SIR314M200S043

Overview

The SIR314M200S043 is a Surface Mount Device (SMD) SAW resonator from the SIR series, manufactured by NextGen Components. It operates at a center frequency of 314.200 MHz with a frequency tolerance of ±100 kHz. The component features a 50-ohm impedance and a maximum insertion loss of 2.0 dB. It utilizes a 4-pad surface mount package with dimensions of 5.0 mm length, 3.5 mm width, and 1.5 mm height. The device is designed for operation within a temperature range of -40°C to +85°C.

Feature Summary

• Single-port Surface Acoustic Wave (SAW) resonator technology
• Compact 5035 type SMD package with four solder pads
• Defined 50-ohm input/output impedance matching
• Operational stability across extended industrial temperature ranges

Applications

• RF signal filtering in communication modules
• Frequency reference generation in electronic circuits
• Signal processing stages requiring precise frequency selection
• Embedded systems utilizing surface mount assembly processes

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure accurate frequency and tolerance specifications. Confirm that the required package variant matches the 5035 type dimensions. Cross-reference the part number with authorized distributors to validate authenticity and current product status before finalizing procurement orders.

Selection Notes

Select this component when a fixed frequency SAW resonator is required for 314.2 MHz applications. Ensure the design accommodates the specified 50-ohm impedance and thermal operating range. Consider the physical footprint constraints of the 5.0 x 3.5 mm package during PCB layout planning. Validate insertion loss requirements against system sensitivity thresholds.

Part Context

This component belongs to the SIR series of SMD SAW resonators produced by NextGen Components. The series offers various frequency options within standardized surface mount packages. The SIR314M200S043 specifically addresses needs for stable, single-port resonance at 314.2 MHz in compact electronic designs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components based on identical electrical parameters and mechanical dimensions if substitution is necessary.