TE Connectivity 747043-4 D-Sub Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 747043-4 is a 9-position D-Sub plug connector with male pins, designed for IDC ribbon cable termination in free-hanging inline applications. This connector is part of the AMPLIMITE HDF-20 series and features a steel tin-plated shell with gold-plated contacts. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing system support and procurement planning.

Key Parameters

Parameter	Specification
Connector Style	D-Sub
Connector Type	Plug, Male Pins
Number of Positions	9
Number of Rows	2
Shell Size, Connector Layout	1 (DE, E)
Mounting Type	Free Hanging (In-Line)
Termination	IDC, Ribbon Cable
Shell Material, Finish	Steel, Tin Plated
Contact Finish	Gold
Contact Material	Phosphor Bronze
Current Rating	1.25A
Operating Temperature	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 747043-4 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Connector style: D-Sub
Connector type: Plug, Male Pins
Number of positions: 9
Number of rows: 2
Shell size and layout: 1 (DE, E)
Termination method: IDC, Ribbon Cable
Material flammability rating: UL94 V-0
Moisture sensitivity level: 1 (Unlimited)

Secondary Compatibility Factors:

Mounting type (Free Hanging In-Line vs. Panel Mount) affects mechanical fit
Contact material and finish specifications impact electrical performance
Operating temperature range must encompass the original specification
Current rating must meet or exceed the original 1.25A specification

The substitute parts are grouped into two categories:

Direct Equivalents (Same Mounting Type): Parts maintaining free-hanging inline mounting configuration with identical electrical and mechanical interfaces.

Functional Alternatives (Different Mounting Type): Parts with panel mount configuration that share core electrical specifications but require mechanical adaptation for installation.

Parameter Comparison

Parameter	747043-4 (Main)	1658608-4	G17K09101001EU	G17K09103101EU	09661286700	09661287700	8209-6000	8209-6003	8209-6009	8209-8000	8209-8003
Manufacturer	TE Connectivity	TE Connectivity	Amphenol ICC	Amphenol ICC	HARTING	HARTING	3M	3M	3M	3M	3M
Connector Type	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins
Number of Positions	9	9	9	9	9	9	9	9	9	9	9
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
Shell Size, Layout	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)	1 (DE, E)
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount	Panel Mount
Termination	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable
Shell Material, Finish	Steel, Tin Plated	Steel, Tin Plated	Steel	Steel	Steel	Steel	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated	Steel, Tin Plated
Contact Finish	Gold	Gold	Gold	Gold	Not Specified	Not Specified	Gold	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Brass	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Current Rating (Amps)	1.25A	1.25A	Not Specified	Not Specified	2A	2A	1A	1A	1A	1A	1A
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	Not Specified	Not Specified	Not Specified	Not Specified	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	Compliant	Compliant	Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Tier 1 Direct Equivalent (Recommended Primary Substitute):

The TE Connectivity 1658608-4 is the optimal substitute for the obsolete 747043-4. This part maintains identical electrical and mechanical specifications, including the same free-hanging inline mounting configuration, 1.25A current rating, and -55°C to 105°C operating temperature range. The 1658608-4 is classified as active product status with RoHS compliance and REACH affected designation, ensuring long-term availability and regulatory alignment. Contact material differs (Phosphor Bronze vs. unspecified in substitute), but both meet UL94 V-0 flammability requirements and MSL 1 moisture sensitivity specifications.

Tier 2 Functional Alternatives (Amphenol ICC):

The Amphenol ICC G17K09101001EU and G17K09103101EU connectors provide electrical compatibility through identical 9-position, 2-row D-Sub configuration with IDC ribbon cable termination. Both parts are active products with RoHS compliance. These alternatives feature brass contact material and polybutylene terephthalate (PBT) dielectric material. The primary mechanical difference is the unthreaded housing/shell flange versus the 4-40 threaded flange on the original part. Operating temperature and current rating specifications are not provided for these parts, requiring verification against application requirements.

Tier 3 Functional Alternatives (3M 8200 Series):

The 3M 8209-6000, 8209-6003, 8209-6009, 8209-8000, and 8209-8003 connectors share core D-Sub 9-position specifications with IDC ribbon cable termination and UL94 V-0 flammability rating. All 3M parts are panel mount configuration, requiring mechanical adaptation for free-hanging inline applications. Current rating is specified at 1A, which is lower than the original 1.25A specification. Operating temperature range matches the original at -55°C to 105°C. Flange features vary between unthreaded and 4-40 threaded configurations. All 3M parts are active products with ROHS3 compliance.

Tier 4 Functional Alternatives (HARTING):

The HARTING 09661286700 and 09661287700 connectors provide D-Sub 9-position configuration with panel mount mounting type. Both parts feature 2A current rating, exceeding the original specification. These parts are active products with ROHS3 compliance and REACH unaffected designation. Contact finish specifications are not provided. Panel mount configuration requires mechanical adaptation for inline applications.

Compliance Considerations:

The original 747043-4 is RoHS non-compliant. All substitute parts listed are RoHS compliant or ROHS3 compliant, supporting regulatory requirements for new designs and system updates. REACH status varies across substitutes; the TE Connectivity 1658608-4 is REACH affected, while HARTING parts are REACH unaffected.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 1658608-4 be used as a direct replacement for the 747043-4?

A: Yes. The 1658608-4 maintains identical connector type, position count, row configuration, shell size, mounting type, termination method, and operating temperature range. Both parts are 9-position D-Sub plugs with male pins, free-hanging inline mounting, and IDC ribbon cable termination. Current rating is identical at 1.25A. The primary difference is product status (active vs. obsolete) and RoHS compliance (compliant vs. non-compliant).

Q: What is the difference between free-hanging inline and panel mount mounting types?

A: Free-hanging inline connectors are designed for cable-to-cable connections without mechanical fastening to a panel or enclosure. Panel mount connectors feature flanges or mounting hardware for attachment to a panel or chassis. The 747043-4 and 1658608-4 are free-hanging inline. The 3M 8200 series and HARTING parts are panel mount and require mechanical adaptation for inline applications.

Q: Are the Amphenol ICC G17K series connectors compatible with the original 747043-4?

A: The G17K09101001EU and G17K09103101EU share identical D-Sub 9-position configuration, 2-row layout, and IDC ribbon cable termination. Both are free-hanging inline mounting, matching the original mounting type. However, operating temperature and current rating specifications are not provided for these parts. The housing/shell flange is unthreaded, whereas the original features a 4-40 threaded flange. Electrical compatibility is established through matching connector geometry and termination method.

Q: Why do the 3M 8200 series parts have a lower current rating than the original?

A: The 3M 8209 series is rated at 1A, compared to the original 1.25A specification. This difference reflects design variations in contact material and geometry between manufacturers. The 3M parts use copper alloy contacts versus phosphor bronze in the original. For applications requiring the full 1.25A current capacity, the TE Connectivity 1658608-4 or HARTING parts (2A rating) are more appropriate selections.

Q: What does RoHS compliance mean for connector selection?

A: RoHS (Restriction of Hazardous Substances) compliance indicates the part does not contain restricted materials including lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers. The original 747043-4 is RoHS non-compliant. All substitute parts listed are RoHS compliant or ROHS3 compliant, meeting current regulatory requirements for electronic equipment in most markets.

Q: Can I use a panel mount connector in place of a free-hanging inline connector?

A: Panel mount and free-hanging inline connectors have different mechanical interfaces. Panel mount connectors require fastening to a panel or enclosure, while free-hanging inline connectors are designed for direct cable-to-cable connection. Substituting a panel mount connector for an inline application requires mechanical adaptation, such as custom mounting hardware or enclosure modification. Direct substitution without mechanical modification is not possible.

Q: What is the significance of the shell flange feature (4-40 vs. unthreaded)?

A: The shell flange feature determines the mechanical mounting interface. A 4-40 threaded flange allows fastening with standard 4-40 screws, providing secure mechanical retention. An unthreaded flange does not support threaded fastening and relies on other retention methods. The original 747043-4 features a 4-40 threaded flange. The TE Connectivity 1658608-4 maintains this feature, while Amphenol ICC and some 3M variants use unthreaded flanges.

Q: Are contact material differences between phosphor bronze and brass significant?

A: Contact material affects electrical conductivity, corrosion resistance, and mechanical durability. Phosphor bronze (original 747043-4) and brass (Amphenol ICC G17K series) are both established connector contact materials with proven performance in D-Sub applications. Copper alloy (3M and HARTING parts) is a broader category encompassing multiple alloy compositions. All materials are suitable for signal-level applications with the specified current ratings. Material selection should align with application requirements for corrosion resistance and contact force retention.

Q: What does Moisture Sensitivity Level (MSL) 1 mean?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. All parts listed, including the original 747043-4, carry MSL 1 designation, eliminating moisture-related procurement or storage constraints.

Q: Is the TE Connectivity 1658608-4 available in the same packaging as the original 747043-4?

A: The original 747043-4 packaging is not specified in the provided data. The 1658608-4 is available in bulk packaging. Packaging format may affect procurement quantities and logistics. Verify packaging requirements with your supplier or procurement department.

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