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TE Connectivity AMP Connectors 745783-5 D-Sub Receptacle Equivalent & Substitute Parts
Part Overview
The TE Connectivity AMP Connectors 745783-5 is a 25 Position D-Sub Receptacle connector with female sockets, right-angle through-hole mounting, and solder termination. This connector is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement. The AMPLIMITE HD-20 series connector features a 3 (DB, B) shell size with mating side female screwlock (4-40) flange, tin-plated steel shell, and gold-flashed phosphor bronze contacts rated for 6A at 125V across an operating temperature range of -55°C to 105°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Style | D-Sub |
| Connector Type | Receptacle, Female Sockets |
| Number of Positions | 25 |
| Number of Rows | 2 |
| Shell Size, Connector Layout | 3 (DB, B) |
| Mounting Type | Through Hole, Right Angle |
| Termination | Solder |
| Shell Material, Finish | Steel, Tin Plated |
| Contact Finish | Gold, Flash |
| Current Rating (Amps) | 6A |
| Voltage Rating | 125V |
| Backset Spacing | 0.318" (8.08mm) |
| Operating Temperature | -55°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| Contact Material | Phosphor Bronze |
| Flange Feature | Mating Side, Female Screwlock (4-40) |
Substitute Part Grouping Explanation
Substitution of the 745783-5 connector is determined by strict equivalence across the following critical parameters: connector style (D-Sub), connector type (receptacle with female sockets), number of positions (25), number of rows (2), shell size (3 DB/B), mounting type (through-hole right-angle), termination method (solder), and flange configuration. Secondary parameters including shell material finish, contact finish, current rating, voltage rating, backset spacing, operating temperature range, and material flammability rating further define substitution compatibility.
Substitute parts are grouped into two categories:
Direct Substitutes: Parts that maintain identical or functionally equivalent specifications across all critical parameters, including shell material finish, contact material, current rating, voltage rating, and operating temperature range. These parts are interchangeable without design modification.
Similar Substitutes: Parts that satisfy the core connector requirements (style, type, positions, rows, shell size, mounting, termination) but may differ in secondary specifications such as shell material finish, contact material composition, current rating per contact, operating temperature limits, flange feature configuration, or dielectric material. These parts require engineering evaluation for specific application compatibility.
Parameter Comparison
| Parameter | 745783-5 (Main) | 5745783-5 | 622-025-260-013 | 174-025-212R141 | 182-025-213R531 | 622-025-260-043 | D25S33E4GV00LF | D25S33E6GL00LF |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | TE Connectivity | TE Connectivity | Mercury United Electronics | NorComp Inc. | NorComp Inc. | Mercury United Electronics | Amphenol ICC (FCI) | Amphenol ICC (FCI) |
| Connector Type | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets | Receptacle, Female Sockets |
| Number of Positions | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Shell Size | 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, Right Angle | Through Hole, Right Angle | Board Edge, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Panel Mount, Through Hole, Right Angle | Board Edge, Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Shell Material, Finish | Steel, Tin Plated | Steel, Tin Plated | Steel, Nickel Plated | Steel, Tin Plated | Steel, Nickel Plated | Steel, Nickel Plated | Steel, Tin Plated | Steel, Tin-Nickel Plated |
| Contact Finish | Gold, Flash | Gold, Flash | Gold, Flash | Gold, Flash | Gold, Flash | Gold, Flash | Gold, Flash | Gold, 30.0µin (0.76µm) |
| Current Rating (Amps) | 6A | 6A | 3A per Contact | 5A | 5A | 3A per Contact | 5A per Contact | 5A per Contact |
| Voltage Rating | 125V | 125V | Not Specified | Not Specified | Not Specified | Not Specified | 300V | 300V |
| Backset Spacing | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.370" (9.40mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) | 0.318" (8.08mm) |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 85°C | -50°C ~ 100°C | -55°C ~ 105°C | -55°C ~ 85°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Copper Alloy | Brass | Not Specified | Copper Alloy | Phosphor Bronze | Phosphor Bronze |
| Flange Feature | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (4-40) | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (4-40) | Housing/Shell (M3) |
| Product Status | Obsolete | Active | Active | Obsolete | Active | Active | Active | Active |
| RoHS Status | RoHS non-compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant |
Engineering Selection Recommendations
Primary Recommendation: TE Connectivity 5745783-5
The 5745783-5 is the direct successor to the obsolete 745783-5. This part maintains identical electrical and mechanical specifications across all critical parameters: 25-position D-Sub receptacle with female sockets, right-angle through-hole mounting, solder termination, 0.318" backset spacing, 6A current rating at 125V, phosphor bronze contacts with gold flash finish, and operating temperature range of -55°C to 105°C. The 5745783-5 is currently active in production and carries RoHS Compliant status with REACH Unaffected designation, providing superior compliance posture compared to the obsolete non-compliant original part. Inventory availability is substantial at 1704 pieces.
Secondary Recommendations: Amphenol ICC (FCI) Delta D Series
The D25S33E4GV00LF and D25S33E6GL00LF connectors from Amphenol ICC (FCI) provide active production alternatives with enhanced specifications. Both parts maintain the core 25-position D-Sub receptacle configuration with right-angle through-hole mounting and solder termination at 0.318" backset spacing. These connectors feature phosphor bronze contacts with gold finish, board lock and mounting bracket features, and extended operating temperature range to 125°C. The D25S33E4GV00LF is rated for 5A per contact at 300V, while the D25S33E6GL00LF provides 5A per contact at 300V with enhanced gold contact finish thickness (30.0µin). Both parts carry RoHS Compliant status and REACH Unaffected designation. Current inventory levels are 3766 and 689 pieces respectively.
Tertiary Recommendations: NorComp 182-025-213R531
The NorComp 182-025-213R531 connector provides an active production alternative with 25-position D-Sub receptacle configuration, right-angle panel mount and through-hole mounting capability, solder termination, and 0.318" backset spacing. This part is rated for 5A and operates across -55°C to 105°C, matching the original part's temperature range. The connector features board lock functionality and carries ROHS3 Compliant and REACH Unaffected certifications. Inventory availability is high at 6654 pieces. The flange configuration differs (housing/shell 4-40 versus mating side female screwlock), requiring mechanical design verification.
Mercury United Electronics 622-025-260-013 and 622-025-260-043
The Mercury United Electronics 622 series connectors (622-025-260-013 and 622-025-260-043) provide active production alternatives with 25-position D-Sub receptacle configuration, board edge and through-hole right-angle mounting, solder termination, and 0.318" backset spacing. Both parts feature nickel-plated steel shells, gold flash contact finish, and copper alloy contacts. Current ratings are specified as 3A per contact, which is lower than the original 6A specification. Operating temperature range is -55°C to 85°C, which is narrower than the original -55°C to 105°C range. Both parts carry ROHS3 Compliant and REACH Unaffected certifications. The 622-025-260-043 includes board lock and shielding features. These parts are suitable for applications with reduced current and temperature requirements.
Not Recommended: NorComp 174-025-212R141
The NorComp 174-025-212R141 connector is classified as obsolete and therefore does not provide a viable long-term solution. Although it maintains the 25-position D-Sub receptacle configuration with right-angle mounting and solder termination, the backset spacing differs at 0.370" (9.40mm) versus the required 0.318" (8.08mm), creating mechanical incompatibility. The connector is rated for 5A with operating temperature range of -50°C to 100°C. This part should not be selected as a replacement for the 745783-5.
Frequently Asked Questions (FAQ)
Q: Can the 5745783-5 be used as a direct replacement for the 745783-5?
A: Yes. The 5745783-5 is the direct successor to the 745783-5 and maintains identical specifications across all critical electrical and mechanical parameters. The primary difference is product status: the 5745783-5 is active in production and RoHS Compliant, whereas the 745783-5 is obsolete and RoHS non-compliant. No design modifications are required for substitution.
Q: What is the significance of the backset spacing parameter in connector substitution?
A: Backset spacing defines the distance from the connector mounting surface to the rear of the connector body. The 745783-5 specifies 0.318" (8.08mm) backset spacing. Substitute connectors must maintain this dimension to ensure proper fit within existing mechanical assemblies and PCB layouts. The NorComp 174-025-212R141, which specifies 0.370" (9.40mm) backset spacing, is mechanically incompatible and cannot be substituted without design modification.
Q: How do current rating differences affect connector selection?
A: The 745783-5 is rated for 6A total connector current. Substitute parts with lower current ratings, such as the Mercury United Electronics 622 series at 3A per contact, may not support the same power delivery capacity. Applications requiring the full 6A rating must select substitutes with equivalent or higher current ratings, such as the 5745783-5 (6A), D25S33E4GV00LF (5A per contact), or D25S33E6GL00LF (5A per contact). Current rating verification against application requirements is essential.
Q: What is the difference between "mating side female screwlock" and "housing/shell" flange configurations?
A: The flange feature defines the mounting interface for connector retention. "Mating side female screwlock (4-40)" indicates that the connector is secured to the mating connector using 4-40 screws on the mating side. "Housing/shell (4-40)" or "Housing/shell (M3)" indicates that the connector is secured to the housing or shell structure using 4-40 or M3 screws respectively. These configurations are mechanically distinct and may require different mounting hardware and panel cutout designs. Mechanical compatibility must be verified during substitution.
Q: Are the Amphenol ICC (FCI) Delta D series connectors compatible with the 745783-5?
A: The Amphenol ICC (FCI) Delta D series connectors (D25S33E4GV00LF and D25S33E6GL00LF) are mechanically and electrically compatible with the 745783-5 for applications that can accommodate the following differences: (1) current rating of 5A per contact versus 6A total, (2) voltage rating of 300V versus 125V, and (3) extended operating temperature range to 125°C versus 105°C. These parts maintain the same 25-position D-Sub receptacle configuration, right-angle through-hole mounting, solder termination, and 0.318" backset spacing. The higher voltage rating and extended temperature range provide enhanced performance margins for demanding applications.
Q: What does RoHS Compliant status mean for connector selection?
A: RoHS (Restriction of Hazardous Substances) Compliant status indicates that the connector meets regulatory requirements restricting the use of hazardous materials such as lead, cadmium, and mercury. The obsolete 745783-5 is RoHS non-compliant, while active substitutes such as the 5745783-5, D25S33E4GV00LF, D25S33E6GL00LF, 182-025-213R531, and 622 series connectors are RoHS Compliant or ROHS3 Compliant. For new designs and procurement in regulated markets, RoHS Compliant parts are required. For legacy system maintenance, non-compliant parts may be acceptable if regulatory exemptions apply.
Q: How does operating temperature range affect connector substitution?
A: The 745783-5 operates across -55°C to 105°C. Substitute connectors must support the full operating temperature range of the application. The 5745783-5 and 182-025-213R531 maintain the same -55°C to 105°C range. The Amphenol ICC (FCI) Delta D series extends to -55°C to 125°C, providing additional margin. The Mercury United Electronics 622 series is limited to -55°C to 85°C, which is insufficient for applications requiring operation above 85°C. Temperature range verification against application requirements is essential.
Q: What is the difference between "flash" and "30.0µin (0.76µm)" gold contact finish specifications?
A: Both specifications describe gold plating on connector contacts. "Flash" indicates a very thin gold coating applied for corrosion protection and contact reliability, typically less than 10 microinches. "30.0µin (0.76µm)" specifies a thicker gold plating of 30 microinches (0.76 micrometers), providing enhanced durability and wear resistance for high-cycle mating applications. The D25S33E6GL00LF with 30.0µin gold finish offers superior contact longevity compared to flash-plated alternatives, particularly in applications with frequent connector mating cycles.
Q: Can the NorComp 182-025-213R531 be used as a substitute despite the different flange configuration?
A: The NorComp 182-025-213R531 features a housing/shell (4-40) flange configuration, whereas the 745783-5 specifies mating side female screwlock (4-40). These configurations require different mounting hardware and panel cutout designs. Mechanical compatibility must be verified against the specific application's mounting structure. If the application can accommodate the housing/shell mounting interface, the 182-025-213R531 is electrically and mechanically compatible. If the application requires mating side female screwlock configuration, the 5745783-5 or Amphenol ICC (FCI) D25S33E4GV00LF are required.
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