ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：RF FILTER BANDPASS 5.425GHZ 0402
- Series：DEA
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Frequency：5.425GHz Center
- Bandwidth：-
- Filter Type：Band Pass
- Ripple：-
- Insertion Loss：0.73dB
- Mounting Type：Surface Mount
- Package / Case：0402 (1005 Metric), 4 PC Pad
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Height (Max)：0.018" (0.45mm)
Download product information
Overview
The TDK DEA105425BT-1293A1 is a surface-mount bandpass filter designed for RF applications. It features a center frequency of 5.425 GHz and a bandwidth of 1050 MHz. The component operates within a temperature range of -40°C to +85°C. It utilizes a 0402 (1005 Metric) package with four pads. Key electrical characteristics include an insertion loss of 0.73 dB. The device is intended for signal conditioning in wireless communication systems.
Feature Summary
- Provides selective frequency filtering for RF signals
- Supports surface mount technology for automated assembly
- Maintains performance across industrial temperature ranges
Applications
- WLAN modules operating at 5 GHz bands
- Bluetooth integrated circuits
- GPS receiver front-ends
- General purpose RF signal conditioning
Procurement Notes
Verify the specific datasheet revision and certification status before integration. Confirm that the 0402 footprint matches the target PCB layout. Ensure thermal management aligns with the specified operating temperature limits. Check for any required pre-baking procedures if moisture sensitivity applies. Validate compatibility with standard reflow soldering profiles.
Selection Notes
Select this component when a compact 5.425 GHz bandpass solution is required. The 0402 size suits space-constrained designs. Consider the 0.73 dB insertion loss impact on system gain. Evaluate the 1050 MHz bandwidth against adjacent channel requirements. Ensure the surface mount package fits the manufacturing capabilities.
Part Context
This part belongs to TDK's RF filter portfolio, specifically targeting wireless connectivity standards. It complements other passive components in signal chain design. The series offers various center frequencies for different global bands. Integration supports miniaturization trends in mobile and IoT devices.
Replacement Considerations
Check for direct substitutes with identical 5.425 GHz center frequency and 0402 footprint. Verify matching insertion loss and bandwidth specifications. Ensure equivalent thermal and mechanical reliability ratings. Confirm pinout compatibility if alternative packages are considered.
FAQ
What is the center frequency of the DEA105425BT-1293A1?
The center frequency is 5.425 GHz.
What package type does this filter use?
It uses a 0402 (1005 Metric) surface mount package with four pads.
Is this component suitable for high-temperature environments?
Yes, it is rated for operation up to 85°C.
