SIR433M920S046

Overview

The SIR433M920S046 is a Surface Acoustic Wave (SAW) resonator manufactured by NextGen Components, designed for radio frequency applications. It operates at a center frequency of 433.92 MHz with a frequency tolerance of ±30 kHz. The device features a 50 Ohm impedance and utilizes a four-pad surface mount package. Its physical dimensions are specified as 5.0 mm in length, 3.5 mm in width, and 1.5 mm in height, conforming to the QCC4A case code. The component supports an operating temperature range from -40°C to +85°C and includes ESD protection capabilities.

Feature Summary

• Utilizes Surface Acoustic Wave technology for stable RF signal generation
• Designed for surface mount integration with a compact four-pad footprint
• Engineered for operation across extended industrial temperature ranges

Applications

• Wireless sensor networks
• Remote keyless entry systems
• Industrial telemetry equipment

Procurement Notes

Verify that the specific part number matches the required frequency tolerance and package dimensions before procurement. Confirm that the supplier provides official datasheets confirming the 433.92 MHz center frequency and 50 Ohm impedance specifications. Ensure compatibility with surface mount assembly processes given the QCC4A case code requirements.

Selection Notes

Select this component when a precise 433.92 MHz reference is required for wireless communication modules. Consider the ±30 kHz tolerance for system design margins. Evaluate the 5.0 x 3.5 mm footprint against available PCB space constraints. Verify thermal management strategies for operation within the -40°C to +85°C range.

Part Context

This SAW resonator belongs to the SIR series of SMD components from NextGen Components. It serves as a frequency-determining element in RF circuits, replacing bulkier crystal oscillators in space-constrained designs. The four-pad configuration facilitates automated placement during manufacturing.

Replacement Considerations

Cross-reference with SAR433M920S032 for similar frequency performance but verify package differences. Check SER433M920S001 for alternative pad configurations. Ensure any substitute maintains the 433.92 MHz center frequency and compatible impedance.