TE Connectivity 747051-3 D-Sub Receptacle Equivalent & Substitute Parts

Part Overview

The TE Connectivity 747051-3 is a 15-position D-Sub receptacle connector with female sockets, designed for IDC ribbon cable termination. This connector is part of the AMPLIMITE HDF-20 series and features a 2-row configuration with a DA/A shell size layout. The 747051-3 is classified as obsolete, making identification of active equivalent parts essential for ongoing procurement and system maintenance. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct compatibility in existing applications.

Substiute Parts

747051-3

TE Connectivity AMP ConnectorsIn Stock: 891747051-3 Datasheet

Current PartRFQ

1658609-3

TE Connectivity AMP ConnectorsIn Stock: 12721658609-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 747051-3 is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Mandatory Matching Parameters:

• Connector style: D-Sub
• Connector type: Receptacle, Female Sockets
• Number of positions: 15
• Number of rows: 2
• Shell size and layout: 2 (DA, A)
• Mounting type: Free Hanging (In-Line)
• Termination method: IDC, Ribbon Cable
• Contact finish: Gold at 30.0µin (0.76µm)
• Current rating: 1.25A
• Operating temperature range: -55°C ~ 105°C
• Material flammability rating: UL94 V-0
• Contact material: Phosphor Bronze
• Dielectric material: Thermoplastic
• Flange feature: Housing/Shell (4-40)
• Features: Feed Through
• Color: Black
• Moisture sensitivity level: 1 (Unlimited)

The substitute part TE Connectivity 1658609-3 meets all these requirements and is classified as active, providing a direct functional and mechanical replacement for the obsolete 747051-3.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 1658609-3 is the direct equivalent substitute for the obsolete 747051-3. Both connectors are manufactured by TE Connectivity within the AMPLIMITE HDF-20 series and share identical electrical and mechanical specifications across all critical parameters.

Key Selection Factors:

Product Status: The 747051-3 is classified as obsolete. The 1658609-3 is active and currently in production, ensuring long-term availability and supply chain continuity.

Compliance Status: The 1658609-3 is ROHS3 compliant, whereas the 747051-3 is RoHS non-compliant. For applications subject to RoHS regulations, the 1658609-3 provides regulatory compliance while maintaining full functional equivalence.

Electrical and Mechanical Compatibility: All critical parameters are identical between the two parts, including connector type, position count, shell size, termination method, contact finish, current rating, and operating temperature range. Direct substitution is supported without circuit or mechanical redesign.

Packaging: The 1658609-3 is supplied in Tube packaging, whereas the 747051-3 packaging is not specified. Packaging differences do not affect connector performance or compatibility.

Wire Gauge Specification: The 1658609-3 specifies compatibility with 26-28 AWG stranded or solid wire for IDC ribbon cable termination, providing clear guidance for cable selection in new installations or replacements.

Frequently Asked Questions (FAQ)

Q: Can the 1658609-3 be used as a direct replacement for the 747051-3 in existing applications?

A: Yes. The 1658609-3 is a direct equivalent substitute. All electrical and mechanical parameters are identical, including connector type, position count, shell size, termination method, contact finish, current rating, and operating temperature range. No circuit or mechanical modifications are required.

Q: What is the primary reason for substituting the 747051-3?

A: The 747051-3 is classified as obsolete. The 1658609-3 is an active product in the same series, ensuring continued availability and supply chain reliability. Additionally, the 1658609-3 is ROHS3 compliant, providing regulatory compliance for applications subject to RoHS requirements.

Q: Are there any differences in electrical performance between the two connectors?

A: No. Both connectors have identical electrical specifications: 1.25A current rating, gold contact finish at 30.0µin (0.76µm) thickness, phosphor bronze contact material, and -55°C to 105°C operating temperature range.

Q: What wire gauge should be used with the 1658609-3?

A: The 1658609-3 is compatible with 26-28 AWG stranded or solid wire for IDC ribbon cable termination. This specification applies to the IDC termination process.

Q: Does the packaging difference between the two parts affect compatibility?

A: No. Packaging differences do not affect connector performance, electrical characteristics, or mechanical compatibility. The 1658609-3 is supplied in Tube packaging, which is a handling and storage consideration only.

Q: Are both connectors suitable for the same mounting applications?

A: Yes. Both connectors feature identical mounting specifications: Free Hanging (In-Line) mounting type with Housing/Shell (4-40) flange feature. They are mechanically interchangeable in all mounting configurations.

Q: What is the significance of the RoHS compliance difference?

A: The 1658609-3 is ROHS3 compliant, while the 747051-3 is RoHS non-compliant. For applications or markets requiring RoHS compliance, the 1658609-3 is the appropriate selection. Both connectors are functionally equivalent.

Q: Are there any environmental or temperature limitations that differ between the two parts?

A: No. Both connectors operate across the identical temperature range of -55°C to 105°C and have the same Moisture Sensitivity Level (MSL) rating of 1 (Unlimited). Environmental performance is equivalent.

Q: Can the 1658609-3 be used in applications originally designed for the 747051-3?

A: Yes. The 1658609-3 is a direct functional and mechanical equivalent. It can be used in all applications originally designed for the 747051-3 without any modifications to circuits, mechanical assemblies, or cable specifications.