SIR433M920S043

Overview

The SIR433M920S043 is a Surface Acoustic Wave (SAW) resonator manufactured by NextGen Components. It operates at a center frequency of 433.92 MHz with a frequency tolerance of ±100 kHz. The device features a maximum insertion loss of 2.0 dB and an impedance of 50 Ohms. It is housed in a 4-SMD, No Lead package with dimensions of 5.0 mm length, 3.5 mm width, and 1.5 mm height. The component supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Utilizes Surface Acoustic Wave technology for stable resonance
• Designed for surface-mount assembly via four pads
• Optimized for low insertion loss performance

Applications

• Wireless remote control systems
• Industrial telemetry transmitters
• Short-range communication modules

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct frequency tolerance and packaging configuration. Confirm that the required frequency stability aligns with the ±100 kHz specification provided in the datasheet before finalizing procurement orders.

Selection Notes

Select this component when a 433.92 MHz SAW resonator is required for space-constrained designs due to its compact 5035 type package. Ensure the application environment remains within the specified -40°C to 85°C operational temperature range to maintain frequency accuracy.

Part Context

This part belongs to the SIR Series of SMD SAW resonators from NextGen Components. It is designed for high-volume manufacturing applications requiring consistent RF performance. The series utilizes standardized footprint dimensions to facilitate automated placement processes.

Replacement Considerations

Cross-reference with other 433.92 MHz SAW resonators offering similar ±100 kHz tolerance and 5035 package dimensions. Verify pin compatibility and electrical parameters before substituting.