PBR941

Overview

The PBR941 is a silicon NPN transistor housed in a surface-mount 3-pin SOT23 package. It is engineered for wideband applications within the GHz frequency range, specifically targeting the radio frequency front end of analog and digital cellular telephones, cordless phones, radar detectors, pagers, and satellite TV tuners. The device integrates gold metallization to ensure excellent reliability under operational stress. Its design prioritizes compact form factors suitable for portable communication devices while maintaining high gain characteristics necessary for efficient signal amplification in modern wireless infrastructure.

Feature Summary

• Small physical size optimized for space-constrained mobile electronics
• Low noise performance ensuring clear signal transmission
• Low distortion capabilities preserving signal integrity
• High gain efficiency for effective RF amplification

Applications

• RF front end of analog cellular telephones
• RF front end of digital cellular telephones
• Cordless phone systems
• Radar detector circuits
• Satellite TV tuner modules

Procurement Notes

Verify component authenticity through authorized NXP Semiconductors distributors or official channels. Confirm the specific revision level matches your design requirements. Check for RoHS compliance status if environmental regulations apply to your manufacturing process. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet to prevent package damage before soldering.

Selection Notes

Select this component when designing UHF wideband circuits requiring a compact NPN solution. Evaluate thermal management needs against the SOT23 package limitations. Compare noise figures with alternative transistors if operating near sensitivity thresholds. Consider the GHz-range suitability for your specific carrier frequency and bandwidth requirements.

Part Context

This part belongs to NXP's portfolio of UHF wideband transistors designed for RF applications. It shares functional similarities with other series members like the PBR951 and PRF949, which also target wideband operations. These components collectively support the development of compact, high-performance wireless communication devices by providing reliable amplification stages in minimal footprints.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult NXP technical support for direct equivalents or pin-compatible alternatives that meet identical GHz-range wideband specifications.