3M 8315-7003 D-Sub 15-Position Receptacle Connector – Equivalent & Substitute Parts

Part Overview

The 3M 8315-7003 is a 15-position D-Sub receptacle connector with female sockets, designed for panel mount applications using IDC (insulation displacement contact) termination with ribbon cable. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations. The part operates across a temperature range of -55°C to 105°C and is RoHS compliant with UL94 V-0 flammability rating.

Key Parameters

Parameter	Value
Manufacturer Part Number	8315-7003
Manufacturer	3M
Connector Type	D-Sub Receptacle, Female Sockets
Number of Positions	15
Shell Size / Layout	2 (DA, A)
Mounting Type	Panel Mount
Termination Method	IDC, Ribbon Cable
Contact Finish	Gold (30.0µin / 0.76µm)
Current Rating	1A
Operating Temperature	-55°C ~ 105°C
Material Flammability	UL94 V-0
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 3M 8315-7003 is determined by the following critical parameters:

Connector Configuration: 15-position D-Sub receptacle with female sockets, shell size 2 (DA, A)
Termination Method: IDC ribbon cable termination
Contact Finish: Gold plating
Operating Temperature Range: -55°C to 105°C minimum
Flammability Rating: UL94 V-0
Compliance: RoHS compliance required

Substitute parts are grouped into two categories:

Category 1 – Direct Functional Equivalents (Panel Mount) The 3M 8315-7003 itself remains the primary reference. No other substitute maintains the identical panel mount configuration with the same electrical and mechanical specifications.

Category 2 – Functional Alternatives (Free Hanging / In-Line Mount) TE Connectivity AMPLIMITE HDF-20 series (1658609-3, 1658610-3, 1658612-3) and Amphenol ICC G17K and DFR series connectors provide equivalent 15-position D-Sub receptacle functionality with IDC termination. These parts differ in mounting type (free hanging instead of panel mount) but maintain compatible shell size, contact configuration, and termination method. Current ratings range from 1.25A to 5A, exceeding the original 1A specification. All maintain UL94 V-0 flammability and operate within the required temperature range.

Parameter Comparison

Parameter	3M 8315-7003	TE 1658609-3	TE 1658610-3	TE 1658612-3	Amphenol G17K15001001EU	Amphenol G17K15003101EU	Amphenol L117DAFRA15S	Amphenol L117DAFRAA15S	Amphenol L117DAFRB15S
Manufacturer	3M	TE Connectivity	TE Connectivity	TE Connectivity	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC
Connector Type	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female	Receptacle, Female
Positions	15	15	15	15	15	15	15	15	15
Shell Size	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)	2 (DA, A)
Mounting Type	Panel Mount	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Termination	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable	IDC, Ribbon Cable
Contact Finish	Gold (30.0µin)	Gold (30.0µin)	Gold (30.0µin)	Gold (30.0µin)	Gold	Gold	Gold (15.0µin)	Gold (15.0µin)	Gold (15.0µin)
Current Rating (Amps)	1A	1.25A	1.25A	1.25A	Not Specified	Not Specified	3A	5A	3A
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	Not Specified	Not Specified	-55°C ~ 105°C	-40°C ~ 125°C	-55°C ~ 105°C
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
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Panel Mount Applications: The 3M 8315-7003 remains the only option with panel mount configuration. Given its obsolete status, design migration to free hanging alternatives is necessary for long-term supply chain sustainability.

For Free Hanging (In-Line) Applications: TE Connectivity AMPLIMITE HDF-20 series (1658609-3, 1658610-3, 1658612-3) are active products with ROHS3 compliance and current ratings of 1.25A, suitable for applications requiring higher reliability than the original 1A specification. All three maintain the required -55°C to 105°C operating range and UL94 V-0 flammability rating.

Amphenol ICC G17K series (G17K15001001EU, G17K15003101EU) provide active alternatives with integrated strain relief and feed-through features. RoHS compliance is confirmed for both variants.

Amphenol ICC DFR series (L117DAFRA15S, L117DAFRAA15S, L117DAFRB15S) offer higher current ratings (3A to 5A) and extended temperature range options. L117DAFRAA15S supports -40°C to 125°C operation, exceeding the original specification. All variants include feed-through and strain relief features.

Compliance Considerations: All substitute parts maintain UL94 V-0 flammability rating and RoHS compliance. TE Connectivity parts carry ROHS3 certification. Amphenol DFR series variants include ROHS3 or RoHS compliance as specified. Gold contact finish is maintained across all alternatives, with thickness variations noted (15.0µin to 30.0µin).

Frequently Asked Questions (FAQ)

Q: Can the 3M 8315-7003 be directly replaced with a free hanging connector? A: Direct replacement requires mechanical redesign. Panel mount and free hanging connectors have different mounting interfaces. However, all substitute parts maintain identical shell size (2 DA, A), 15-position configuration, and IDC ribbon cable termination, allowing functional substitution with appropriate mechanical adaptation.

Q: What is the primary difference between TE Connectivity and Amphenol alternatives? A: TE Connectivity AMPLIMITE HDF-20 series provides 1.25A current rating with feed-through capability. Amphenol ICC options offer higher current ratings (3A to 5A) and additional features such as strain relief and screwlock options. Both manufacturers provide active products with confirmed compliance certifications.

Q: Are gold contact finish thicknesses interchangeable? A: Contact finish thickness varies between 15.0µin (0.38µm) and 30.0µin (0.76µm) across alternatives. Both thicknesses provide gold plating for signal integrity and corrosion resistance. Selection depends on application requirements and contact wear expectations. Thicker plating (30.0µin) offers extended contact life in high-cycle applications.

Q: Which substitute part supports the widest operating temperature range? A: Amphenol L117DAFRAA15S operates from -40°C to 125°C, exceeding the original -55°C to 105°C specification. This variant is suitable for applications requiring extended temperature performance.

Q: Are all substitute parts RoHS compliant? A: Yes. All substitute parts carry RoHS compliance certification. TE Connectivity parts are ROHS3 compliant. Amphenol variants carry either ROHS3 or RoHS compliance as individually specified.

Q: What packaging options are available for substitute parts? A: TE Connectivity 1658609-3 and 1658612-3 are supplied in tubes. TE Connectivity 1658610-3 is supplied in bulk. Amphenol ICC G17K series packaging is not specified. Amphenol ICC DFR series are supplied in trays. Packaging selection affects inventory management and component handling procedures.

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