TE Connectivity 748676-4 D-Sub Backshell Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 748676-4 is a 37-position two-piece backshell connector with 180° cable exit, designed for D-Sub applications requiring shielded configurations. This component functions as a protective and strain-relief accessory for D-Sub connectors in the AMPLIMITE HD-20 series.

The 748676-4 carries an obsolete product status, indicating discontinuation from active manufacturing. Identification of equivalent substitute parts is necessary to maintain design continuity and ensure procurement availability for new production runs, repairs, and system upgrades.

Substiute Parts

748676-4

TE Connectivity AMP ConnectorsIn Stock: 891748676-4 Datasheet

Current PartRFQ

5748676-4

TE Connectivity AMP ConnectorsIn Stock: 8845748676-4 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 748676-4 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Number of Positions: 37
• Compatible Shell Size: C
• Compatible D-Sub Size: 37pos and HD62pos
• Cable Exit Angle: 180°
• Shielding: Shielded
• Cable Type: Round
• Accessory Type: Two Piece Backshell
• Material: Metal, Zinc Alloy
• Plating: Nickel over Copper
• Hardware: Assembly Hardware, Grommets
• Mating Feature: Mating Screws 4-40
• Color: Silver

Parts meeting all these criteria are classified as direct functional equivalents and may be substituted without design modification or connector interface changes.

Parameter Comparison

Engineering Selection Recommendations

The 5748676-4 is a direct functional equivalent to the 748676-4 across all electrical and mechanical parameters. The substitute part maintains identical connector specifications, material composition, plating, and hardware configuration.

Product Status Consideration: The 748676-4 is classified as obsolete, while the 5748676-4 carries active product status. This distinction indicates ongoing manufacturing support and availability for the substitute part.

Compliance Consideration: The 5748676-4 is RoHS compliant, whereas the 748676-4 is RoHS non-compliant. For applications subject to RoHS regulatory requirements, the 5748676-4 fulfills compliance obligations while maintaining functional equivalence.

Packaging Consideration: The 5748676-4 is supplied in bulk packaging, which may differ from the original part's packaging specification. Bulk packaging does not affect connector performance or compatibility.

Selection of the 5748676-4 as a substitute for the 748676-4 is supported by complete parameter equivalence, active product availability, and enhanced regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Can the 5748676-4 be used as a direct replacement for the 748676-4 in existing designs?

A: Yes. The 5748676-4 is functionally equivalent across all electrical and mechanical parameters. No design modifications are required for substitution. Both parts are compatible with 37-position D-Sub connectors in shell size C and support identical cable exit angles, shielding configurations, and hardware specifications.

Q: What is the difference between the 748676-4 and 5748676-4?

A: The primary differences are product status and regulatory compliance. The 748676-4 is obsolete and RoHS non-compliant. The 5748676-4 is an active product with RoHS compliance. All connector specifications, materials, plating, and mechanical features are identical.

Q: Does the bulk packaging of the 5748676-4 affect its performance or compatibility?

A: No. Packaging format does not influence connector performance, electrical characteristics, or mechanical compatibility. Bulk packaging is a supply and logistics consideration only.

Q: Are both parts suitable for shielded D-Sub applications?

A: Yes. Both the 748676-4 and 5748676-4 are shielded backshell connectors with identical shielding specifications. Both support round cable types with 180° cable exit angles.

Q: What connector positions and shell sizes are compatible with these backshells?

A: Both parts are compatible with 37-position D-Sub connectors and HD62-position connectors. Both support shell size C. These specifications are identical between the main part and substitute.

Q: Is the 5748676-4 available in the same material and plating as the 748676-4?

A: Yes. Both parts use metal zinc alloy construction with nickel over copper plating. Material composition and surface treatment are identical.

Q: What hardware is included with these backshell connectors?

A: Both parts include assembly hardware and grommets. Mating screws are 4-40 specification on both parts.