3M 8315-6004 D-Sub 15-Position Receptacle Connector: Equivalent & Substitute Parts

Part Overview

The 3M 8315-6004 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 features a 2-row DA/A shell size configuration with tin-plated steel housing and gold-plated contacts rated for 1A at operating temperatures from -55°C to 105°C.

The 8315-6004 is classified as obsolete. Direct substitutes are necessary for new designs, repairs, and production continuity. Equivalent parts must maintain the same electrical performance, mechanical compatibility, and termination method while meeting current manufacturing and compliance standards.

Key Parameters

Parameter	Specification
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 to 105°C
Flammability Rating	UL94 V-0
Wire Gauge	26-28 AWG

Substitute Part Grouping Explanation

Substitution for the 3M 8315-6004 is determined by strict adherence to the following parameters:

Critical Compatibility Parameters:

15-position D-Sub receptacle configuration with female sockets
Shell size 2 (DA, A) layout
IDC ribbon cable termination method
Gold contact finish with minimum 30.0µin thickness
UL94 V-0 flammability rating
Operating temperature range of -55°C to 105°C
Wire gauge compatibility: 26-28 AWG

Mounting Type Consideration: The original 8315-6004 is panel mount. Substitute parts listed are free-hanging (in-line) configurations. These substitutes are electrically and mechanically compatible but require different installation methods. Selection depends on application requirements.

Current Rating Variance: Substitute parts exceed the original 1A rating (ranging from 1.25A to 5A). Higher current ratings provide design margin and are acceptable for direct substitution in applications requiring 1A or less.

Parameter Comparison

Parameter	3M 8315-6004	TE 1658609-3	TE 1658610-3	TE 1658612-3	Assmann A-DFF 15 LPIII/Z	Amphenol G17K15001001EU	Amphenol L117DAFRA15S	Amphenol L117DAFRAA15S	Amphenol L117DAFRB15S	Amphenol L117DAFRBA15S	Amphenol L117DAFRCA15S
Manufacturer	3M	TE Connectivity	TE Connectivity	TE Connectivity	Assmann WSW	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC	Amphenol ICC
Positions	15	15	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)	2 (DA, A)	2 (DA, A)
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	IDC, Ribbon Cable	IDC, Ribbon Cable
Contact Finish	Gold (30.0µin)	Gold (30.0µin)	Gold (30.0µin)	Gold (30.0µin)	Gold (Flash)	Gold	Gold (15.0µin)	Gold (15.0µin)	Gold (15.0µin)	Gold (15.0µin)	Gold (15.0µin)
Current Rating (A)	1	1.25	1.25	1.25	3	—	3	5	3	5	5
Operating Temp (°C)	-55 to 105	-55 to 105	-55 to 105	-55 to 105	-55 to 105	—	-55 to 105	-40 to 125	-55 to 105	-40 to 125	-40 to 125
Flammability	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
Wire Gauge	26-28 AWG	26-28 AWG	26-28 AWG	26-28 AWG	26-28 AWG	—	26 AWG	26 AWG	26 AWG	26 AWG	26 AWG
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Compliance	—	ROHS3	ROHS3	ROHS3	ROHS3	RoHS	ROHS3	RoHS	RoHS	RoHS	RoHS

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

TE Connectivity 1658609-3, 1658610-3, and 1658612-3 provide the closest electrical match with 1.25A current rating and identical contact finish thickness (30.0µin). All three are ROHS3 compliant and active products. Selection between these three depends on packaging requirements (Tube vs. Bulk) and flange feature specifications (4-40 vs. Unthreaded).

Alternative Substitutes (Acceptable with Design Considerations):

Amphenol ICC L117 series connectors (L117DAFRA15S, L117DAFRAA15S, L117DAFRB15S, L117DAFRBA15S, L117DAFRCA15S) are active products with higher current ratings (3A to 5A) and extended temperature ranges (-40°C to 125°C on select models). Contact finish thickness is reduced to 15.0µin. These parts are suitable for applications where higher current capacity and wider temperature operation provide design margin.

Secondary Alternatives:

Assmann A-DFF 15 LPIII/Z and Amphenol G17K15001001EU are active products meeting all critical parameters. The Assmann part offers 3A current rating and includes strain relief features. The Amphenol G17K series is RoHS compliant with active product status.

Mounting Type Note:

All listed substitutes are free-hanging (in-line) configurations, differing from the original panel mount design. Application requirements determine whether this mounting difference is acceptable or if panel mount alternatives must be sourced separately.

Frequently Asked Questions (FAQ)

Q: Can I use a free-hanging (in-line) substitute in place of the panel mount 8315-6004?

A: Electrically and mechanically, yes. The 15-position D-Sub receptacle configuration, shell size, and IDC termination are identical. However, the mounting method differs. Panel mount applications require mechanical redesign or use of mounting adapters. Verify mechanical fit within your enclosure before implementation.

Q: What is the significance of contact finish thickness differences (30.0µin vs. 15.0µin)?

A: Both thicknesses meet gold plating standards for D-Sub connectors. The 30.0µin specification on the original part and TE substitutes provides additional corrosion resistance margin. The 15.0µin thickness on Amphenol L117 series is acceptable for standard environments. For high-reliability or harsh environment applications, specify 30.0µin minimum.

Q: Are higher current-rated substitutes (3A to 5A) safe to use in 1A applications?

A: Yes. Higher current ratings indicate greater conductor cross-section and contact robustness. These parts are directly substitutable in applications requiring 1A or less, providing design margin and improved reliability.

Q: What is the difference between ROHS3 and RoHS compliance listed on these parts?

A: ROHS3 indicates compliance with the latest Restriction of Hazardous Substances Directive (EU 2015/863). RoHS indicates compliance with earlier versions. Both are acceptable for most applications. Verify your specific regulatory requirements before final selection.

Q: Can I mix and match flange features (4-40, M3, Unthreaded) between mating pairs?

A: No. Flange features must match between plug and receptacle for proper mating and mechanical retention. Verify that your mating connector uses compatible flange specifications before substitution.

Q: Which substitute offers the best long-term availability?

A: All listed substitutes are classified as active products with current manufacturing status. TE Connectivity and Amphenol ICC are major connector manufacturers with established supply chains. For critical applications, confirm lead times and allocation status with your distributor.

Q: Is the Assmann A-DFF 15 LPIII/Z suitable for high-vibration environments?

A: The Assmann part includes strain relief features, which provide mechanical support for cable routing. However, strain relief alone does not determine vibration performance. Evaluate your specific vibration profile and consider connector retention mechanisms (backshells, cable clamps) independent of the connector type.

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