ARJM11B1-805-AB-CW4 Equivalent & Substitute Parts

Part Overview

The ARJM11B1-805-AB-CW4 is a 1 Port RJ45 Through Hole 2.5G Base-T connector manufactured by Abracon LLC. This modular connector features AutoMDIX functionality, 90° right angle orientation, and board lock capability. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement planning. Active equivalent models within the same series provide direct functional replacement while maintaining electrical and mechanical compatibility.

Substiute Parts

ARJM11B1-805-AB-CW4

Abracon LLCIn Stock: 760ARJM11B1-805-AB-CW4 Datasheet

Current PartRFQ

ARJM11B1-805-AB-CW2

Abracon LLCIn Stock: 1060ARJM11B1-805-AB-CW2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ARJM11B1-805-AB-CW4 has one direct equivalent within the ARJM11 series: ARJM11B1-805-AB-CW2. Substitution eligibility is determined by strict equivalence across the following critical parameters:

• Connector Type: RJ45
• Number of Ports: 1
• Applications: 2.5G Base-T, AutoMDIX
• Mounting Type: Through Hole
• Orientation: 90° Angle (Right)
• Height Above Board: 0.535" (14.69mm)
• Number of Cores per Jack: 8
• Shielding: Shielded
• Features: Board Lock
• Operating Temperature: 0°C ~ 70°C
• Contact Finish: Gold
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part maintains identical electrical and mechanical specifications across all critical parameters, with the primary distinction being product status and contact finish thickness.

Parameter Comparison

Engineering Selection Recommendations

The ARJM11B1-805-AB-CW2 is the direct substitute for the obsolete ARJM11B1-805-AB-CW4. Both parts are ROHS3 compliant, REACH unaffected, and classified under identical ECCN and HTSUS codes. The substitute part is currently in active production status with higher inventory availability (993 Pcs vs. 696 Pcs), ensuring long-term supply chain continuity.

The primary technical difference is contact finish thickness: the main part specifies 30.0µin (0.76µm) while the substitute provides 6.00µin (0.152µm). Both gold contact finishes meet the electrical and mechanical requirements for 2.5G Base-T RJ45 applications. All other parameters—connector type, port configuration, mounting method, orientation, height, shielding, board lock feature, LED indicators, and operating temperature range—are identical.

For new designs or ongoing production requiring this connector type, the ARJM11B1-805-AB-CW2 is the recommended selection due to active product status and equivalent functional performance.

Frequently Asked Questions (FAQ)

Q: Can ARJM11B1-805-AB-CW2 be used as a direct replacement for ARJM11B1-805-AB-CW4?

A: Yes. Both parts are electrically and mechanically equivalent across all critical parameters including connector type, port count, 2.5G Base-T application support, AutoMDIX functionality, through-hole mounting, 90° right angle orientation, board lock feature, and operating temperature range. The substitute part is currently in active production.

Q: What is the difference in contact finish thickness between these parts?

A: The main part (ARJM11B1-805-AB-CW4) specifies 30.0µin (0.76µm) gold contact finish thickness, while the substitute (ARJM11B1-805-AB-CW2) specifies 6.00µin (0.152µm). Both are gold finishes suitable for 2.5G Base-T RJ45 applications.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both ARJM11B1-805-AB-CW4 and ARJM11B1-805-AB-CW2 are ROHS3 compliant and REACH unaffected.

Q: What is the board height for this connector?

A: Both parts have a height above board of 0.535" (14.69mm) with 90° right angle orientation and downward tab direction.

Q: Are there any differences in LED indicators?

A: No. Both parts feature identical Green - Yellow LED color indicators.

Q: What is the moisture sensitivity level?

A: Both parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.