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TE Connectivity 1-745968-5 D-Sub Connector Equivalent & Substitute Parts
Part Overview
The TE Connectivity 1-745968-5 is a 25-position D-Sub plug connector with male pins, designed for through-hole solder termination applications. This connector is part of the AMPLIMITE HD-20 series and features a vertical mounting orientation with a mating-side female screwlock flange. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing system support and new designs requiring compatible D-Sub connector solutions.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 | Through Hole |
| Termination | Solder |
| Current Rating | 6A |
| Voltage Rating | 125V |
| Operating Temperature Range | -55°C ~ 105°C |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold (Flash) |
| Flange Feature | Mating Side, Female Screwlock (4-40) |
Substitute Part Grouping Explanation
Substitution of the TE Connectivity 1-745968-5 is determined by strict equivalence across the following critical parameters: connector style (D-Sub), connector type (plug with male pins), position count (25), row configuration (2), shell size (3/DB/B), mounting method (through hole), and termination type (solder). All substitute parts must maintain identical electrical ratings (6A current, 125V voltage) and operating temperature range (-55°C to 105°C). The flange configuration (mating-side female screwlock 4-40) and contact finish specifications (gold flash) are essential for mechanical and electrical compatibility.
The substitute parts are grouped into two categories: direct manufacturer equivalents from TE Connectivity and functionally equivalent alternatives from Mercury United Electronics, Inc. Direct equivalents share identical specifications with the main part. Mercury alternatives provide functional equivalence within the D-Sub connector category while maintaining core electrical and mechanical parameters.
Parameter Comparison
| Parameter | 1-745968-5 (Main) | 1-5745968-5 (TE Direct) | 627-025-220-042 (Mercury) | 627-025-220-043 (Mercury) | 627-025-220-046 (Mercury) | 627-025-220-048 (Mercury) | 627-025-320-041 (Mercury) | 627-025-320-042 (Mercury) | 627-025-320-043 (Mercury) | 627-025-320-046 (Mercury) | 627-025-320-048 (Mercury) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics | Mercury United Electronics |
| Connector Style | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub | D-Sub |
| 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 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Shell Size, Connector Layout | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) | 3 (DB, B) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Current Rating (Amps) | 6A | 6A | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Voltage Rating | 125V | 125V | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Operating Temperature Range | -55°C ~ 105°C | -55°C ~ 105°C | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Contact Finish | Gold (Flash) | Gold (Flash) | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Product Status | Obsolete | Active | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| RoHS Status | RoHS Non-Compliant | ROHS3 Compliant | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
Engineering Selection Recommendations
Direct Manufacturer Equivalent: TE Connectivity 1-5745968-5
The TE Connectivity 1-5745968-5 is the primary recommended substitute for the obsolete 1-745968-5. This part maintains complete electrical and mechanical equivalence across all specified parameters. The 1-5745968-5 is classified as active product status, ensuring ongoing availability and supply chain continuity. The part achieves ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. Packaging is provided in tube format. This direct equivalent is suitable for all applications previously served by the 1-745968-5 without design modification.
Mercury United Electronics D-Sub Alternatives: 627 Series
The Mercury United Electronics 627 series D-Sub connectors (627-025-220-042, 627-025-220-043, 627-025-220-046, 627-025-220-048, 627-025-320-041, 627-025-320-042, 627-025-320-043, 627-025-320-046, 627-025-320-048) provide functional equivalence within the D-Sub connector category. These parts share identical connector style, type, position count, row configuration, shell size, mounting method, and termination specifications. Mercury alternatives are available in high inventory quantities, ranging from 703 to 1050 pieces. Selection among Mercury alternatives should be based on specific application requirements and mechanical interface considerations not detailed in the provided parameters.
Frequently Asked Questions (FAQ)
Q: Can the TE Connectivity 1-5745968-5 be used as a direct replacement for the 1-745968-5?
A: Yes. The 1-5745968-5 is a direct equivalent with identical electrical and mechanical specifications. The primary difference is product status (active versus obsolete) and regulatory compliance (ROHS3 compliant versus non-compliant). No design modifications are required.
Q: What are the key differences between the TE Connectivity direct equivalent and Mercury alternatives?
A: The TE Connectivity 1-5745968-5 provides complete specification equivalence with documented electrical ratings (6A, 125V) and operating temperature range (-55°C to 105°C). Mercury 627 series alternatives maintain identical connector geometry and termination specifications but do not provide detailed electrical rating documentation in the available data. Both groups are functionally compatible for D-Sub 25-position plug applications.
Q: Are the Mercury 627 series connectors suitable for all applications using the 1-745968-5?
A: Mercury 627 series connectors are mechanically and electrically compatible for D-Sub 25-position plug solder termination applications. However, applications with specific electrical rating requirements (current or voltage limits) should prioritize the TE Connectivity 1-5745968-5, which provides complete specification documentation.
Q: What is the significance of the packaging difference between the main part and the TE direct equivalent?
A: The main part 1-745968-5 has unspecified packaging, while the 1-5745968-5 is supplied in tube packaging. Tube packaging is standard for connector distribution and does not affect electrical or mechanical performance. Packaging selection should be based on assembly process requirements and inventory management practices.
Q: How do the RoHS compliance statuses affect part selection?
A: The original 1-745968-5 is RoHS non-compliant, while the 1-5745968-5 achieves ROHS3 compliance. For applications subject to RoHS regulations or customer requirements, the 1-5745968-5 is the appropriate selection. For legacy systems without RoHS requirements, both parts are functionally equivalent.
Q: Are there any restrictions on mixing TE Connectivity and Mercury connectors in the same assembly?
A: Both TE Connectivity and Mercury connectors meet the specified D-Sub 25-position plug requirements and are mechanically compatible. Mixing manufacturers within a single assembly is permissible from a connector compatibility standpoint. System-level considerations such as supplier qualification, quality assurance protocols, and supply chain management should guide procurement decisions.
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