L717DFB25PV D-Sub 25 Position Plug Connector Equivalent & Substitute Parts

Part Overview

The L717DFB25PV is a 25 position D-Sub plug connector manufactured by Amphenol ICC (Commercial Products). This connector features male pins, panel mount through-hole termination via solder, and is designed for signal applications. The part is currently in active product status with 1044 units in stock. D-Sub connectors of this configuration are widely used in industrial control systems, data acquisition equipment, and legacy computing interfaces where 25-pin parallel signal distribution is required. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design requirements necessitate alternative manufacturers or specific feature variations.

Key Parameters

Parameter	Value
Connector Type	Plug, Male Pins
Number of Positions	25
Number of Rows	2
Shell Size / Connector Layout	3 (DB, B)
Mounting Type	Panel Mount, Through Hole
Termination Method	Solder
Shell Material / Finish	Steel, Tin Plated
Contact Material	Brass
Contact Finish	Gold
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature Range	-55°C to 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the L717DFB25PV are grouped based on strict electrical and mechanical compatibility criteria. All substitute connectors must meet the following core requirements:

Primary Compatibility Criteria:

Connector type: Plug with male pins
Position count: 25 positions
Row configuration: 2 rows
Shell size: 3 (DB, B)
Termination: Solder
Contact type: Signal
Material flammability: UL94 V-0

Secondary Compatibility Considerations:

Mounting configuration (panel mount through-hole vs. standard through-hole)
Shell material and finish specifications
Contact material and finish specifications
Current and voltage ratings
Operating temperature range
Regulatory compliance (RoHS, REACH, ECCN)

Substitutes are divided into two functional groups:

Group 1: Panel Mount Configuration (Direct Mechanical Substitutes) Parts with panel mount through-hole mounting identical to the L717DFB25PV. These connectors maintain the same physical interface and installation method.

Group 2: Standard Through-Hole Configuration (Functional Electrical Substitutes) Parts with standard through-hole mounting (without panel mount flange). These connectors provide electrical equivalence and signal compatibility but require different mechanical installation approaches.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Positions	Mounting Type	Shell Material / Finish	Contact Material	Contact Finish	Current Rating (A)	Voltage Rating (V)	Operating Temp (°C)	RoHS Status	Product Status
L717DFB25PV	Amphenol ICC	25	Panel Mount, Through Hole	Steel, Tin Plated	Brass	Gold	7.5	300	-55 to 125	RoHS Compliant	Active
09653617713	HARTING	25	Through Hole	Steel	Copper Alloy	Not Specified	6.5	Not Specified	-55 to 125	ROHS3 Compliant	Active
1-5745968-3	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Brass	Gold	6	125	-55 to 105	ROHS3 Compliant	Active
1-5745968-4	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Brass	Gold	6	125	-55 to 105	ROHS3 Compliant	Active
1-5745968-5	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Brass	Gold	6	125	-55 to 105	ROHS3 Compliant	Active
1-5745968-6	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Brass	Gold	6	125	-55 to 105	RoHS Compliant	Active
172-025-112R001	NorComp Inc.	25	Panel Mount, Through Hole	Steel, Tin Plated	Brass	Gold	5	Not Specified	-50 to 100	ROHS3 Compliant	Obsolete
172-E25-113R911	NorComp Inc.	25	Panel Mount, Through Hole	Steel, Nickel Plated	Brass	Gold	5	Not Specified	-50 to 100	ROHS3 Compliant	Active
2-338311-2	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Phosphor Bronze	Gold	6	125	-55 to 105	ROHS3 Compliant	Active
2-5747704-0	TE Connectivity AMP	25	Through Hole	Steel, Tin Plated	Brass	Gold	6	125	-55 to 105	ROHS3 Compliant	Active
208008-2	TE Connectivity AMP	25	Through Hole	Not Specified	Brass	Gold	6	125	-55 to 105	Not Applicable	Active

Engineering Selection Recommendations

Panel Mount Direct Substitutes (Mechanical and Electrical Compatibility)

The following parts maintain panel mount through-hole configuration identical to the L717DFB25PV:

172-E25-113R911 (NorComp Inc., Active Status) This connector is the primary active panel mount substitute. It provides 25-position D-Sub plug configuration with panel mount through-hole mounting. The part is ROHS3 compliant and operates across -50°C to 100°C. Current rating is 5A, which is lower than the L717DFB25PV (7.5A). This part includes board lock and grounding indents features. Shell material is steel with nickel plating rather than tin plating. Selection of this part is appropriate for applications where the lower current rating is acceptable and panel mount configuration is required.

172-025-112R001 (NorComp Inc., Obsolete Status) This connector shares panel mount configuration and similar electrical specifications with the L717DFB25PV. However, the part is marked as obsolete product status. Current rating is 5A. Operating temperature range is -50°C to 100°C, which is narrower than the L717DFB25PV. This part should not be selected for new designs due to obsolete status, though it may be used for legacy system repairs where existing inventory is available.

Standard Through-Hole Substitutes (Electrical Equivalence)

The following parts provide electrical signal compatibility but require different mechanical installation approaches due to standard through-hole mounting without panel mount flange:

TE Connectivity AMPLIMITE HD-20 Series (1-5745968-3, 1-5745968-4, 1-5745968-5, 1-5745968-6) These four variants from the AMPLIMITE HD-20 series are functionally equivalent 25-position D-Sub plugs with through-hole solder termination. All variants are active products with ROHS3 compliance. Current rating is 6A and voltage rating is 125V. Operating temperature range is -55°C to 105°C. Contact material is brass with gold finish. These parts feature mating side female screwlock (4-40) flange configuration. Selection among these variants depends on specific flange feature requirements and availability. Inventory levels range from 1442 to 3136 units.

2-5747704-0 (TE Connectivity AMPLIMITE HD-20, Active Status) This connector provides 25-position D-Sub plug configuration with through-hole solder termination. It is ROHS3 compliant and active product status. Current rating is 6A, voltage rating is 125V, operating temperature -55°C to 105°C. Contact material is brass with gold finish. Shell material is steel with tin plating. This part includes board lock and grounding indents features. Housing/shell flange is configured for 4-40 mounting.

208008-2 (TE Connectivity AMPLIMITE HD-20, Active Status) This connector is a 25-position D-Sub plug with through-hole solder termination. It is active product status with 942 units in stock. Current rating is 6A, voltage rating is 125V, operating temperature -55°C to 105°C. Contact material is brass with gold finish (30.0µin thickness). Shell material finish is not specified. Housing/shell flange is unthreaded configuration. RoHS status is not applicable.

2-338311-2 (TE Connectivity AMPLIMITE HDP-20, Active Status) This connector provides 25-position D-Sub plug configuration with through-hole solder termination. It is ROHS3 compliant and active product status. Current rating is 6A, voltage rating is 125V, operating temperature -55°C to 105°C. Contact material is phosphor bronze with gold finish. Shell material is steel with tin plating. This part includes board lock feature and board side (M3) flange configuration. REACH status is affected.

09653617713 (HARTING, Active Status) This connector is a 25-position D-Sub plug with through-hole solder termination. It is ROHS3 compliant and active product status with 884 units in stock. Current rating is 6.5A. Contact material is copper alloy. Shell material is steel without specified finish. This part includes board lock and grounding indents features. Voltage rating and contact finish are not specified.

Compliance and Regulatory Considerations

All substitute parts listed are RoHS compliant (either RoHS or ROHS3 status). REACH status varies across substitutes. The L717DFB25PV is RoHS compliant and REACH unaffected. When selecting substitutes, verify REACH status alignment with application requirements. All parts carry ECCN EAR99 classification and HTSUS 8536.69.4040 tariff code, consistent with the main part.

Current and Voltage Rating Derating

The L717DFB25PV specifies 7.5A current rating and 300V voltage rating. Most substitute parts specify lower ratings: 6A current and 125V voltage. Applications requiring the full 7.5A or 300V specifications cannot use these substitutes without design modification. Verify application current and voltage requirements before substitution.

Temperature Range Considerations

The L717DFB25PV operates from -55°C to 125°C. NorComp substitutes (172-025-112R001 and 172-E25-113R911) operate from -50°C to 100°C, providing narrower temperature range. TE Connectivity substitutes operate from -55°C to 105°C. Applications requiring full -55°C to 125°C range should use TE Connectivity substitutes or verify that the narrower range is acceptable.

Frequently Asked Questions (FAQ)

Q: Can I use a through-hole mounted D-Sub connector as a direct replacement for a panel mount connector?

A: No. Panel mount and standard through-hole connectors have different mechanical interfaces. Panel mount connectors include a flange for mounting directly to a panel with fasteners. Standard through-hole connectors mount to a printed circuit board. While electrical signals are compatible, the physical installation method differs. If your application requires panel mounting, select only parts specified with panel mount configuration (172-E25-113R911 or 172-025-112R001). If your application uses printed circuit board mounting, standard through-hole parts (TE Connectivity or HARTING options) are appropriate.

Q: What is the difference between the four TE Connectivity AMPLIMITE HD-20 variants (1-5745968-3, -4, -5, -6)?

A: These four part numbers represent the same connector design with identical electrical and mechanical specifications. All four are 25-position D-Sub plugs with 6A current rating, 125V voltage rating, and -55°C to 105°C operating range. The part number suffix (-3, -4, -5, -6) indicates different manufacturing batches or packaging configurations. From an engineering substitution perspective, these parts are functionally equivalent. Selection among them depends on inventory availability and specific procurement requirements.

Q: Why do some substitute parts have lower current ratings than the L717DFB25PV?

A: Current rating is determined by contact material, contact geometry, and shell design. The L717DFB25PV specifies 7.5A, while most substitutes specify 6A or 6.5A. This difference reflects different design approaches by manufacturers. If your application requires 7.5A current capacity, verify that the substitute part's 6A rating is sufficient for your circuit. Do not use a 6A-rated connector in a 7.5A application without circuit redesign.

Q: Is the L717DFB25PV compatible with the NorComp 172-E25-113R911 for all applications?

A: These parts are mechanically compatible (both panel mount) and electrically compatible (both 25-position D-Sub plugs). However, differences exist in current rating (7.5A vs. 5A), voltage rating (300V vs. not specified), and operating temperature range (-55°C to 125°C vs. -50°C to 100°C). The NorComp part is suitable only for applications where the lower current and voltage ratings are acceptable and the narrower temperature range meets requirements. Verify all three parameters before substitution.

Q: What does "ROHS3 Compliant" mean compared to "RoHS Compliant"?

A: Both designations indicate compliance with the Restriction of Hazardous Substances directive. ROHS3 refers to the third iteration of the RoHS directive (2011/65/EU as amended by 2015/863/EU), which includes additional restricted substances. RoHS Compliant typically refers to earlier versions. For new designs, ROHS3 compliance is preferred. The L717DFB25PV is RoHS Compliant; most substitutes are ROHS3 Compliant, which is acceptable for new applications.

Q: Can I use the 208008-2 connector if its shell material finish is not specified?

A: The 208008-2 has unspecified shell material finish, while the L717DFB25PV specifies steel with tin plating. Unspecified finish may indicate that the manufacturer does not guarantee a specific finish or that finish varies by production batch. For applications where shell material finish affects corrosion resistance or electrical properties, contact the manufacturer for clarification before substitution. For general signal applications in controlled environments, this part is acceptable.

Q: What is the significance of "grounding indents" and "board lock" features?

A: Grounding indents are mechanical features on the connector shell that provide additional grounding paths and mechanical stability. Board lock features prevent the connector from rotating or shifting after installation. The L717DFB25PV includes grounding indents. Some substitutes include both grounding indents and board lock (2-5747704-0, 09653617713), while others include only grounding indents. These features enhance mechanical robustness but are not required for basic electrical functionality. Select based on application mechanical requirements.

Q: Why is the contact material different in some substitutes (phosphor bronze vs. brass)?

A: Contact material affects electrical conductivity, spring force, and wear resistance. Brass and phosphor bronze are both acceptable contact materials for D-Sub connectors. Brass (used in L717DFB25PV and most substitutes) provides good conductivity and is cost-effective. Phosphor bronze (used in 2-338311-2) provides higher spring force and wear resistance. Both materials are gold-plated for corrosion protection. For standard signal applications, either material is acceptable. For high-cycle mating applications, phosphor bronze may provide longer service life.

Q: Is the L717DFB25PV suitable for high-temperature applications above 125°C?

A: No. The L717DFB25PV is rated for -55°C to 125°C maximum operating temperature. Applications requiring operation above 125°C require connectors with higher temperature ratings. None of the listed substitutes exceed 105°C maximum temperature. For high-temperature applications, consult the manufacturer for alternative connector designs rated for higher temperatures.

Q: What does "contact finish thickness" mean, and why does it vary?

A: Contact finish thickness refers to the plating layer depth applied to the contact material. The L717DFB25PV specifies 20.0µin (0.51µm) gold plating. The 208008-2 specifies 30.0µin (0.76µm). Thicker plating provides longer service life and better corrosion resistance in harsh environments. Thinner plating is acceptable for standard applications. For applications with frequent mating cycles or corrosive environments, select connectors with thicker gold plating (30.0µin or greater).

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