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Product Detailed Parameters
- Description：FILTER CER BANDPASS 2.45GHZ SMD
- Series：SP
- Mfr：Murata Electronics
- Package：Tape & Reel (TR)
- Frequency：2.45GHz Center
- Impedance：-
- Bandwidth：50 MHz
- Insertion Loss：1.4dB
- Filter Type：Band Pass
- Mounting Type：Surface Mount
- Package / Case：1206 (3216 Metric)
- Size / Dimension：-
- Height (Max)：-
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Overview
The LFB312G45SP1A502 is a ceramic bandpass filter manufactured by Murata Electronics, designed for signal conditioning in RF applications. It features a center frequency of 2.45 GHz and a bandwidth of 50 MHz. The component operates within an impedance of 50 Ohms and supports an operating temperature range from -40°C to +85°C. Packaged in a 1206 (3216 Metric) surface-mount format, it is supplied in tape and reel quantities. This device is RoHS compliant and classified as obsolete with a lifecycle status indicating end-of-life.
Feature Summary
- Utilizes ceramic construction for stable bandpass filtering characteristics
- Optimized for 50 Ohm impedance matching in RF signal paths
- Surface mount design suitable for automated assembly processes
Applications
- RF communication equipment filters
- Local oscillator filtering
- EMI/RFI suppression in wireless modules
Procurement Notes
Verify current availability as the component is listed as obsolete. Confirm that the 1206 package dimensions align with existing PCB footprints. Ensure compliance with RoHS3 standards if required by specific regulatory frameworks. Check datasheet revisions for any final manufacturing notes before integration into production designs.
Selection Notes
Select this component when a fixed 2.45 GHz center frequency with narrow 50 MHz bandwidth is required. The ceramic technology offers stability but limits tunability. Consider the 1206 footprint constraints during layout. Evaluate thermal performance within the specified -40°C to +85°C range for the target environment.
Part Context
This part belongs to Murata's line of ceramic filters intended for RF and local signal conditioning. It serves as a passive component for frequency selection in wireless systems. The LFB series typically provides high Q-factor performance for sharp cutoff characteristics compared to LC alternatives.
Replacement Considerations
As the part is obsolete, direct substitutes must be sourced from Murata's current portfolio or equivalent third-party manufacturers offering identical 2.45 GHz center frequency and 50 MHz bandwidth specifications in a 1206 package.
