SRFBF-1E1B1A-WFB8

Overview

The SRFBF-1E1B1A-WFB8 is a miniature ceramic band pass filter manufactured by Suntsu Electronics, Inc. It operates with a center frequency of 2.45 GHz and supports a bandwidth range from 2400 to 2500 MHz. The device features a 100 MHz bandwidth specification and is designed for a 50 Ohm impedance system. It utilizes a 5-SMD, no lead package configuration with physical dimensions of 1.40x1.10mm.

Feature Summary

• Miniature surface-mount construction suitable for space-constrained designs
• Ceramic band pass filtering technology for signal integrity
• Optimized for 2.45 GHz ISM band applications

Applications

• Wireless communication modules operating in the 2.4 GHz band
• RF front-end filtering for Bluetooth devices
• Wi-Fi transceiver signal conditioning

Procurement Notes

Verify the specific suffix WFB8 against official Suntsu documentation to confirm terminal finish and packaging type. Ensure the 5-SMD no-lead footprint matches the target PCB layout. Confirm that the 1.40x1.10mm dimensions are compatible with assembly equipment capabilities before procurement.

Selection Notes

Select this component when a compact ceramic filter is required for 2.45 GHz applications. The 50 Ohm impedance ensures compatibility with standard RF transmission lines. Consider the 100 MHz bandwidth requirement relative to the 2400-2500 MHz operational range to ensure adequate signal rejection outside the desired passband.

Part Context

This part belongs to Suntsu's SRFBF series of ceramic filters. The series offers various configurations for different frequency bands and package sizes. The SRFBF-1E1B1A-WFB8 specifically targets the 2.45 GHz market segment with a specialized miniature form factor.

Replacement Considerations

Cross-reference with other Suntsu models in the SRFBF series for alternative pinouts or dimensions. Verify electrical equivalence with competitor ceramic filters rated for 2.45 GHz and 50 Ohm systems before substitution.