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：FILTER SAW 806MHZ 5SMD
- Series：-
- Mfr：Qualcomm (RF front-end (RFFE) filters)
- Package：Tape & Reel (TR)
- Frequency - Center：806MHz
- Bandwidth：-
- Insertion Loss：2.8dB
- Ratings：AEC-Q200
- Applications：Cellular, LTE
- Mounting Type：Surface Mount
- Package / Case：5-SMD, No Lead
- Height (Max)：0.016" (0.40mm)
- Size / Dimension：0.055" L x 0.043" W (1.40mm x 1.10mm)
Download product information
Overview
The B39811B4321P810 is a Surface Acoustic Wave (SAW) band-pass filter manufactured by Qualcomm RFFE. It operates within the 791.25MHz to 820.75MHz frequency range, centered at 806MHz for cellular and LTE applications. The component utilizes a 5-pin SMD package with no lead construction. Key electrical specifications include a bandwidth of 2.8dB. This device is designed for RF front-end filtering in mobile communication systems.
Feature Summary
- Surface Acoustic Wave technology for efficient signal filtering
- Band-pass characteristic optimized for specific cellular frequency ranges
- Compact surface-mount design suitable for space-constrained devices
Applications
- Cellular communication modules
- LTE RF front-end systems
- Mobile handset radio frequency circuits
Procurement Notes
Verify the exact datasheet version and RoHS compliance status before integration. Confirm that the 5-pin SMD package dimensions match your PCB footprint requirements. Ensure the operating temperature range aligns with your system's environmental specifications. Cross-reference the manufacturer part number to avoid counterfeit components during sourcing.
Selection Notes
Select this component when designing for the 791.25MHz to 820.75MHz band. Consider the 2.8dB bandwidth requirement for your specific channel isolation needs. Evaluate the 5-pin SMD form factor against available board space. Compare performance metrics against alternative SAW filters if wider bandwidth or different insertion loss characteristics are required.
Part Context
This part belongs to the Qualcomm RFFE filter portfolio, which includes various SAW and BAW technologies. These products support 4G and 5G multimode modem-RF systems. The series focuses on low-loss performance in small form factors for consumer and IoT applications.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation. Consult official Qualcomm channels for validated alternatives.
