L17TF2502115 D-Sub Receptacle 25 Position Equivalent & Substitute Parts

Part Overview

The L17TF2502115 is a 25 position D-Sub receptacle connector manufactured by Amphenol ICC (Commercial Products). This connector features female sockets in a vertical through-hole configuration with press-fit termination. The part is actively produced and maintained in inventory with 687 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and connector topology to support system design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Connector Style	D-Sub
Connector Type	Receptacle, Female Sockets
Number of Positions	25
Shell Size, Connector Layout	3 (DB, B)
Mounting Type	Through Hole
Termination	Press-Fit
Current Rating (Amps)	3A
Voltage Rating	300V
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the L17TF2502115 are identified based on the following critical parameters:

Matching Criteria:

Connector style: D-Sub
Number of positions: 25
Shell size and layout: 3 (DB, B)
Termination method: Press-Fit
Operating temperature range: -55°C ~ 125°C
Material flammability rating: UL94 V-0
Voltage rating: 300V

Substitution Logic: The L17TF2502115 is a receptacle (female sockets) connector. Substitute parts include both receptacle and plug (male pins) configurations. Plug connectors (D25P91C4GV00LF and D25P91C6GV00LF) are mating counterparts suitable for applications requiring paired connector sets. The NorComp 191-025-123R001 is a plug connector with panel mount configuration, applicable where board-level receptacles are replaced with panel-mounted plugs in system redesigns.

All substitute parts maintain the 25-position D-Sub topology, press-fit termination, and operating temperature specifications. Electrical ratings (current and voltage) meet or exceed the main part specifications.

Parameter Comparison

Parameter	L17TF2502115	191-025-123R001	D25P91C4GV00LF	D25P91C6GV00LF
Manufacturer	Amphenol ICC (Commercial Products)	NorComp Inc.	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Connector Type	Receptacle, Female Sockets	Plug, Male Pins	Plug, Male Pins	Plug, Male Pins
Number of Positions	25	25	25	25
Shell Size, Connector Layout	3 (DB, B)	3 (DB, B)	3 (DB, B)	3 (DB, B)
Mounting Type	Through Hole	Panel Mount	Through Hole	Through Hole
Termination	Press-Fit	Press-Fit	Press-Fit	Press-Fit
Current Rating (Amps)	3A	5A	5A per Contact	5A per Contact
Voltage Rating	300V	Not Specified	300V	300V
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Shell Material, Finish	Steel, Tin Plated	Steel, Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated
Contact Finish	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Brass	Phosphor Bronze	Phosphor Bronze
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

L17TF2502115 (Primary Part): Use this receptacle connector for applications requiring board-level female socket termination with through-hole mounting. The part is actively produced, RoHS compliant, and maintains unlimited moisture sensitivity rating (MSL 1). Current rating of 3A is suitable for signal-level applications.

D25P91C6GV00LF (Preferred Substitute for Mating Plug): This Amphenol ICC (FCI) plug connector is the recommended mating counterpart for the L17TF2502115. Both parts share identical electrical specifications (300V, -55°C to 125°C), matching contact material (Phosphor Bronze), and equivalent RoHS compliance. The D25P91C6GV00LF provides 5A per contact rating, exceeding the receptacle specification. Contact finish thickness (30.0µin / 0.76µm) matches the main part specification.

D25P91C4GV00LF (Alternative Substitute for Mating Plug): This Amphenol ICC (FCI) plug connector is functionally equivalent to D25P91C6GV00LF with identical electrical and mechanical specifications. The primary difference is contact finish thickness (Flash vs. 30.0µin), which does not affect substitution eligibility. Both Delta D series plugs are suitable for paired connector applications.

191-025-123R001 (Panel Mount Alternative): This NorComp plug connector is applicable where system redesign requires panel-mounted connector configuration instead of board-level through-hole mounting. The part maintains 25-position D-Sub topology, press-fit termination, and UL94 V-0 flammability rating. Current rating (5A) exceeds the main part specification. Voltage rating is not specified for this part. ROHS3 compliance is equivalent to RoHS compliance. Use this part only when panel mount configuration is required.

Frequently Asked Questions (FAQ)

Q: Can D25P91C4GV00LF and D25P91C6GV00LF be used interchangeably with L17TF2502115?

A: These are plug (male pins) connectors, not receptacles. They are mating counterparts designed to connect with the L17TF2502115 receptacle. Both plugs are electrically and mechanically compatible for paired connector applications. The difference between D25P91C4GV00LF and D25P91C6GV00LF is contact finish thickness (Flash vs. 30.0µin), which does not affect interchangeability.

Q: Is the NorComp 191-025-123R001 a direct replacement for L17TF2502115?

A: No. The 191-025-123R001 is a plug connector with panel mount configuration, whereas the L17TF2502115 is a receptacle with through-hole mounting. The NorComp part is applicable only in applications where system design changes from board-level receptacle to panel-mounted plug configuration. Both parts maintain 25-position D-Sub topology and press-fit termination.

Q: What are the key compatibility parameters for D-Sub 25 position connectors?

A: Compatibility is determined by connector style (D-Sub), number of positions (25), shell size and layout (3 / DB, B), and termination method (press-fit). All substitute parts listed meet these criteria. Connector type (receptacle vs. plug) determines mating compatibility. Mounting type (through-hole vs. panel mount) determines board integration method.

Q: Do all substitute parts meet the same electrical specifications as L17TF2502115?

A: All substitute parts meet or exceed the voltage rating (300V) and operating temperature range (-55°C to 125°C) of the main part. Current ratings for substitute parts (5A) exceed the main part specification (3A). All parts maintain UL94 V-0 flammability rating and RoHS compliance status.

Q: What is the difference between contact finish thickness specifications?

A: Contact finish thickness is specified as 30.0µin (0.76µm) for L17TF2502115 and D25P91C6GV00LF, and as Flash for D25P91C4GV00LF. Flash finish indicates a thin gold coating applied to the contact surface. Both specifications provide adequate electrical conductivity and corrosion resistance for signal-level applications. Finish thickness does not affect connector substitution eligibility.

Q: Are all parts RoHS compliant?

A: Yes. L17TF2502115, D25P91C4GV00LF, and D25P91C6GV00LF are RoHS Compliant. The NorComp 191-025-123R001 is ROHS3 Compliant, which is equivalent to RoHS compliance. All parts are suitable for applications requiring RoHS compliance.

Q: What is the moisture sensitivity level (MSL) significance?

A: L17TF2502115, D25P91C4GV00LF, and D25P91C6GV00LF all have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly. The NorComp 191-025-123R001 has MSL Not Applicable, indicating the part does not require moisture sensitivity management. Both classifications are suitable for standard manufacturing environments.

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