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L717DB25POL2 D-Sub Plug 25 Position Connector – Equivalent & Substitute Parts
Part Overview
The L717DB25POL2 is a 25 Position D-Sub Plug connector manufactured by Amphenol ICC, designed for through-hole soldered applications in industrial and commercial equipment. This connector features male pins, vertical orientation, and a 25-position D-shaped shell configuration. The part maintains Active product status with robust electrical and mechanical characteristics suitable for signal transmission applications requiring voltage ratings up to 300V and current capacity of 7.5A. Equivalent and substitute parts are identified to provide component procurement flexibility while maintaining electrical and mechanical compatibility within defined parameter ranges.
Substiute Parts
Key Parameters
| Parameter | L717DB25POL2 Specification |
|---|---|
| Manufacturer | Amphenol ICC (Commercial Products) |
| Connector Type | Plug, Male Pins |
| Number of Positions | 25 |
| Shell Size / Layout | 3 (DB, B) |
| Mounting Type | Through Hole |
| Termination Method | Solder |
| Current Rating | 7.5A |
| Voltage Rating | 300V |
| Operating Temperature Range | -55°C to 125°C |
| Shell Material / Finish | Steel, Tin Plated |
| Contact Material | Brass |
| Contact Finish | Gold (8.00µin / 0.203µm) |
| Flange Feature | Housing/Shell (Unthreaded) |
| Material Flammability | UL94 V-0 |
| Dielectric Material | Thermoplastic, Glass Filled |
| RoHS Compliance | RoHS Compliant |
| Moisture Sensitivity (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution compatibility for the L717DB25POL2 is determined by the following critical parameters that must match or be compatible with the reference part:
Primary Matching Criteria:
- Connector Type: Plug with Male Pins (25 Position)
- Shell Size and Layout: 3 (DB, B) configuration
- Mounting Type: Through Hole
- Termination: Solder
- Number of Positions and Rows: 25 positions in 2 rows
- Connector Style: D-Sub
Secondary Compatibility Parameters:
- Current Rating: Equal to or greater than 7.5A
- Voltage Rating: Equal to or greater than 300V (or compatible with 300V design intent)
- Operating Temperature Range: Must encompass or be compatible with -55°C to 125°C
- Material Flammability: UL94 V-0 or equivalent
- Contact Material and Finish: Gold or equivalent noble metal finishes preferred for signal integrity
Acceptable Variations (Within Specification):
- Shell Material Finish: Steel with Tin, Nickel, or equivalent protective plating
- Flange Feature: Housing/Shell (Unthreaded) or Mating Side Female Screwlock variants compatible with through-hole PCB mounting
- Dielectric Material: Thermoplastic (glass-filled), Polyester, Polybutylene Terephthalate (PBT), or Polycyclohexylenedimethylene Terephthalate (PCT)
- Contact Form: Machined or Stamped construction acceptable
- RoHS and MSL Status: ROHS3 Compliant / RoHS Compliant and MSL 1 are interchangeable
Substitute parts from HARTING, TE Connectivity AMP Connectors, and NorComp Inc. meet these criteria with documented cross-compatibility.
Parameter Comparison
| Parameter | L717DB25POL2 (Amphenol ICC) | 09643227210 (HARTING) | 09643227235 (HARTING) | 09653216703 (HARTING) | 09653617713 (HARTING) | 1-5745968-3 (TE Connectivity) | 1-5745968-4 (TE Connectivity) | 1-5745968-5 (TE Connectivity) | 1-5745968-6 (TE Connectivity) | 172-025-112R001 (NorComp) | 172-E25-113R001 (NorComp) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Shell Size / 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 | Panel Mount, Through Hole | Panel Mount, Through Hole |
| Termination | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder | Solder |
| Current Rating (Amps) | 7.5A | 7.5A | 7.5A | 6.5A | 6.5A | 6A | 6A | 6A | 6A | 5A | 5A |
| Voltage Rating | 300V | 100V | 100V | — | — | 125V | 125V | 125V | 125V | — | — |
| Operating Temperature Range | -55°C to 125°C | -20°C to 125°C | -20°C to 125°C | -55°C to 125°C | -55°C to 125°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -50°C to 100°C | -50°C to 100°C |
| Shell Material / Finish | Steel, Tin Plated | Steel | Steel | Steel | Steel | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Tin Plated | Steel, Nickel Plated |
| Contact Material | Brass | Copper Alloy | Copper Alloy | Copper Alloy | Copper Alloy | Brass | Brass | Brass | Brass | Brass | Brass |
| Contact Finish | Gold (8.00µin) | — | — | — | — | Gold (Flash) | Gold (Flash) | Gold (Flash) | Gold (Flash) | Gold (Flash) | Gold (Flash) |
| Flange Feature | Housing/Shell (Unthreaded) | Housing/Shell (Unthreaded) | Board Side (4-40) | Mating Side, Female Screwlock (4-40) | Mating Side, Female Screwlock (4-40) | 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 (Unthreaded) | Housing/Shell (Unthreaded) |
| Material Flammability | 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 |
| Dielectric Material | Thermoplastic, Glass Filled | Polycyclohexylenedimethylene Terephthalate (PCT) | Polycyclohexylenedimethylene Terephthalate (PCT) | Polybutylene Terephthalate (PBT), Polyester, Glass Filled | Polybutylene Terephthalate (PBT), Polyester, Glass Filled | Polyester | Polyester | Polyester | Polyester | Polybutylene Terephthalate (PBT), Polyester | Polyamide (PA6T), Nylon 6T |
| RoHS Compliance | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete | Active |
Engineering Selection Recommendations
First-Choice Substitutes (Full Compatibility): Parts 09643227210 and 09643227235 from HARTING maintain full mechanical and electrical compatibility with the L717DB25POL2, with matching 25-position D-Sub configurations and solder termination. Both are Active status products with ROHS3 compliance. The primary differences are voltage rating (100V vs. 300V) and dielectric material composition, which are acceptable for applications not requiring the full 300V rating of the reference part.
Secondary Substitutes (Conditional Compatibility): TE Connectivity AMP Connectors parts 1-5745968-3, 1-5745968-4, 1-5745968-5, and 1-5745968-6 are from the AMPLIMITE HD-20 series and meet critical mechanical specifications. All are Active status products with brass contacts and gold contact finish. Current rating is 6A (versus 7.5A for the reference part) and voltage rating is 125V (versus 300V). Operating temperature range is limited to -55°C to 105°C, which may not cover the full 125°C upper specification of the L717DB25POL2. These parts are suitable for applications within their thermal and electrical limits.
Alternate Mounting Variants (Specialized Applications): HARTING parts 09653216703 and 09653617713 feature Mating Side Female Screwlock configurations with board-lock options, accommodating vibration-resistant applications. Copper alloy contacts and stamped contact forms differ from the reference part. These are suitable where mechanical locking is required.
NorComp Inc. parts 172-025-112R001 (Obsolete) and 172-E25-113R001 (Active) include panel mount capability in addition to through-hole mounting. Part 172-025-112R001 carries Obsolete product status and should not be specified for new designs. Part 172-E25-113R001 remains Active and is compatible for applications permitting panel mount variants.
Compliance and Certification Status: All substitute parts carry UL94 V-0 material flammability ratings and RoHS/ROHS3 compliance, meeting modern environmental and safety standards. MSL ratings are uniformly 1 (Unlimited), indicating storage stability equivalent to the reference part.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part with a lower current rating than the L717DB25POL2? A: Substitution to parts with lower current ratings (such as 6A or 5A rated substitutes) is permitted only when the actual circuit current demand does not exceed the substitute part's rating. Design review is required to confirm the circuit operates within the substitute's current specification.
Q: What is the significance of the voltage rating difference between the L717DB25POL2 (300V) and some substitutes (100V, 125V)? A: Voltage rating indicates the maximum voltage the connector is designed to withstand without arcing or dielectric breakdown. Substitution to lower voltage-rated parts is acceptable only for applications operating at or below the substitute's voltage rating. Applications designed for 300V operation require selection of substitutes with equal or higher voltage ratings.
Q: Are HARTING and TE Connectivity substitutes mechanically compatible with L717DB25POL2 socket connectors? A: Yes. All substitute parts maintain the D-Sub Shell Size 3 (DB, B) configuration and male pin geometry, ensuring mechanical mating compatibility with standard DB-25 female D-Sub receptacles. Flange feature variations (unthreaded housing versus female screwlock) do not affect mating compatibility.
Q: What is the difference between machined and stamped contact forms? A: Machined contacts are individually machined from solid material stock, offering higher dimensional precision and reliability, typically preferred in critical applications. Stamped contacts are formed from metal sheet stock, offering cost advantages while maintaining electrical function. Both contact forms are acceptable for D-Sub applications, though machined contacts are preferred for harsh environments.
Q: Can I substitute a part with a higher operating temperature upper limit to the L717DB25POL2? A: Operating temperature range describes the thermal limits of the connector materials and construction. The L717DB25POL2 operates to 125°C. Substitutes with lower upper temperature limits (such as TE Connectivity parts rated to 105°C) should be used only when circuit operation confirms temperatures remain below the substitute's maximum specification. Substitutes with higher temperature ratings are always acceptable.
Q: What does MSL 1 (Unlimited) mean for connector storage and handling? A: MSL 1 (Moisture Sensitivity Level 1) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Connectors with MSL 1 can be stored at standard warehouse conditions without floor-of-a-fab restrictions or baking requirements.
Q: Are gold contact finishes on all substitutes equivalent to the L717DB25POL2's 8.00µin gold plating? A: The L717DB25POL2 specifies 8.00µin (0.203µm) gold contact finish. Some substitutes specify "Flash" gold finish, which is thinner and provides corrosion protection and solderability. Flash finish is acceptable for signal applications but may have different long-term contact resistance characteristics in high-cycling or high-stress environments. Applications with strict contact resistance requirements should confirm compatibility with the substitute's gold finish thickness.
Q: Why are some NorComp substitutes listed as Obsolete product status? A: Part 172-025-112R001 carries Obsolete designation, indicating it is no longer in active production by the manufacturer. While limited inventory may be available through component distributors, procurement cannot be guaranteed for future builds. For new design qualifications, select from Active status substitutes such as the TE Connectivity AMPLIMITE HD-20 series or HARTING parts, which have ongoing manufacturing support.
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