TE Connectivity Erni 43351 Connector Coding Male Key Z-Pack 2MM Equivalent & Substitute Parts

Part Overview

The TE Connectivity Erni 43351 is a connector coding male key component designed for 2MM Z-Pack connector systems. This part functions as a coding element within modular connector assemblies, ensuring proper mating orientation and preventing incorrect connections in electronic equipment.

The 43351 carries an obsolete product status, indicating it is no longer in active production or supported by the manufacturer. Locating equivalent and substitute parts is necessary for maintenance, repair, and legacy system support where original components are no longer available through standard distribution channels.

Substiute Parts

43351

TE Connectivity ErniIn Stock: 74443351 Datasheet

Current PartRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TE Connectivity Erni 43351 connector coding male key is determined by the following critical parameters:

Primary Substitution Criteria:

• Connector pitch specification: 2MM
• Connector system compatibility: Z-Pack modular connector family
• Coding element type: Male key configuration
• Physical form factor and mating interface

Substitution Logic: Equivalent parts must maintain identical mechanical dimensions, mating geometry, and coding function within Z-Pack 2MM connector systems. The coding male key serves a passive mechanical role in preventing incorrect connector orientation; therefore, dimensional accuracy and material compatibility are the determining factors for substitution eligibility.

No manufacturer-recommended substitute parts have been provided in the available technical documentation for the 43351. Substitution evaluation requires direct comparison of mechanical specifications, connector system compatibility, and coding key geometry against candidate parts from TE Connectivity Erni or other connector manufacturers offering Z-Pack 2MM compatible coding elements.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Component Replacement:

The 43351 is classified as obsolete. When selecting substitute parts, prioritize components that maintain full mechanical and functional compatibility with existing Z-Pack 2MM connector assemblies. Substitutes must not require modifications to mating connectors, PCB layouts, or assembly procedures.

Compliance Considerations:

Verify that substitute parts meet the same environmental, thermal, and material specifications as the original 43351 component. Ensure compatibility with the connector system's overall design specifications and any applicable industry standards for the equipment in which the connector is installed.

Inventory and Availability:

Current inventory of 696 pieces of new original TE Connectivity Erni 43351 components is available. For applications requiring immediate replacement, original stock should be prioritized. For long-term supply planning, identify and qualify substitute parts from active product lines offering equivalent Z-Pack 2MM coding male key functionality.

Frequently Asked Questions (FAQ)

Q: What is the primary function of the TE Connectivity Erni 43351 connector coding male key?

A: The 43351 is a coding element that prevents incorrect mating of Z-Pack 2MM connectors by providing mechanical keying. It ensures proper orientation and alignment during connector assembly.

Q: Why is the 43351 marked as obsolete?

A: The product status indicates that TE Connectivity Erni has discontinued manufacturing and active support for this component. Obsolete status means it is no longer available through standard manufacturer distribution.

Q: What parameters must a substitute part match?

A: Substitute parts must match the 2MM connector pitch, Z-Pack modular system compatibility, and male key coding configuration. Mechanical dimensions and mating geometry must be identical to ensure proper function in existing connector assemblies.

Q: Can I use a coding key from a different connector pitch?

A: No. Connector pitch is a critical parameter. A coding key designed for a different pitch will not function correctly and may damage the connector system.

Q: Is the 43351 compatible with non-Z-Pack connector systems?

A: No. The 43351 is specifically designed for Z-Pack 2MM modular connector systems. It is not compatible with other connector families or pitch specifications.

Q: Where can I find equivalent parts if original stock is depleted?

A: Contact TE Connectivity Erni directly for obsolete component support, or consult authorized connector distributors for active product alternatives that meet the specified Z-Pack 2MM male key coding requirements.

Q: Are there any certifications or compliance standards associated with this component?

A: The provided technical data does not include specific certification or compliance information. Refer to the original equipment manufacturer's documentation for applicable standards and requirements for your specific application.