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TE Connectivity 747547-2 D-Sub Plug 25 Position IDC Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity 747547-2 is a 25 position D-Sub plug connector with male pins, designed for IDC (Insulation Displacement Contact) and discrete wire termination. This connector belongs to the AMPLIMITE HDE-20 series and features a shielded, free-hanging in-line mounting configuration with a steel tin-plated shell and gold-plated contacts.
The 747547-2 carries an obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or field replacement requirements for systems utilizing this connector specification.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Plug, Male Pins |
| Number of Positions | 25 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 3 (DB, B) |
| Mounting Type | Free Hanging (In-Line) |
| Termination Type | IDC, Discrete Wire |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold |
| Wire Gauge | 22-26 AWG |
| Voltage Rating | 250V |
| Operating Temperature Range | -55°C ~ 105°C |
| Dielectric Material | Thermoplastic |
| Features | Backshell, Grounding Indents, Shielded |
| Flange Feature | Housing/Shell (Unthreaded) |
| Material Flammability Rating | UL94 V-0 |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the 747547-2 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications for connector style, pin count, shell size, mounting configuration, termination method, contact materials, voltage rating, temperature range, and protective features.
The TE Connectivity 747547-9 qualifies as a direct substitute based on the following key parameters:
| Critical Substitution Parameter | Equivalence Status |
|---|---|
| Connector Style (D-Sub) | Identical |
| Connector Type (Plug, Male Pins) | Identical |
| Position Count (25) | Identical |
| Row Configuration (2) | Identical |
| Shell Size Layout (3 DB, B) | Identical |
| Mounting Type (Free Hanging In-Line) | Identical |
| Termination (IDC, Discrete Wire) | Identical |
| Shell Material & Finish (Steel, Tin Plated) | Identical |
| Contact Material (Phosphor Bronze) | Identical |
| Contact Finish (Gold) | Identical |
| Wire Gauge Support (22-26 AWG) | Identical |
| Voltage Rating (250V) | Identical |
| Operating Temperature (-55°C ~ 105°C) | Identical |
| Dielectric Material (Thermoplastic) | Identical |
| Features (Backshell, Grounding Indents, Shielded) | Identical |
| Flange Feature (Unthreaded Housing/Shell) | Identical |
| Flammability Rating (UL94 V-0) | Identical |
| Moisture Sensitivity Level (1) | Identical |
Parameter Comparison
| Parameter | 747547-2 (Main Part) | 747547-9 (Substitute) |
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Series | AMPLIMITE HDE-20 | AMPLIMITE HDE-20 |
| Connector Style | D-Sub | D-Sub |
| Connector Type | Plug, Male Pins | Plug, Male Pins |
| Number of Positions | 25 | 25 |
| Number of Rows | 2 | 2 |
| Shell Size, Connector Layout | 3 (DB, B) | 3 (DB, B) |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Termination | IDC, Discrete Wire | IDC, Discrete Wire |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated |
| Contact Material | Phosphor Bronze | Phosphor Bronze |
| Contact Finish | Gold | Gold |
| Wire Gauge | 22-26 AWG | 22-26 AWG |
| Voltage Rating | 250V | 250V |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C |
| Dielectric Material | Thermoplastic | Thermoplastic |
| Features | Backshell, Grounding Indents, Shielded | Backshell, Grounding Indents, Shielded |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| REACH Status | Vendor Undefined | REACH Unaffected |
| Packaging | Not specified | Bulk |
Engineering Selection Recommendations
The TE Connectivity 747547-9 is the direct functional equivalent to the obsolete 747547-2. Both connectors share identical electrical and mechanical specifications across all critical parameters, including connector geometry, pin configuration, termination capability, contact materials, voltage and temperature ratings, and protective features.
The primary distinction between these parts is product lifecycle status and regulatory compliance. The 747547-2 is obsolete and carries RoHS non-compliant status with vendor-undefined REACH compliance. The 747547-9 is an active product with ROHS3 compliance and REACH unaffected status, making it suitable for new designs and applications subject to modern regulatory requirements.
For applications requiring the 747547-2 specification, the 747547-9 provides full electrical and mechanical interchangeability. Selection of the 747547-9 is appropriate for both replacement of existing 747547-2 installations and for new production requiring this connector type, particularly where regulatory compliance documentation is required.
Frequently Asked Questions (FAQ)
Q: Can the 747547-9 directly replace the 747547-2 in existing applications?
A: Yes. The 747547-9 is electrically and mechanically equivalent to the 747547-2 across all specified parameters. Both connectors support identical pin counts, termination methods, voltage ratings, temperature ranges, and physical configurations. Direct substitution is supported.
Q: What is the primary reason to transition from 747547-2 to 747547-9?
A: The 747547-2 is obsolete. The 747547-9 is an active product from the same manufacturer and series, ensuring ongoing availability and supply chain continuity. Additionally, the 747547-9 carries ROHS3 compliance and defined REACH status, whereas the 747547-2 does not.
Q: Are there any electrical performance differences between these connectors?
A: No. Both connectors maintain identical voltage ratings (250V), operating temperature ranges (-55°C ~ 105°C), contact materials (phosphor bronze with gold finish), and wire gauge support (22-26 AWG). Electrical performance is equivalent.
Q: Do these connectors support the same termination methods?
A: Yes. Both the 747547-2 and 747547-9 support IDC (Insulation Displacement Contact) and discrete wire termination, enabling identical assembly and field installation procedures.
Q: What is the difference in packaging between these parts?
A: The 747547-2 packaging is not specified in available documentation. The 747547-9 is supplied in bulk packaging. Packaging differences do not affect connector functionality or interchangeability.
Q: Are there any compliance or certification differences?
A: Yes. The 747547-9 is ROHS3 compliant with REACH unaffected status. The 747547-2 is RoHS non-compliant with vendor-undefined REACH status. For applications subject to regulatory compliance requirements, the 747547-9 is the appropriate selection.
Q: Can both connectors be used in the same circuit design?
A: Yes. The connectors are functionally equivalent and can be used interchangeably in circuit designs. The choice between them should be based on product availability, regulatory requirements, and supply chain considerations.
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