DLS3XS4AD01X D-Sub Receptacle 25 Position Vertical Solder

Part Overview

The DLS3XS4AD01X is a 25 position D-Sub receptacle connector manufactured by Amphenol CONEC, featuring female sockets with through-hole solder termination. The connector is actively produced and ROHS3 compliant. Equivalent and substitute parts are identified when the application requires alternative mounting configurations, flange features, or material specifications while maintaining functional compatibility within the D-Sub 25 position receptacle category.

Key Parameters

Parameter	DLS3XS4AD01X
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
Flange Feature	Housing/Shell (Unthreaded)
Termination	Solder
Shell Material / Finish	Steel, Tin Plated
Contact Type	Signal
Current Rating	7.5A
Voltage Rating	125V
Operating Temperature	-55°C ~ 125°C
Dielectric Material	Polybutylene Terephthalate (PBT), Glass Filled
Contact Material	Copper Alloy
Contact Finish	Gold
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute connectors for the DLS3XS4AD01X are identified based on strict electrical and mechanical parameter equivalence within the 25 position D-Sub receptacle category. All candidates maintain the core specifications: D-Sub receptacle type, 25 positions in 2-row layout, shell size 3 (DB, B), solder termination, and through-hole mounting. Substitution eligibility is determined by the following key parameters:

Electrical Compatibility: Voltage rating, current rating, and contact material must support equivalent or superior performance in the application circuit.

Mechanical Compatibility: Connector style, connector type, number of positions, shell size, and mounting type must be identical to ensure physical and electrical mating compatibility.

Flange Feature Variations: Acceptable flange features include Housing/Shell (Unthreaded), Housing/Shell (4-40), Housing/Shell (M3), Board Side (4-40), and Mating Side (Female Screwlock). Flange feature selection is application-dependent based on board layout and installation requirements.

Material and Finish Specifications: Steel shell with varied finishes (Tin Plated, unspecified), dielectric material variations (PBT Glass Filled or PBT/Polyester Glass Filled), and contact material consistency are permissible within the scope of signal-grade solder-terminated connectors.

Thermal and Environmental Performance: All substitute parts operate across -55°C to 125°C range, meeting the baseline thermal specification of the main part.

Compliance and Product Status: All parts are ROHS3 compliant, actively produced, and carry identical regulatory classifications (REACH Unaffected, EAR99, HTSUS 8536.69.4040).

Parameter Comparison

Part Number	Manufacturer	Flange Feature	Current Rating (A)	Voltage Rating (V)	Shell Material/Finish	Contact Finish	Dielectric Material	Operating Temp (°C)	Packaging	Inventory (Pcs)
DLS3XS4AD01X	Amphenol CONEC	Housing/Shell (Unthreaded)	7.5	125	Steel, Tin Plated	Gold	PBT, Glass Filled	-55 ~ 125	—	810
09643127235	HARTING	Board Side (4-40)	7.5	100	Steel, Tin Plated	—	PCT	-20 ~ 125	Bulk	901
09663116502	HARTING	Housing/Shell (4-40)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	1244
09663116503	HARTING	Mating Side, Female Screwlock (4-40)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	829
09663117501	HARTING	Housing/Shell (M3)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	812
09663117502	HARTING	Housing/Shell (4-40)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	927
09663516512	HARTING	Housing/Shell (4-40)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Tray	713
09663517511	HARTING	Housing/Shell (M3)	6.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	1006
09670254754	HARTING	Housing/Shell (Unthreaded)	7.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Tray	3350
09670254755	HARTING	Housing/Shell (Unthreaded)	7.5	—	Steel	—	PBT, Polyester, Glass Filled	-55 ~ 125	Bulk	1062
171-025-213R001	NorComp Inc.	Housing/Shell (Unthreaded)	5	—	Steel, Nickel Plated	Gold	Polyamide (PA9T), Nylon 9T	-50 ~ 100	Tray	1933

Engineering Selection Recommendations

Primary Equivalents (Highest Compatibility): Parts 09670254754 and 09670254755 present the closest electrical alignment, maintaining 7.5A current rating and identical Housing/Shell (Unthreaded) flange configuration as the original DLS3XS4AD01X. Both are HARTING manufactured, ROHS3 compliant, and operate across the full -55°C to 125°C thermal range. Selection between these two depends on packaging requirement: tray versus bulk.

Alternate Equivalents (Flange Feature Dependent): Parts 09643127235, 09663116502, 09663117501, 09663117502, 09663116503, and 09663517511 offer substitution where application design accommodates alternative flange features (Board Side, Housing/Shell with 4-40 or M3 threads, or Mating Side Screwlock). These parts maintain ROHS3 compliance and active product status, though several operate at 6.5A current rating rather than 7.5A.

Lower Current Rating Substitutes: Parts with 6.5A rating (09663116502, 09663116503, 09663117501, 09663117502, 09663516512, 09663517511) are suitable only where circuit current requirements do not exceed 6.5A.

Panel Mount Alternative: Part 171-025-213R001 from NorComp Inc. is a panel mount variant supporting both through-hole and panel mounting. This part operates at 5A maximum current and -50°C to 100°C temperature range, representing a narrower performance envelope and lower current capacity than the original specification.

Voltage Consideration: The original part specifies 125V. Part 09643127235 specifies 100V, suitable for applications at or below 100V. Remaining substitute parts omit voltage rating specification but are classified as signal-grade connectors within the same regulatory and material framework.

Frequently Asked Questions (FAQ)

Q: Can I substitute DLS3XS4AD01X with any HARTING 25 position D-Sub receptacle? A: No. Substitution is limited to parts sharing identical connector style (D-Sub), type (Receptacle, Female Sockets), position count (25 in 2-row configuration), shell size (3/DB/B), mounting type (through-hole), and solder termination. Parts 09663116502, 09663116503, 09663117501, 09663117502, 09663516512, 09663517511, 09670254754, and 09670254755 meet these core criteria.

Q: What is the difference between flange features, and does it affect substitution? A: Flange feature specifies the connector's mounting interface on the circuit board. The original part uses Housing/Shell (Unthreaded). Alternatives include Housing/Shell (4-40 or M3 threaded), Board Side (4-40), and Mating Side (Female Screwlock). Selection depends on your board layout, available mounting holes, and mechanical fastening requirements. Each flange variant is electrically equivalent if other parameters match.

Q: Can I use a 6.5A rated substitute in a 7.5A application? A: No. Current rating determines maximum safe continuous current through the connector contacts. Using a 6.5A part in a 7.5A application risks contact overheating and failure. Verify application current requirements and select parts with equal or greater current rating.

Q: What packaging options are available? A: Substitute parts are offered in Bulk (standard reel or box packaging) and Tray (cut-tape or tube packaging). Packaging selection does not affect connector performance; choice depends on your procurement and assembly process. Part 09643127235 specifies Board Lock and Filter features; parts 09663516512 and 09663517511 specify Board Lock feature, which provides mechanical retention during assembly.

Q: Is the NorComp 171-025-213R001 a direct drop-in replacement? A: No. This part differs in mounting type (includes panel mount capability), current rating (5A maximum), operating temperature range (-50°C to 100°C, narrower than -55°C to 125°C), dielectric material (Polyamide/Nylon 9T), and shell finish (Nickel Plated). Use only where your application specifications match these parameters exactly.

Q: Do all substitute parts have the same dielectric material? A: No. The original DLS3XS4AD01X uses PBT (Glass Filled). Substitutes use either PBT (Glass Filled), PBT/Polyester (Glass Filled), or Polyamide (Nylon 9T). Dielectric material affects mechanical strength and thermal performance. Verify compatibility with your application environment and board assembly processes.

Q: Are all parts ROHS3 compliant and REACH unaffected? A: Yes. All listed parts, including the original and all substitutes, are ROHS3 compliant and REACH unaffected. All share the same ECCN (EAR99) and HTSUS (8536.69.4040) classification.

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