HARTING 09663637813 D-Sub 25 Position Plug Connector - Equivalent & Substitute Parts

Part Overview

The HARTING 09663637813 is a 25 position D-Sub plug connector with right-angle solder termination, designed for through-hole PCB mounting. This connector features a DB/B shell size (Shell Size 3) with male pins, female screwlock flanges, and board lock functionality. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Connector Type	Plug, Male Pins
Number of Positions	25
Shell Size / Layout	3 (DB, B)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Current Rating	7.5A
Operating Temperature	-55°C to 125°C
Flange Feature	Mating Side, Female Screwlock (4-40)
Dielectric Material	Polybutylene Terephthalate (PBT), Glass Filled
Shell Material	Steel
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the HARTING 09663637813 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Connector type: Plug with male pins
Position count: 25 positions
Shell size: 3 (DB, B)
Mounting: Through hole, right angle solder
Flange configuration: Female screwlock (4-40) on mating side
Dielectric material: PBT or equivalent thermoplastic
Operating temperature range: Minimum -55°C to 125°C

Secondary Compatibility Parameters:

Current rating: Minimum 5A per contact (original rated 7.5A)
Backset spacing: 0.409" ± tolerance
Material flammability: UL94 V-0
Contact material: Copper alloy, brass, or phosphor bronze
Moisture sensitivity: MSL 1 (unlimited)

The substitute parts listed below meet these criteria with varying levels of parameter alignment. Parts are grouped by manufacturer and specific feature variations.

Parameter Comparison

Parameter	HARTING 09663637813	TE Connectivity 5745436-3	Amphenol D25P13A4GL00LF	Amphenol D25P13A4GV00LF	Amphenol D25P13A4GX00LF	Amphenol D25P13A6GV00LF	Amphenol DBM25P500	Amphenol DBML25P500
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
Positions	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)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Flange Feature	Mating Side, Female Screwlock (4-40)	Mating Side, Standard Screws	Housing/Shell (M3)	Mating Side, Female Screwlock (4-40)	Housing/Shell (4-40)	Mating Side, Female Screwlock (4-40)	Housing/Shell (Unthreaded)	Housing/Shell (M3)
Current Rating	7.5A	6A	5A per Contact	5A per Contact	5A per Contact	5A per Contact	7.5A per Contact	7.5A per Contact
Backset Spacing	0.409" (10.40mm)	0.454" (11.53mm)	0.409" (10.40mm)	0.409" (10.40mm)	0.409" (10.40mm)	0.409" (10.40mm)	0.406" (10.30mm)	0.406" (10.30mm)
Operating Temperature	-55°C to 125°C	-55°C to 105°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Voltage Rating	Not specified	125V	300V	300V	300V	300V	300V	300V
Shell Material	Steel	Steel, Tin Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Tin-Nickel Plated	Steel, Yellow Cadmium Plated	Steel, Yellow Cadmium Plated
Contact Finish	Not specified	Gold	Gold (Flash)	Gold (Flash)	Gold (Flash)	Gold or Gold GXT™ (30.0µin)	Gold	Gold
Dielectric Material	PBT, Glass Filled	Polyamide (PA), Glass Filled	PBT	PBT	PBT	PBT	Thermoplastic	Thermoplastic
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS non-compliant	RoHS non-compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Tier 1 - Closest Functional Equivalents (Recommended for Direct Replacement):

Amphenol D25P13A4GV00LF and D25P13A6GV00LF are the primary substitutes. Both feature identical backset spacing (0.409"), matching dielectric material (PBT), identical flange configuration (mating side female screwlock 4-40), and full operating temperature range (-55°C to 125°C). Both are active products with RoHS compliance. The D25P13A6GV00LF offers enhanced contact finish specification (30.0µin gold thickness) compared to flash plating on the D25P13A4GV00LF variant.

Tier 2 - Compatible Alternatives (Acceptable with Design Review):

Amphenol D25P13A4GL00LF and D25P13A4GX00LF maintain PBT dielectric, identical backset spacing, and full temperature range. D25P13A4GL00LF uses M3 housing flange mounting instead of mating-side screwlock. D25P13A4GX00LF uses 4-40 housing flange mounting. Both reduce current rating to 5A per contact (versus original 7.5A). These parts are suitable where flange mounting configuration can be accommodated and current requirements do not exceed 5A per contact.

Tier 3 - Functional Alternatives (Limited Compatibility):

TE Connectivity 5745436-3 provides active product status and ROHS3 compliance but operates only to 105°C (versus 125°C) and uses standard mating-side screws rather than female screwlock. Current rating is 6A. Backset spacing differs at 0.454" versus 0.409". Suitable only where temperature ceiling of 105°C is acceptable and flange configuration can be modified.

Amphenol DBM25P500 and DBML25P500 maintain 7.5A current rating and full temperature range but use yellow cadmium plating (RoHS non-compliant) and lack board lock features. These are not recommended for new designs requiring RoHS compliance.

Compliance Considerations:

All Tier 1 and Tier 2 alternatives meet ROHS3 compliance. DBM25P500 and DBML25P500 are RoHS non-compliant and should not be selected for applications requiring regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 5745436-3 be used as a direct replacement?

A: The 5745436-3 is mechanically compatible but has three limiting factors: operating temperature maximum of 105°C (original rated to 125°C), current rating of 6A (original 7.5A), and backset spacing of 0.454" versus the original 0.409". It is suitable only if your application does not require the full temperature range or higher current capacity.

Q: What is the difference between the Amphenol D25P13A4GV00LF and D25P13A6GV00LF?

A: Both parts are functionally equivalent with identical electrical and mechanical specifications. The primary difference is contact finish thickness: D25P13A6GV00LF specifies 30.0µin (0.76µm) gold plating, while D25P13A4GV00LF uses flash gold plating. For applications requiring enhanced contact durability or mating cycle life, the D25P13A6GV00LF is preferred.

Q: Why do some substitutes have different backset spacing?

A: Backset spacing (distance from the rear of the connector to the solder cup centerline) affects PCB layout and component clearance. The original part specifies 0.409" (10.40mm). Amphenol Delta D series (D25P13 variants) maintain this spacing. TE Connectivity 5745436-3 uses 0.454" spacing, requiring PCB layout verification. Amphenol DM HE501 series uses 0.406" spacing, a minor tolerance variation acceptable in most applications.

Q: Are the Amphenol DBM25P500 and DBML25P500 suitable for new designs?

A: These parts are not recommended for new designs. Both are RoHS non-compliant due to yellow cadmium plating. While they maintain 7.5A current rating and full temperature range, regulatory requirements and environmental restrictions on cadmium make them unsuitable for modern applications. Use Tier 1 or Tier 2 alternatives instead.

Q: What does "female screwlock (4-40)" flange feature mean?

A: This indicates the connector has threaded holes on the mating face (the side that connects to the receptacle) sized for 4-40 screws. This provides a positive mechanical lock between mating connectors. Some substitutes use alternative flange configurations (housing-mounted M3 or 4-40 threads), which may require different mating receptacles or mounting hardware.

Q: Can I use a part with lower current rating (5A) in place of the original 7.5A?

A: Only if your circuit design does not exceed 5A per contact. Verify actual current per contact in your application. If any contact carries more than 5A, the lower-rated substitute will not be suitable. Amphenol D25P13 series variants are rated 5A per contact.

Q: What is the significance of PBT versus polyamide dielectric material?

A: Both are thermoplastic materials meeting UL94 V-0 flammability requirements. PBT (polybutylene terephthalate) offers slightly better dimensional stability and moisture resistance. Polyamide (PA/nylon) is also widely used in connector applications. For the original HARTING part, PBT-based substitutes (Amphenol D25P13 series) are preferred for closest material match.

Q: Are there packaging differences between substitutes?

A: Yes. The original HARTING 09663637813 is supplied in bulk packaging. All listed substitutes are supplied in tray packaging. Verify that tray packaging is acceptable for your procurement and assembly processes.

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