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TE Connectivity 5-747904-4 D-Sub 9-Position Plug Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity AMP Connectors 5-747904-4 is a 9-position D-Sub plug connector with male pins, solder cup termination, and unthreaded housing. This connector is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design and procurement requirements. The AMPLIMITE HD-20 series connector operates at 250V with a 3A current rating and maintains operational performance across the temperature range of -55°C to 105°C. Equivalent and substitute parts are available from both TE Connectivity and Amphenol ICC manufacturers, with several options offering active product status and enhanced compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 | Solder Cup |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold |
| Voltage Rating | 250V |
| Current Rating | 3A |
| Operating Temperature | -55°C to 105°C |
| Material Flammability Rating | UL94 V-0 |
| Contact Material | Brass |
| Color | Black |
Substitute Part Grouping Explanation
Substitution of the TE Connectivity 5-747904-4 is determined by strict equivalence across the following critical parameters: connector style (D-Sub), connector type (plug with male pins), number of positions (9), number of rows (2), shell size and layout (1/DE/E), mounting type (free hanging in-line), termination method (solder cup), shell material and finish (steel, tin plated), contact finish (gold), voltage rating (250V), current rating (3A), operating temperature range (-55°C to 105°C), material flammability rating (UL94 V-0), and contact material (brass).
Substitute parts are grouped into two primary categories based on flange feature configuration:
Category 1: Unthreaded Housing/Shell Flange Parts with unthreaded housing flange configuration directly match the original part's mechanical interface. This category includes TE Connectivity 5-747904-2 and Amphenol ICC L777SDE09P.
Category 2: Threaded Flange Variants Parts with mating-side or cable-side threaded flanges (4-40 or M3 specifications) provide mechanical locking features not present in the original design. These include Amphenol ICC L717SDE09PC309, L717SDE09PVFC309, L717SDE09PVFMC309, L717SDEG09P, L717SDEG09PC309, L717SDEH09P, L717SDEH09PC309, and L717SDEH09PVF.
All substitute parts maintain electrical equivalence through identical voltage, current, and temperature specifications. Variations in contact finish thickness, contact form (stamped vs. formed), and dielectric material composition do not alter functional substitutability within the specified electrical and mechanical parameters.
Parameter Comparison
| Parameter | 5-747904-4 (Main) | 5-747904-2 | L717SDE09PC309 | L717SDE09PVFC309 | L717SDE09PVFMC309 | L717SDEG09P | L717SDEG09PC309 | L717SDEH09P | L717SDEH09PC309 | L717SDEH09PVF | L777SDE09P |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC | Amphenol ICC |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| 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 |
| Shell Size, Connector 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) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Termination | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup | Solder Cup |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated |
| Contact Finish | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Gold | Gold |
| Voltage Rating | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V |
| Current Rating | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 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 |
| Contact Material | Brass | Brass | Brass | Brass | Brass | Brass | Brass | Brass | Brass | Brass | Brass |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (M3) | Cable Side (M3) | Cable Side (M3) | Cable Side (4-40) | Cable Side (4-40) | Cable Side (4-40); Mating Side, Female Screwlock (4-40) | Housing/Shell (Unthreaded) |
| RoHS Status | Not applicable | ROHS3 Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS non-compliant | RoHS Compliant |
Engineering Selection Recommendations
Primary Recommendation for Direct Replacement
TE Connectivity 5-747904-2 is the primary equivalent for the obsolete 5-747904-4. Both parts share identical electrical specifications, mechanical configuration, and flange design (unthreaded housing). The 5-747904-2 is active in production with ROHS3 compliance certification and represents the direct successor within the TE Connectivity product line. This part is suitable for applications requiring no design modification.
Alternative Recommendation for Active Sourcing
Amphenol ICC L777SDE09P provides functional equivalence with active product status and RoHS compliance. This part maintains the unthreaded housing flange configuration and all electrical parameters of the original design. The L777SDE09P is suitable for applications where cross-manufacturer sourcing is acceptable.
Threaded Flange Variants for Enhanced Mechanical Retention
Amphenol ICC parts L717SDE09PC309, L717SDE09PVFC309, L717SDE09PVFMC309, L717SDEG09P, L717SDEG09PC309, L717SDEH09P, L717SDEH09PC309, and L717SDEH09PVF provide electrical equivalence with additional mechanical locking features through threaded flanges. These variants are suitable for applications requiring enhanced connector retention. Selection among these variants depends on specific flange thread specification requirements (4-40 or M3) and flange location (cable-side, mating-side, or both).
Compliance Considerations
All recommended substitute parts except L717SDEH09PVF carry RoHS compliance certification. Applications subject to RoHS regulatory requirements should exclude L717SDEH09PVF from consideration. The original 5-747904-4 carries "Not applicable" RoHS status due to its obsolete classification.
Frequently Asked Questions (FAQ)
Q: Can the TE Connectivity 5-747904-2 be used as a direct replacement for the 5-747904-4?
A: Yes. The 5-747904-2 is electrically and mechanically equivalent to the 5-747904-4. Both parts feature identical connector type, position count, shell size, termination method, voltage and current ratings, and operating temperature range. The primary difference is product status: 5-747904-2 is active in production while 5-747904-4 is obsolete. The 5-747904-2 is suitable for direct substitution without design modification.
Q: What is the difference between unthreaded and threaded flange variants?
A: The original 5-747904-4 and its direct equivalent 5-747904-2 feature unthreaded housing/shell flanges. Threaded flange variants from Amphenol ICC (L717 and L777 series) incorporate mechanical locking features through 4-40 or M3 threaded connections on either the cable side, mating side, or both. Threaded variants provide enhanced connector retention but require compatible mating hardware. Selection depends on application requirements for mechanical locking.
Q: Are Amphenol ICC parts compatible with TE Connectivity connector systems?
A: Amphenol ICC L717 and L777 series D-Sub 9-position plugs are electrically and mechanically equivalent to TE Connectivity parts within the specified parameters. All substitute parts maintain identical shell size (1/DE/E), pin configuration, voltage rating (250V), current rating (3A), and operating temperature range (-55°C to 105°C). Cross-manufacturer substitution is valid provided flange configuration requirements are met.
Q: What does "solder cup" termination mean?
A: Solder cup termination refers to the connection method where individual wires are inserted into cup-shaped contact receptacles and secured through solder joints. All parts in this equivalence group use solder cup termination, making them suitable for applications requiring soldered wire connections rather than crimp or other termination methods.
Q: Are there RoHS compliance differences among the substitute parts?
A: Yes. Most substitute parts carry RoHS compliance certification (5-747904-2, L717SDE09PC309, L717SDE09PVFC309, L717SDE09PVFMC309, L717SDEG09P, L717SDEG09PC309, L717SDEH09P, L717SDEH09PC309, and L777SDE09P). The exception is L717SDEH09PVF, which is RoHS non-compliant. Applications subject to RoHS regulatory requirements must exclude L717SDEH09PVF from consideration.
Q: What is the significance of contact finish thickness variations?
A: Contact finish thickness is specified in microinches (µin) or micrometers (µm). The original 5-747904-4 specifies 8.00µin (0.203µm) gold finish thickness. Amphenol ICC parts specify either 30.0µin (0.76µm) or flash thickness. These variations do not affect functional substitutability within the specified electrical and mechanical parameters. Contact finish thickness relates to durability and wear characteristics in specific application environments.
Q: Can I use a part with a different flange configuration in my existing design?
A: Flange configuration changes require mechanical design evaluation. The original 5-747904-4 uses an unthreaded housing flange. Substitution with threaded flange variants (4-40 or M3) requires compatible mating hardware and may require design modification to the connector mounting interface. Direct substitution without design modification is limited to parts with identical flange configuration: 5-747904-2 and L777SDE09P.
Q: What is the difference between 4-40 and M3 threaded flanges?
A: 4-40 refers to a UNC (Unified National Coarse) thread specification with 0.112-inch diameter and 40 threads per inch. M3 refers to a metric thread specification with 3-millimeter diameter. These are incompatible thread standards. Selection between 4-40 and M3 variants depends on the mating hardware specification in the application design.
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