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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：-
- Filter Type：Band Pass
- Ripple：-
- Insertion Loss：0.95dB
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), 6 PC Pad
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Height (Max)：0.032" (0.80mm)
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Overview
The TDK DEA202450BT-7210A1 is a multilayer bandpass filter designed for RF applications. It operates at a center frequency of 2.45GHz with a bandwidth of 0.95dB. The component features an insertion loss of 0.95dB and utilizes a 0805 (2012 metric) surface-mount package with six printed circuit board pads. Dimensions are 2.00mm x 1.25mm x 0.80mm maximum height. It supports frequencies from 2400MHz to 2500MHz, maintains a characteristic impedance of 50 Ohms, and offers attenuation of 15dB minimum at 4800–5000MHz.
Feature Summary
- LTCC construction for high reliability in RF signal conditioning
- Balanced output configuration suitable for differential signal paths
- Compact 0805 footprint enabling dense PCB layout
Applications
- ZigBee wireless communication modules
- Bluetooth Low Energy (BLE) transceivers
- ISM band 2.4GHz radio frequency circuits
Procurement Notes
Verify the specific suffix A1 against the manufacturer datasheet to confirm pinout and electrical tolerances. Ensure the design accommodates the 0805 package dimensions and thermal requirements. Confirm RoHS3 compliance status if required by regional regulations. Cross-reference the DigiKey part number 445-15654-2-ND for accurate ordering details.
Selection Notes
Select this component when a balanced LTCC filter is required for 2.4GHz ISM bands. The 0.95dB insertion loss suits low-power applications. The 0805 size fits space-constrained designs. Verify that the 15dB attenuation at higher frequencies meets system interference rejection needs. Compare against unbalanced variants if single-ended signaling is used.
Part Context
This part belongs to the TDK DEA series of RF filters. These components utilize Low-Temperature Co-fired Ceramic technology. The series targets wireless connectivity standards operating in the 2.4GHz range. The DEA202450BT-7210A1 specifically addresses balanced output requirements within this family.
FAQ
Is this filter balanced or unbalanced?
The DEA202450BT-7210A1 is a balanced output type filter.
What is the minimum attenuation at 4800MHz?
The component provides a minimum attenuation of 15dB in the 4800–5000MHz range.
