SFLSR-1BJ-46A1C-1575.42M

Overview

The SFLSR-1BJ-46A1C-1575.42M is a Surface Acoustic Wave (SAW) filter manufactured by Suntsu Electronics, Inc., designed for GPS RF applications. It operates at a center frequency of 1.57542 GHz with a bandwidth of 46 MHz and insertion loss of 1.2 dB. The component measures 1.1 mm x 0.9 mm with a maximum height of 0.55 mm. It functions within a temperature range of -30°C to +85°C and utilizes a 5-SMD, no lead package.

Feature Summary

• Surface Acoustic Wave technology for RF signal filtering
• Compact 5-SMD surface mount package design
• Optimized for Global Positioning System frequencies

Applications

• GPS receiver front-end filtering
• GNSS module signal conditioning
• Satellite navigation system components

Procurement Notes

Verify the manufacturer part number against official Suntsu Electronics documentation to confirm specifications. Ensure the component matches the required 1.57542 GHz center frequency and 46 MHz bandwidth for your specific GPS application. Check datasheets for pin configuration and thermal ratings before integration.

Selection Notes

Select this component when a compact SAW filter is required for L1 band GPS signals. Consider the 1.2 dB insertion loss and 46 MHz bandwidth relative to system sensitivity requirements. The 5-SMD package suits high-density PCB layouts where space constraints are critical for mobile or handheld devices.

Part Context

This part belongs to Suntsu Electronics' line of SAW filters specifically engineered for radio frequency applications. The series targets the global positioning satellite frequency bands, providing necessary signal isolation and noise reduction for accurate location tracking in consumer and industrial electronics.

Replacement Considerations

Consult official substitution lists from Suntsu Electronics for compatible alternatives. Verify that any replacement maintains the 1.57542 GHz center frequency and compatible package dimensions to ensure mechanical and electrical compatibility without redesigning the circuit board.