TE Connectivity 749805-3 D-Sub Plug 25 Position Crimp Connector

Part Overview

The TE Connectivity 749805-3 is a 25 position D-Sub plug connector with male pins, designed for crimp termination on 20-24 AWG wire. This connector belongs to the AMPLIMITE HDP-20 series and features a shielded, grounded design with tin-plated steel shell and gold-flashed contacts. The 749805-3 is classified as obsolete product status. Identification of equivalent substitute parts is necessary to ensure continued availability, maintain design compatibility, and support ongoing procurement requirements for applications utilizing this connector configuration.

Substiute Parts

749805-3

TE Connectivity AMP ConnectorsIn Stock: 1060749805-3 Datasheet

Current PartRFQ

749805-9

TE Connectivity AMP ConnectorsIn Stock: 9488749805-9 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TE Connectivity 749805-3 are determined by strict equivalence across all electrical and mechanical parameters. The primary substitution criterion is functional and dimensional compatibility within the AMPLIMITE HDP-20 series. Substitutes must maintain identical specifications for connector style, position count, row configuration, shell size layout, mounting type, termination method, wire gauge compatibility, voltage rating, operating temperature range, shell material and finish, contact finish, flange configuration, and dielectric material properties.

The TE Connectivity 749805-9 qualifies as a direct substitute based on complete parameter alignment across all specified electrical and mechanical characteristics. Both connectors share the same base product number (749805), series designation (AMPLIMITE HDP-20), and functional specifications. The primary distinction between these parts is product status classification and packaging configuration, with 749805-9 designated as active product status and supplied in bulk packaging, whereas 749805-3 is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 749805-9 is the direct functional equivalent for the obsolete 749805-3. Both connectors are electrically and mechanically identical across all specified parameters, ensuring drop-in compatibility in existing applications.

Selection between these parts is determined by regulatory and compliance requirements. The 749805-3 is classified as RoHS non-compliant, while the 749805-9 carries ROHS3 compliance certification. For applications subject to RoHS directives or equivalent environmental regulations, the 749805-9 is the appropriate selection. The 749805-9 is designated as active product status with significantly higher inventory availability (9412 units versus 1047 units), supporting long-term supply chain continuity.

Both connectors maintain identical electrical performance characteristics, including 250V voltage rating, -55°C to 105°C operating temperature range, and support for 20-24 AWG wire gauges. The physical form factor, mounting configuration, and termination method are identical, enabling direct substitution without design modification.

Frequently Asked Questions (FAQ)

Q: Can the 749805-9 be used as a direct replacement for the 749805-3 in existing designs?

A: Yes. The 749805-9 is electrically and mechanically equivalent to the 749805-3 across all specified parameters. Both connectors share identical connector style, position count, shell size, mounting type, termination method, voltage rating, temperature range, and material specifications. Direct substitution is supported without design changes.

Q: What is the primary difference between the 749805-3 and 749805-9?

A: The primary differences are product status classification and regulatory compliance. The 749805-3 is obsolete and RoHS non-compliant, while the 749805-9 is active product status and ROHS3 compliant. The 749805-9 is also supplied in bulk packaging and has higher inventory availability.

Q: Are there any compatibility concerns when substituting the 749805-9 for the 749805-3?

A: No compatibility concerns exist. Both connectors are from the same AMPLIMITE HDP-20 series and share the same base product number (749805). All electrical and mechanical parameters are identical, including shell material, contact finish, flange configuration, and dielectric properties.

Q: Does the 749805-9 support the same wire gauge range as the 749805-3?

A: Yes. Both connectors support 20-24 AWG wire gauges and utilize identical crimp termination methods. Wire gauge compatibility is fully maintained.

Q: What is the operating temperature range for both connectors?

A: Both the 749805-3 and 749805-9 operate across the temperature range of -55°C to 105°C, with identical thermal performance characteristics.

Q: Is the 749805-9 suitable for applications requiring RoHS compliance?

A: Yes. The 749805-9 carries ROHS3 compliance certification, making it suitable for applications subject to RoHS directives and equivalent environmental regulations. The 749805-3 is RoHS non-compliant and should not be used in RoHS-regulated applications.

Q: What is the voltage rating for these connectors?

A: Both the 749805-3 and 749805-9 are rated for 250V operation.

Q: Are the flange and mounting configurations identical between these parts?

A: Yes. Both connectors feature cable-side flanges with male short screws (4-40) and free-hanging in-line mounting type. The physical mounting interface is identical.