TE Connectivity AMP Connectors 1-502781-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 1-502781-3 is a 2.5MM hybrid fiber optic receptacle connector. This component is classified as obsolete, necessitating identification of equivalent or substitute parts for ongoing system maintenance and new designs. The original part remains available with 618 pieces in current inventory stock. Due to its obsolete status, alternative components with compatible electrical and mechanical parameters are required for procurement planning and system continuity.

Substiute Parts

1-502781-3

TE Connectivity AMP ConnectorsIn Stock: 7261-502781-3 Datasheet

Current PartRFQ

1-5502781-3

TE Connectivity AMP ConnectorsIn Stock: 7591-5502781-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution analysis for the 1-502781-3 is based on the following criteria derived from provided parameters:

Primary Substitution Criteria:

• Manufacturer alignment (TE Connectivity AMP Connectors)
• Fiber optic connector category classification
• Moisture sensitivity level compatibility (MSL 1)
• Export control classification (ECCN EAR99)
• Active product status for long-term availability

Identified Substitute Part:

The part 1-5502781-3 qualifies as a substitute based on shared manufacturer origin, fiber optic connector category, identical MSL rating, and active product status. This substitute is an SC-FC simplex adapter connector with panel mount configuration, offering continued access to TE Connectivity fiber optic connector technology with improved availability through active production status.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement:

The 1-5502781-3 substitute part is suitable for applications requiring fiber optic connector functionality with the following considerations:

1. Product Status Advantage: The substitute maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete 1-502781-3.

2. Compliance Alignment: Both parts share identical MSL ratings (1 - Unlimited) and ECCN classification (EAR99), maintaining regulatory and environmental compliance requirements.

3. Manufacturer Continuity: Both components originate from TE Connectivity AMP Connectors, preserving design ecosystem consistency and technical support access.

4. Enhanced Specifications: The substitute part includes documented material specifications (PBT housing, metal ferrule, UL94 V-0 flammability rating) providing additional design documentation compared to the main part.

Selection of the 1-5502781-3 substitute is appropriate for new designs and ongoing procurement where the obsolete 1-502781-3 is no longer available.

Frequently Asked Questions (FAQ)

Q: Why is the 1-502781-3 classified as obsolete?

A: The 1-502781-3 has reached end-of-life status within TE Connectivity's product portfolio. Obsolete classification indicates the manufacturer no longer produces this component, though existing inventory remains available.

Q: What makes the 1-5502781-3 a suitable substitute?

A: The 1-5502781-3 qualifies as a substitute based on shared manufacturer origin (TE Connectivity AMP Connectors), identical fiber optic connector category, matching MSL rating (1 - Unlimited), and active production status ensuring continued availability.

Q: Are the MSL ratings identical between both parts?

A: Yes. Both the 1-502781-3 and 1-5502781-3 carry MSL rating 1 (Unlimited), indicating identical moisture sensitivity handling requirements.

Q: Does the substitute part maintain export compliance?

A: Yes. Both parts are classified under ECCN EAR99, maintaining identical export control compliance requirements.

Q: What is the primary functional difference between these parts?

A: The 1-502781-3 is a 2.5MM hybrid receptacle connector, while the 1-5502781-3 is an SC-FC simplex adapter connector with panel mount configuration. The substitute provides adapter functionality between SC and FC connector types.

Q: Is the substitute part RoHS compliant?

A: Yes. The 1-5502781-3 is RoHS compliant. The main part 1-502781-3 lists RoHS status as not applicable, reflecting its obsolete classification and earlier design generation.

Q: What inventory levels are available for each part?

A: The 1-502781-3 has 618 pieces in current stock. The 1-5502781-3 substitute has 743 pieces in current stock, providing greater availability for procurement planning.