ARJM11B1-577-AB-CW2 Equivalent & Substitute Parts

Part Overview

The ARJM11B1-577-AB-CW2 is a 1-port RJ45 through-hole modular connector manufactured by Abracon LLC, designed for 10/100/1000 Base-T Ethernet applications with AutoMDIX support. This connector features a 90° right-angle orientation, solder termination, and integrated board lock mechanism with dual LED indicators (green-yellow).

The ARJM11B1-577-AB-CW2 is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this connector type.

Substiute Parts

ARJM11B1-577-AB-CW2

Abracon LLCIn Stock: 773ARJM11B1-577-AB-CW2 Datasheet

Current PartRFQ

ARJM11B1-502-AB-CW2

Abracon LLCIn Stock: 865ARJM11B1-502-AB-CW2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ARJM11B1-577-AB-CW2 is determined by strict equivalence across the following critical parameters:

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

Parts meeting all these criteria are classified as direct equivalents within the ARJM11 series.

Parameter Comparison

Engineering Selection Recommendations

The ARJM11B1-502-AB-CW2 is a direct functional equivalent to the obsolete ARJM11B1-577-AB-CW2. Both connectors share identical electrical and mechanical specifications across all critical parameters.

The primary distinction is product status: ARJM11B1-502-AB-CW2 is active and currently in production, with 829 units in stock, whereas ARJM11B1-577-AB-CW2 is obsolete with limited remaining inventory (750 units).

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current and future applications. The identical operating temperature range (0°C ~ 70°C), moisture sensitivity level (MSL 1), and contact finish specifications guarantee functional interchangeability in 10/100/1000 Base-T Ethernet applications with AutoMDIX support.

Frequently Asked Questions (FAQ)

Q: Can ARJM11B1-502-AB-CW2 be used as a direct replacement for ARJM11B1-577-AB-CW2?

A: Yes. Both connectors are functionally equivalent across all electrical and mechanical parameters, including connector type, port configuration, mounting method, orientation, termination type, board height, shielding, and contact specifications.

Q: What is the difference between these two part numbers?

A: The primary difference is product lifecycle status. ARJM11B1-577-AB-CW2 is obsolete, while ARJM11B1-502-AB-CW2 is active. All technical specifications remain identical.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. The connectors are mechanically and electrically identical, with matching PCB footprints, solder pad configurations, and functional performance characteristics.

Q: Do both parts meet current regulatory requirements?

A: Yes. Both ARJM11B1-577-AB-CW2 and ARJM11B1-502-AB-CW2 are ROHS3 compliant and REACH unaffected, meeting current regulatory standards.

Q: What applications are these connectors suitable for?

A: Both connectors are designed for 10/100/1000 Base-T Ethernet applications with AutoMDIX capability, supporting standard RJ45 network interface requirements.