125CH-D-09 Equivalent & Substitute Parts

Part Overview

The 125CH-D-09 is a 9-position rectangular connector receptacle housing manufactured by Adam Tech. This component is designed for applications requiring crimp-terminated female socket connections with a 1.25mm pitch in a single-row configuration. The housing features friction lock fastening and operates across a temperature range of -25°C to 85°C. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating, this connector is suitable for industrial and commercial applications. Substitute parts may be required due to inventory availability, lead time considerations, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

125CH-D-09

Adam TechIn Stock: 1643125CH-D-09 Datasheet

Current PartRFQ

0511460900

MolexIn Stock: 178100511460900 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 125CH-D-09 is determined by strict alignment with the following critical parameters:

• Connector Type & Contact Configuration: Must be receptacle housing with female socket contacts
• Position Count & Pitch: Exactly 9 positions at 0.049" (1.25mm) pitch
• Row Configuration: Single row layout
• Termination & Fastening: Crimp contact termination with friction lock fastening
• Mounting Style: Free hanging in-line configuration
• Regulatory Compliance: ROHS3 compliance and MSL 1 rating required

The substitute part 0511460900 (Molex PanelMate 51146) meets all these criteria. Variations in insulation material (polyamide versus polybutylene terephthalate) and color (beige versus natural) do not affect functional compatibility. The extended operating temperature range of the substitute (-40°C to 85°C) provides additional thermal margin without compromising compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the 125CH-D-09 and 0511460900 are active products with full ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial and commercial applications. Selection between these parts should be based on:

Primary Factors: Inventory availability, lead time requirements, and cost considerations. Both parts are functionally equivalent for applications within the specified operating temperature range.

Secondary Considerations: The Molex 0511460900 offers an extended lower operating temperature limit (-40°C versus -25°C), providing additional thermal margin for applications exposed to extreme cold environments. The difference in insulation material (PBT versus PA66) does not affect electrical or mechanical compatibility for standard connector applications.

Compliance Status: Both parts maintain identical regulatory standing with ROHS3 compliance, MSL 1 rating, and REACH unaffected designation, ensuring no compliance-related restrictions on substitution.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0511460900 directly replace the Adam Tech 125CH-D-09 in existing designs?

A: Yes. Both parts share identical electrical and mechanical specifications for connector type, position count, pitch, row configuration, termination method, and fastening mechanism. The housings are functionally interchangeable.

Q: Does the difference in insulation material affect performance?

A: No. Both polyamide (PA66) and polybutylene terephthalate (PBT) are standard insulation materials for rectangular connectors in this class. The material difference does not impact electrical properties or mechanical compatibility.

Q: Are there any temperature-related limitations when substituting?

A: No. The Molex substitute operates across -40°C to 85°C, which encompasses the Adam Tech operating range of -25°C to 85°C. Applications within the original temperature specification remain fully compatible.

Q: Do the color differences (beige versus natural) affect connector function?

A: No. Color is a cosmetic specification only and does not affect electrical or mechanical performance.

Q: Are both parts equally available?

A: Availability varies by distributor and time. The Molex 0511460900 currently shows higher inventory levels (17,726 pcs) compared to the Adam Tech 125CH-D-09 (1,593 pcs), which may influence selection based on lead time requirements.

Q: What compliance certifications apply to both parts?

A: Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. No additional certifications or testing is required for substitution.