MAF94404 Equivalent & Substitute Parts Reference

Part Overview

The MAF94404 is a 2.45GHz WLAN whip antenna manufactured by TE Connectivity Laird, designed for 2.4GHz to 2.5GHz wireless applications. This component features a U.FL (UMCC) connector with IPEX MHF1 base mount configuration and is classified as obsolete. Due to its obsolete product status, identifying functionally equivalent substitute parts is essential for ongoing design support, production continuity, and system maintenance.

Substiute Parts

MAF94404

TE Connectivity LairdIn Stock: 806MAF94404 Datasheet

Current PartRFQ

ANT-2.4-PML-UFL

TE Connectivity LinxIn Stock: 3562ANT-2.4-PML-UFL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAF94404 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Frequency Range: Must cover or fall within 2.4GHz ~ 2.5GHz band
• Termination Type: Must be U.FL (UMCC) / IPEX MHF1 connector
• Antenna Type: Must be Whip or Tilt configuration
• RF Standard: Must support WiFi applications

Compatible Mechanical Parameters:

• Mounting configuration must accommodate the application environment
• Height and form factor should be compatible with available space constraints

The ANT-2.4-PML-UFL qualifies as a substitute based on matching frequency coverage (2.35GHz ~ 2.6GHz encompasses the 2.4GHz ~ 2.5GHz requirement), identical U.FL (UMCC) / IPEX MHF1 termination, whip/tilt antenna type, and WiFi RF standard support. The primary difference is mounting type (panel mount versus base mount) and increased height, which must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

For MAF94404 Replacement:

The ANT-2.4-PML-UFL is the qualified substitute based on electrical and mechanical parameter alignment. Selection of this substitute requires evaluation of the following factors:

1. Mounting Configuration Change: The MAF94404 uses base mount while ANT-2.4-PML-UFL uses panel mount. PCB layout and mechanical housing must accommodate this difference.

2. Physical Height Increase: The substitute is 1.789" (45.45mm) taller than the original part. Verify available vertical clearance in the application enclosure.

3. Active Product Status: ANT-2.4-PML-UFL is active and in production, ensuring long-term availability and supply chain continuity compared to the obsolete MAF94404.

4. Improved VSWR Performance: The substitute exhibits lower VSWR (1.9 versus 2), indicating better impedance matching and reduced signal reflection.

5. Compliance Certifications: ANT-2.4-PML-UFL carries RoHS Compliant and REACH Unaffected designations, meeting modern regulatory requirements.

6. Expanded RF Standard Support: While both support WiFi, the substitute also supports Bluetooth and 802.15.4 standards, providing additional application flexibility.

Frequently Asked Questions (FAQ)

Q: Can ANT-2.4-PML-UFL directly replace MAF94404 without PCB modifications?

A: Direct replacement requires mechanical redesign. The mounting type differs (panel mount versus base mount), necessitating PCB layout changes and potential housing modifications to accommodate the increased height.

Q: Are the U.FL connectors on both parts identical?

A: Both parts use U.FL (UMCC) / IPEX MHF1 connectors, ensuring electrical compatibility at the connector interface. Physical mounting orientation differs due to base mount versus panel mount configuration.

Q: Does the frequency range difference affect WiFi performance?

A: The ANT-2.4-PML-UFL frequency range (2.35GHz ~ 2.6GHz) fully encompasses the MAF94404 range (2.4GHz ~ 2.5GHz). WiFi operation at 2.4GHz band is supported by both parts without performance degradation.

Q: What is the significance of the VSWR difference?

A: Lower VSWR (1.9 versus 2) on the substitute indicates improved impedance matching. This results in reduced signal reflection and better RF efficiency, representing a performance improvement over the original part.

Q: Is the height increase a critical factor for substitution?

A: Height compatibility depends on available space in the application enclosure. The 45.45mm increase must be verified against mechanical constraints. If space is limited, alternative substitutes with lower profile may be required.

Q: What does RoHS Compliant status mean for the substitute?

A: RoHS Compliance indicates the ANT-2.4-PML-UFL meets Restriction of Hazardous Substances regulations, restricting lead, cadmium, mercury, and other hazardous materials. This is required for many commercial and consumer applications.

Q: Can both parts be used interchangeably in existing designs?

A: Electrical interchangeability is confirmed through matching frequency range, connector type, and RF standards. Mechanical interchangeability requires design review due to mounting type and height differences.