TE Connectivity 747318-2 D-Sub Receptacle Equivalent & Substitute Parts

Part Overview

The TE Connectivity 747318-2 is a 25-position D-Sub receptacle connector with female sockets, designed for IDC ribbon cable termination. This connector belongs to the AMPLIMITE HDF-20 series and features a free-hanging, in-line mounting configuration with a DB/B shell size layout.

The 747318-2 carries an obsolete product status. Locating equivalent and substitute components is necessary to support ongoing maintenance, repair, and production requirements for systems utilizing this connector type. Active alternatives with identical electrical and mechanical specifications are available to ensure continuity of supply and system compatibility.

Substiute Parts

747318-2

TE Connectivity AMP ConnectorsIn Stock: 913747318-2 Datasheet

Current PartRFQ

1658614-2

TE Connectivity AMP ConnectorsIn Stock: 20161658614-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 747318-2 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector type: Receptacle with female sockets
• Number of positions: 25
• Number of rows: 2
• Contact material: Phosphor bronze
• Contact finish: Gold at 30.0µin thickness
• Current rating: 1.25A
• Operating temperature range: -55°C to 105°C

Mechanical Compatibility Parameters:

• Connector style: D-Sub
• Shell size and layout: 3 (DB, B)
• Mounting configuration: Free hanging, in-line
• Termination method: IDC ribbon cable
• Flange feature: Unthreaded housing/shell
• Dielectric material: Thermoplastic
• Flammability rating: UL94 V-0

Supply Chain Parameters:

• Manufacturer: TE Connectivity AMP Connectors
• Series: AMPLIMITE HDF-20

The substitute part TE Connectivity 1658614-2 maintains complete equivalence across all electrical and mechanical parameters. The primary distinction is product status: the 747318-2 is obsolete, while the 1658614-2 is active and carries RoHS3 compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 1658614-2 is the direct substitute for the obsolete 747318-2. Both connectors are electrically and mechanically identical across all specified parameters, including connector configuration, contact materials, current ratings, and operating temperature range.

The 1658614-2 offers the following advantages for new designs and ongoing production:

Product Status: The 1658614-2 maintains active product status with established supply chain availability. The 747318-2 is obsolete and subject to inventory depletion.

Regulatory Compliance: The 1658614-2 carries RoHS3 compliance certification, meeting current environmental and regulatory requirements. The 747318-2 is RoHS non-compliant and may not satisfy procurement specifications for new applications or updated systems.

Packaging: The 1658614-2 is supplied in bulk packaging, supporting both prototype and production-volume requirements.

For applications currently utilizing the 747318-2, direct substitution with the 1658614-2 requires no design modifications, connector interface changes, or ribbon cable reconfiguration. Pin assignments, contact spacing, and mechanical mounting remain identical.

Frequently Asked Questions (FAQ)

Q: Can the 1658614-2 be used as a direct replacement for the 747318-2 in existing assemblies?

A: Yes. The 1658614-2 is electrically and mechanically equivalent to the 747318-2. No design modifications, PCB changes, or cable reconfiguration are required. The connectors are pin-for-pin compatible and accept identical IDC ribbon cable terminations.

Q: What is the primary reason to transition from the 747318-2 to the 1658614-2?

A: The 747318-2 is obsolete, while the 1658614-2 is an active product with established supply chain support. Additionally, the 1658614-2 carries RoHS3 compliance certification, meeting current regulatory requirements for new designs and updated systems.

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

A: No. Both connectors share identical electrical specifications: 1.25A current rating, gold-plated phosphor bronze contacts, -55°C to 105°C operating temperature range, and UL94 V-0 flammability rating.

Q: What ribbon cable specifications are compatible with both connectors?

A: Both connectors accept IDC ribbon cable termination. The 1658614-2 specification includes wire gauge compatibility: 26-28 AWG, stranded or solid conductor.

Q: Is the 1658614-2 available in different packaging options?

A: The 1658614-2 is supplied in bulk packaging. The 747318-2 packaging specification was not provided in the available documentation.

Q: Do both connectors support the same mounting configuration?

A: Yes. Both connectors feature free-hanging, in-line mounting with unthreaded housing/shell flanges. No mounting hardware or installation procedure changes are required.

Q: What is the shelf life and moisture sensitivity rating for the 1658614-2?

A: The 1658614-2 carries Moisture Sensitivity Level 1 (Unlimited), indicating no special storage or handling requirements. The connector is suitable for standard warehouse storage conditions without desiccant packaging or controlled humidity environments.