board pads. Physical dimensions are 2.00mm in length, 1.25mm in width, and a maximum height of 1.05mm. It complies with RoHS3 standards.
Feature Summary
- Utilizes low-temperature co-fired ceramic technology to achieve low insertion loss and latency performance.
- Engineered for operation within a wide frequency range spanning from 729MHz to 2690MHz.
- Supports reliable functionality across an operating temperature range of -40°C to 85°C.
Applications
- Wireless Local Area Network (WLAN) systems
- RF connectivity modules
- Base station infrastructure components
Procurement Notes
Verify the specific part number against official TDK documentation to confirm current availability status. Check for potential obsolescence notices or product change notifications prior to procurement. Ensure that the required packaging format aligns with manufacturing capabilities. Confirm compliance with regional environmental regulations such as RoHS3. Validate that the supplier provides authentic components with traceable origins.
Selection Notes
Select this component when a compact surface-mount solution is required for 2.45GHz applications. Consider its 0805 footprint for space-constrained designs. Evaluate the 1.4dB insertion loss against system link budget requirements. Ensure the 100MHz bandwidth matches the signal spectrum needs. Verify compatibility with standard reflow soldering processes for the LTCC construction.
Part Context
This device belongs to the DEA series of RF filters produced by TDK Electronics. The series employs multilayer ceramic technology for high-frequency filtering. These components are designed for integration into modern electronic devices requiring precise signal selection. The DEA202450BT-1275A1 represents a specific variant optimized for the 2.45GHz ISM band.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official TDK documentation for authorized replacements or cross-reference lists.
FAQ
What is the physical package size of the DEA202450BT-1275A1?
It uses a 0805 (2012 Metric) surface mount package measuring 2.00mm x 1.25mm with a maximum height of 1.05mm.
Does the DEA202450BT-1275A1 support high-temperature environments?
Yes, it is rated for an operating temperature range of -40°C to 85°C.
