B39172B4307F210

Overview

The B39172B4307F210 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm for RF front-end applications. It operates at a center frequency of 45MHz with a bandwidth of 45MHz and an insertion loss of 1.9dB. The component is rated AEC-Q200, indicating automotive qualification. It is housed in a 5-SMD package and is currently classified as obsolete.

Feature Summary

• Utilizes Surface Acoustic Wave technology for RF filtering
• Automotive qualified under AEC-Q200 standards
• Designed for low-loss signal transmission

Applications

• RF front-end filtering
• Automotive electronics systems

Procurement Notes

This component is officially marked as obsolete by the manufacturer. Verification of availability requires checking distributor inventory for remaining stock or end-of-life status confirmation. Sourcing should prioritize verified surplus channels or authorized distributors holding legacy quantities. Direct procurement from the manufacturer is not possible due to discontinuation status.

Selection Notes

Engineers selecting this part must account for its obsolete status when designing new products. Alternative components with similar SAW characteristics and AEC-Q200 ratings should be evaluated for long-term supply chain stability. The specific 45MHz center frequency and 5-SMD footprint are critical constraints for replacement selection.

Part Context

This device belongs to Qualcomm's RF front-end filter portfolio, which includes various acoustic technologies. The B39172 series represents discrete filter solutions designed for specific frequency bands within complex RF architectures.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.