ANT-418-HETH

Antennas RF Overview

The ANT-418-HETH is a through-hole helical RF antenna manufactured by TE Connectivity Linx, designed for UHF applications. It operates at a center frequency of 418 MHz with a bandwidth spanning 40 MHz (418 MHz to 458 MHz). The component features linear polarization and a gain of 1.9 dBi. It maintains a Voltage Standing Wave Ratio (VSWR) of 2 and an impedance of 50 Ohms. Physically, the antenna has a maximum length of 38.1 mm and is rated for operating temperatures between -40°C and +80°C.

Antennas RF Feature Summary

• Helical coil structure optimized for sub-GHz ISM band transmission
• Through-hole termination style suitable for PCB integration
• Linear polarization design for consistent signal propagation

Antennas RF Applications

• ISM band communication systems
• Remote control devices
• Alarm system transmitters
• Security system components

Antennas RF Procurement Notes

Verify the specific datasheet version before procurement, as manufacturing details may evolve. Confirm that the through-hole mounting requirements align with your PCB layout constraints. Ensure the operating temperature range meets your environmental specifications. Check for any recent product change notices regarding material or cosmetic updates. Validate compatibility with your intended RF circuit impedance matching network.

Antennas RF Selection Notes

Select this model when a compact, low-profile helical antenna is required for through-hole assembly. It is suitable for designs prioritizing moderate gain in the 418 MHz range. Consider the physical length constraint of 38.1 mm during mechanical enclosure design. This part is appropriate for applications requiring robust performance in standard industrial temperature ranges.

Antennas RF Part Context

This component belongs to the HE series of embedded monopole antennas from TE Connectivity Linx. It is specifically engineered for UHF frequencies, providing a reliable solution for short-range wireless communication needs. The helical design allows for efficient radiation patterns within a constrained vertical space compared to traditional whip antennas.

Antennas RF Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for cross-reference options if this specific model is unavailable.