RF3446E

Overview

The RF3446E is a Surface Acoustic Wave (SAW) filter manufactured by RFMi, designed for signal conditioning in remote control applications. It operates at a center frequency of 433.92 MHz with a bandwidth of 1080 kHz, covering a range from 433.76 MHz to 434.08 MHz. The component features an insertion loss of 2 dB and supports a voltage rating of 12 V. Impedance values are specified as 130 Ohms and 134.5 Ohms. It utilizes SMD/SMT termination types within the SM-3030-6 package. The device is qualified under AEC-Q200 standards and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Provides front-end selectivity for 433.92 MHz remote control signals
• Compact surface-acoustic-wave design for board mounting
• Low insertion loss characteristics for efficient signal transmission

Applications

• Remote control systems
• Wireless sensor networks
• Industrial telemetry

Procurement Notes

Verify that the specific order quantity aligns with the manufacturer's standard packaging requirements, which typically involve reel quantities. Confirm that the SM-3030-6 package dimensions match the target PCB footprint constraints. Ensure the operating environment remains within the specified -40°C to +105°C thermal limits to maintain performance integrity. Cross-reference the impedance specifications with the circuit design to ensure proper matching. Validate compliance with relevant regional regulatory standards for the 433.92 MHz band before final integration.

Selection Notes

Select this component when a compact SAW filter is required for 433.92 MHz applications with low insertion loss. The SM-3030-6 package offers a small form factor suitable for space-constrained designs. Consider the 1080 kHz bandwidth for applications requiring moderate selectivity. The AEC-Q200 qualification indicates suitability for automotive or high-reliability environments. Evaluate the 12 V voltage rating against the system power supply capabilities.

Part Context

The RF3446E belongs to the RF series of SAW filters produced by RFMi. These components are categorized under signal conditioning products and serve as bandpass filters. The product line focuses on providing economical and reliable solutions for radio frequency applications. The specific model addresses the needs of remote control and wireless communication sectors requiring stable performance at 433.92 MHz.

Replacement Considerations

RF3404E: Offers similar frequency but different bandwidth and impedance.

FAQ

What is the center frequency of the RF3446E?

The center frequency is 433.92 MHz.

What package type does the RF3446E use?

It uses the SM-3030-6 surface mount package.