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Molex 0755486124 Equivalent & Substitute Parts
Part Overview
The Molex 0755486124 is a 24-position receptacle connector from the EXTreme PowerMass 75548 series, designed for backplane applications with through-hole press-fit termination. This connector features gold-plated contacts, UL94 V-0 flammability rating, and operates across -40°C to 105°C. The part is currently obsolete, making identification of active equivalent components essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Molex |
| Series | EXTreme PowerMass 75548 |
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 24 |
| Pitch | 0.098" (2.50mm) |
| Number of Rows | 8 |
| Mounting Type | Through Hole |
| Termination | Press-Fit |
| Contact Finish | Gold, 30.0µin (0.76µm) |
| Color | Black |
| Operating Temperature | -40°C to 105°C |
| Voltage Rating | 450V |
| Material Flammability | UL94 V-0 |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the Molex 0755486124 is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:
Connector configuration: 24 positions, 8 rows, 0.098" (2.50mm) pitch Connector type and termination: Receptacle with female sockets, press-fit through-hole mounting Contact and material specifications: Gold plating at 30.0µin thickness, UL94 V-0 flammability rating, black color Environmental and compliance ratings: Operating temperature range -40°C to 105°C, 450V voltage rating, ROHS3 compliance, MSL 1
The Molex 0755486024 qualifies as a direct substitute, sharing identical electrical and mechanical parameters while offering the advantage of active product status and improved availability.
Parameter Comparison
| Parameter | 0755486124 (Main Part) | 0755486024 (Substitute) | Match |
|---|---|---|---|
| Manufacturer | Molex | Molex | ✓ |
| Series | EXTreme PowerMass 75548 | EXTreme PowerMass 75548 | ✓ |
| Connector Type | Receptacle, Female Sockets | Receptacle, Female Sockets | ✓ |
| Number of Positions | 24 | 24 | ✓ |
| Pitch | 0.098" (2.50mm) | 0.098" (2.50mm) | ✓ |
| Number of Rows | 8 | 8 | ✓ |
| Mounting Type | Through Hole | Through Hole | ✓ |
| Termination | Press-Fit | Press-Fit | ✓ |
| Contact Finish | Gold, 30.0µin (0.76µm) | Gold, 30.0µin (0.76µm) | ✓ |
| Color | Black | Black | ✓ |
| Operating Temperature | -40°C to 105°C | -40°C to 105°C | ✓ |
| Voltage Rating | 450V | 450V | ✓ |
| Material Flammability | UL94 V-0 | UL94 V-0 | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| Product Status | Obsolete | Active | Different |
| Packaging | Bulk | Tray | Different |
Engineering Selection Recommendations
The Molex 0755486024 is the direct functional equivalent to the obsolete 0755486124. Both components are manufactured by Molex within the same EXTreme PowerMass 75548 series and maintain identical electrical and mechanical specifications across all critical parameters including connector configuration, contact materials, environmental ratings, and compliance certifications.
The primary distinction is product status: the 0755486024 is currently active, ensuring ongoing availability and supply chain continuity. The substitute also offers improved packaging in tray format compared to bulk packaging of the original part.
For applications requiring the 24-position, 0.098" pitch receptacle connector with press-fit through-hole termination, gold-plated contacts, and UL94 V-0 compliance, the 0755486024 provides complete functional interchangeability with superior lifecycle support.
Frequently Asked Questions (FAQ)
Q: Can the Molex 0755486024 be used as a direct replacement for the 0755486124?
A: Yes. Both connectors share identical specifications across all electrical and mechanical parameters, including 24-position configuration, 0.098" pitch, press-fit termination, gold contact finish, operating temperature range, voltage rating, and flammability certification. The 0755486024 is the active equivalent.
Q: What is the difference between these two part numbers?
A: The primary differences are product status and packaging. The 0755486124 is obsolete with bulk packaging, while the 0755486024 is active with tray packaging. All functional specifications remain identical.
Q: Are there any compatibility concerns when substituting the 0755486024 for the 0755486124?
A: No compatibility concerns exist. The connectors are mechanically and electrically identical, with identical PCB footprints, contact layouts, and mounting requirements. The tray packaging of the substitute part does not affect connector performance or installation.
Q: What certifications and compliance ratings apply to the substitute part?
A: The Molex 0755486024 maintains ROHS3 compliance, UL94 V-0 flammability rating, MSL 1 (unlimited moisture sensitivity level), and REACH unaffected status, identical to the original part.
Q: Is the 0755486024 available in the same series?
A: Yes. The 0755486024 is part of the same Molex EXTreme PowerMass 75548 series, ensuring design continuity and compatibility with existing connector ecosystems.
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