L717DFB25POL2

Part Overview

The L717DFB25POL2 is a 25 Position D-Sub Plug connector manufactured by Amphenol ICC (Commercial Products). This panel mount, solder-terminated connector features male pins and is designed for signal applications requiring robust electrical and mechanical reliability. The part maintains Active product status with 921 units in stock. Substitute parts become necessary when specific mounting configurations, flange features, contact finishes, or operational temperature ranges differ from the original specification, or when supply constraints require alternative sourcing from compatible manufacturers.

Key Parameters

Parameter	L717DFB25POL2 (Main Part)
Manufacturer	Amphenol ICC (Commercial Products)
Connector Type	D-Sub Plug, Male Pins
Number of Positions	25
Shell Size	3 (DB, B)
Mounting Type	Panel Mount, Through Hole
Termination	Solder
Current Rating	7.5A
Voltage Rating	300V
Operating Temperature	-55°C to 125°C
Shell Material/Finish	Steel, Tin Plated
Contact Finish	Gold
Contact Material	Brass
Flange Feature	Housing/Shell (Unthreaded)
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute compatibility for the L717DFB25POL2 is determined by strict adherence to the following core parameters:

Critical Parameters (Must Match):

Connector Style: D-Sub
Connector Type: Plug, Male Pins
Number of Positions: 25
Number of Rows: 2
Shell Size: 3 (DB, B)
Termination: Solder
Material Flammability Rating: UL94 V-0

Compatible Variation Parameters:

Mounting Type: Panel Mount, Through Hole (substitutes may differ in flange feature configuration)
Current Rating: Minimum 6A (main part: 7.5A)
Voltage Rating: Minimum 100V (main part: 300V)
Operating Temperature Range: Must encompass or exceed -55°C to 125°C requirement
Shell Material/Finish: Steel variants acceptable
Contact Finish: Gold or equivalent signal-grade finishes acceptable
Contact Material: Brass or Copper Alloy acceptable

Substitutes are grouped by flange feature type: Housing/Shell (Unthreaded) matches panel mount applications; Mating Side Female Screwlock variants provide additional mechanical retention; Board Side configurations serve different assembly geometries. All listed substitutes maintain 25-position D-Sub geometry and solder termination compatibility.

Parameter Comparison

Parameter	L717DFB25POL2	09643227210	09643227235	09653216703	09653617713	1-5745968-3	1-5745968-4	1-5745968-5	1-5745968-6	172-025-112R001	172-E25-113R001
Manufacturer	Amphenol ICC	HARTING	HARTING	HARTING	HARTING	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	NorComp Inc.	NorComp Inc.
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
Positions	25	25	25	25	25	25	25	25	25	25	25
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)	3 (DB, B)	3 (DB, B)	3 (DB, B)
Mounting Type	Panel Mount, 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 (A)	7.5	7.5	7.5	6.5	6.5	6	6	6	6	5	5
Voltage Rating (V)	300	100	100	—	—	125	125	125	125	—	—
Operating Temperature	-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 Finish	Gold	—	—	—	—	Gold	Gold	Gold	Gold	Gold	Gold
Contact Material	Brass	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Brass	Brass	Brass	Brass	Brass	Brass
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 Rating	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
RoHS Status	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

Primary Panel Mount Substitutes (Equivalent Flange Configuration): 172-E25-113R001 (NorComp Inc.) maintains identical panel mount, through-hole geometry with unthreaded housing flange, matching the original mounting footprint. This part holds Active status and ROHS3 compliance. The reduced current rating of 5A and narrower operating temperature floor of -50°C require verification against circuit requirements. 172-025-112R001 (NorComp Inc.) provides similar panel mount compatibility but carries Obsolete status and should be avoided for new designs.

Alternative Flange Configurations: Parts featuring mating-side female screwlock flanges (09653216703, 09653617713, 1-5745968-3 through 1-5745968-6) require different mechanical assembly approaches. These are suitable only when the application design accommodates screwlock retention at the mating connector interface. TE Connectivity AMPLIMITE HD-20 series (1-5745968 variants) offer Active status and RoHS3 compliance but operate only to 105°C maximum, limiting suitability for -55°C to 125°C applications.

Compatible Voltage Rating Considerations: The main part L717DFB25POL2 specifies 300V rating. HARTING substitutes 09643227210 and 09643227235 provide only 100V rating and are suitable only for applications not exceeding 100V. Parts with unspecified voltage rating (09653216703, 09653617713) require design team consultation to establish adequacy. TE Connectivity and NorComp parts with 125V or unspecified ratings suit lower-voltage applications.

Recommended Primary Selections: For direct geometric replacement with maintained electrical performance: 172-E25-113R001 (Active, ROHS3, panel mount). For through-hole applications without panel mount requirement: 1-5745968-5 or 1-5745968-4 (Active, ROHS3, AMPLIMITE HD-20 series, adequate for -55°C to 105°C). Verify current and voltage requirements against circuit specifications before selection.

Frequently Asked Questions (FAQ)

Q: Can HARTING 09643227210 directly replace the L717DFB25POL2 in panel mount applications? A: 09643227210 is specified as through-hole mounting only, not panel mount. Physical mounting geometry differs from the L717DFB25POL2. This substitute is unsuitable for panel mount applications requiring an unthreaded housing flange. However, the connector body and electrical specifications are compatible with the signal interface.

Q: Why do some substitute parts specify lower current ratings (5A, 6A, 6.5A) than the main part (7.5A)? A: Current rating is a contact and shell parameter dependent on contact force, alloy properties, and thermal design. Lower-rated parts are electrically compatible for signal applications but may not support the full 7.5A load. Circuit current requirements must not exceed the selected substitute's rating.

Q: Are the TE Connectivity AMPLIMITE HD-20 series substitutes (1-5745968-3 through 1-5745968-6) interchangeable? A: These four variants are electrically and mechanically equivalent, differing only in packaging (all Tube). Selection among them is based on procurement quantity requirements and packaging convenience. All carry -55°C to 105°C operating temperature and 6A current rating.

Q: What is the significance of voltage rating differences between L717DFB25POL2 (300V) and some substitutes (100V or unspecified)? A: Voltage rating indicates the maximum sustained voltage that insulation and contact spacing support without arcing or breakdown. The 300V main part accommodates higher-voltage applications. HARTING substitutes rated 100V are suitable only for applications under 100V. Unspecified voltage ratings require clarification with the manufacturer.

Q: Can parts with mating-side female screwlock flanges replace the unthreaded housing flange of the L717DFB25POL2? A: Mechanically, no. The screwlock flange is designed for mating-side connector attachment and requires different cable assembly and assembly procedures. The electrical interface is compatible, but the mechanical engagement method is fundamentally different, making these suitable only for designs with corresponding mating connector screwlock features.

Q: Does operating temperature range affect substitutability? A: Operating temperature is application-dependent. The main part covers -55°C to 125°C. Substitutes with narrower ranges (-20°C to 125°C or -50°C to 100°C) are compatible only when the application does not require the wider original range. Verify worst-case environmental conditions before selection.

Q: Are all listed substitutes RoHS compliant? A: All substitutes listed carry either RoHS Compliant or ROHS3 Compliant status. This indicates compliance with Restriction of Hazardous Substances regulations. Selection based on RoHS status presents no incompatibility; both designations are acceptable for standard commercial applications.

Q: What does MSL (Moisture Sensitivity Level) 1 (Unlimited) mean for these connectors? A: MSL 1 indicates the connector requires no special moisture-control handling during storage, transport, or assembly. These connectors can be stored and used without bake-out or dry-pack requirements, simplifying logistics and manufacturing procedures.

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