CRS150 RF Antenna Equivalent & Substitute Parts

Part Overview

The CRS150 is a 162MHz whip straight RF antenna manufactured by TE Connectivity Laird, designed for VHF band applications in the 150MHz to 174MHz frequency range. This component features a UHF female termination and bracket mount configuration with 2dBi gain and 1.5 VSWR. The CRS150 is classified as obsolete, making identification of functionally equivalent substitute parts necessary for ongoing system support and component procurement.

Substiute Parts

CRS150

TE Connectivity LairdIn Stock: 1201CRS150 Datasheet

Current PartRFQ

FG1520

TE Connectivity LairdIn Stock: 907FG1520 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CRS150 is determined by the following critical parameters:

Frequency Compatibility: The substitute part must operate within or overlap the VHF frequency band (f < 300MHz) and support the operational frequency range of 150MHz to 174MHz.

Antenna Configuration: The substitute must maintain whip, straight antenna geometry to ensure mechanical and electrical performance equivalence in the intended mounting environment.

Termination Type: While the CRS150 uses UHF female termination, substitute parts may employ alternative RF connector types (such as N Type Female) provided the electrical interface is compatible with the system design.

Mounting Interface: The substitute must support bracket mount configuration to ensure installation compatibility.

Regulatory Compliance: The substitute must maintain RoHS compliance and equivalent MSL rating for environmental and manufacturing process compatibility.

The FG1520 is identified as a manufacturer-recommended substitute based on these parameters, despite operating at a different center frequency (154MHz) within the VHF band.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The CRS150 is classified as obsolete, while the FG1520 maintains active product status. For new designs or long-term system support, the FG1520 is the appropriate selection due to ongoing manufacturer support and availability.

Compliance Alignment: Both parts maintain RoHS compliance and MSL rating 1, ensuring compatibility with current manufacturing and environmental standards.

Frequency Band Operation: The FG1520 operates at 154MHz within the 152MHz to 156MHz range, which overlaps with the CRS150 operational band. This frequency proximity supports functional substitution for VHF applications in the specified band.

Connector Interface: The transition from UHF female (CRS150) to N Type female (FG1520) requires connector adaptation or system redesign. This represents the primary integration consideration for substitution.

Physical Dimensions: The FG1520 height of 68.000" exceeds the CRS150 height of 44.882". Installation space and mechanical clearance must be verified before substitution.

Frequently Asked Questions (FAQ)

Q: Can the FG1520 directly replace the CRS150 without modifications?

A: Direct replacement requires connector adaptation due to termination type difference (UHF female to N Type female). Physical space verification is also necessary due to increased antenna height.

Q: What is the frequency overlap between CRS150 and FG1520?

A: The FG1520 frequency range (152MHz – 156MHz) is contained within the CRS150 frequency range (150MHz – 174MHz). The FG1520 operates at 154MHz center frequency, which is within the CRS150 operational band.

Q: Are there performance differences between these antennas?

A: Yes. The CRS150 provides 2dBi gain with 1.5 VSWR, while the FG1520 provides 0dB gain with 2 VSWR. The FG1520 also specifies 150W maximum power handling. These differences must be evaluated against system requirements.

Q: Why is the FG1520 taller than the CRS150?

A: The FG1520 height of 68.000" compared to CRS150 height of 44.882" reflects design differences in the antenna element. Installation space must be confirmed before substitution.

Q: Are both parts RoHS compliant?

A: Yes. Both CRS150 and FG1520 are RoHS compliant with MSL rating 1 (unlimited moisture sensitivity level).

Q: What is the primary reason to substitute the CRS150?

A: The CRS150 is obsolete. The FG1520 is the manufacturer-recommended active substitute for ongoing procurement and system support.