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Product Detailed Parameters
- Description：RF FILTER BAND PASS 2.45GHZ 1008
- Series：DEA
- Mfr：TDK Corporation
- Package：Tape & Reel (TR)
- Frequency：2.45GHz Center
- Bandwidth：100MHz
- Filter Type：Band Pass
- Ripple：-
- Insertion Loss：1.2dB
- Mounting Type：Surface Mount
- Package / Case：1008 (2520 Metric), 4 PC Pad
- Size / Dimension：0.098" L x 0.079" W (2.50mm x 2.00mm)
- Height (Max)：0.039" (1.00mm)
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Overview
The TDK DEA252450BT-2027A1 is a surface-mount LTCC bandpass filter designed for RF signal conditioning. It operates at a center frequency of 2.45 GHz with a bandwidth of 100 MHz and a nominal impedance of 50 Ohms. The component features a 1008 (2520 metric) package size, measuring 2.50 mm x 2.00 mm x 1.00 mm. It exhibits an insertion loss of 1.2 dB and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Utilizes Low-Temperature Co-fired Ceramic (LTCC) technology for low insertion loss and delay performance.
- Provides precise RF bandpass filtering centered at 2.45 GHz with a 100 MHz bandwidth.
- Designed for compact surface-mount integration in space-constrained applications.
Applications
- Wireless LAN systems operating in the 2.4 GHz ISM band
- Bluetooth communication modules
- Zigbee and other IEEE 802.15.4 based devices
Procurement Notes
This component has reached End-of-Life status as of June 3, 2022. Final orders were accepted until March 31, 2023, with last shipment by March 31, 2024. Verify current availability through authorized distributors, noting that stock is limited or exhausted. Confirm replacement part numbers before procurement to ensure design continuity.
Selection Notes
Select this component only if legacy compatibility is required, as it is no longer recommended for new designs. Engineers should evaluate the manufacturer-recommended substitute DEA202450BT-2175A1-H for new projects. Ensure the 1008 package footprint and electrical specifications align with existing PCB layouts and system requirements.
Part Context
Part of the TDK DEA series of multilayer bandpass filters. These components are engineered for high reliability in mobile and wireless communications. The DEA series leverages LTCC processes to achieve miniaturization while maintaining stable RF performance across industrial temperature ranges.
Replacement Considerations
The manufacturer recommends DEA202450BT-2175A1-H as a direct substitute. Verify pinout compatibility and mechanical dimensions before implementation.
FAQ
What is the current product status of DEA252450BT-2027A1?
The component is officially End-of-Life (EOL), with production ceased and final shipments completed by March 2024.
What is the recommended replacement part number?
TDK recommends the DEA202450BT-2175A1-H as the alternative for this discontinued filter.
