TE Connectivity AMP Connectors 103975-7 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 103975-7 is an 8-position rectangular receptacle connector with IDC (Insulation Displacement Contact) termination, designed for ribbon cable applications with wire gauges from 22 to 26 AWG. This connector features gold-plated contacts and is part of the AMPMODU MTE series. The part is currently obsolete, making equivalent substitutes necessary for ongoing system maintenance and new design implementations. Molex SL 70400 series connectors provide direct functional equivalents across multiple wire gauge and contact finish options.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	8
Pitch	0.100" (2.54mm)
Cable Termination	IDC
Wire Gauge Range	22-26 AWG
Contact Finish	Gold
Mounting Type	Free Hanging (In-Line)
Contact Type	Female Socket
Features	Closed End

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 103975-7 is determined by the following critical parameters:

Primary Compatibility Criteria:

Connector type: Receptacle
Number of positions: 8
Pitch: 0.100" (2.54mm)
Cable termination method: IDC
Mounting configuration: Free Hanging (In-Line)
Contact type: Female Socket
Features: Closed End

Secondary Variation Parameters:

Wire gauge: 22 AWG, 24 AWG, 26 AWG, or 28 AWG
Contact finish: Gold or Tin
Contact finish thickness: 15.0µin (0.38µm), 30.0µin (0.76µm), or 150.0µin (3.81µm)

All listed substitute parts maintain identical primary compatibility criteria. Variations in wire gauge and contact finish thickness allow selection based on specific application requirements and compliance needs. The original part supports 22-26 AWG; substitutes extend this range to include 28 AWG options.

Parameter Comparison

Part Number	Manufacturer	Series	Positions	Pitch	Wire Gauge	Contact Finish	Finish Thickness	Product Status	RoHS Status	Inventory
103975-7	TE Connectivity	AMPMODU MTE	8	0.100" (2.54mm)	22-26 AWG	Gold	15.0µin (0.38µm)	Obsolete	RoHS non-compliant	983 Pcs
0014562083	Molex	SL 70400	8	0.100" (2.54mm)	26 AWG	Gold	15.0µin (0.38µm)	Active	ROHS3 Compliant	883 Pcs
0014562085	Molex	SL 70400	8	0.100" (2.54mm)	28 AWG	Gold	15.0µin (0.38µm)	Active	ROHS3 Compliant	1125 Pcs
0014562087	Molex	SL 70400	8	0.100" (2.54mm)	24 AWG	Gold	30.0µin (0.76µm)	Active	ROHS3 Compliant	868 Pcs
0014562089	Molex	SL 70400	8	0.100" (2.54mm)	26 AWG	Gold	30.0µin (0.76µm)	Active	ROHS3 Compliant	1138 Pcs
0014563082	Molex	SL 70400	8	0.100" (2.54mm)	28 AWG	Gold	30.0µin (0.76µm)	Active	ROHS3 Compliant	848 Pcs
0014566089	Molex	SL 70400	8	0.100" (2.54mm)	22 AWG	Tin	150.0µin (3.81µm)	Active	ROHS3 Compliant	1119 Pcs
0014567084	Molex	SL 70400	8	0.100" (2.54mm)	22 AWG	Gold	15.0µin (0.38µm)	Active	ROHS3 Compliant	906 Pcs
0014567089	Molex	SL 70400	8	0.100" (2.54mm)	22 AWG	Gold	30.0µin (0.76µm)	Active	ROHS3 Compliant	988 Pcs
0014600083	Molex	SL 70400	8	0.100" (2.54mm)	26 AWG	Tin	150.0µin (3.81µm)	Active	ROHS3 Compliant	1102 Pcs
0014600085	Molex	SL 70400	8	0.100" (2.54mm)	28 AWG	Tin	150.0µin (3.81µm)	Active	ROHS3 Compliant	808 Pcs

Engineering Selection Recommendations

For RoHS3 Compliance Requirements: All Molex SL 70400 series substitutes (0014562083, 0014562085, 0014562087, 0014562089, 0014563082, 0014566089, 0014567084, 0014567089, 0014600083, 0014600085) are ROHS3 compliant, whereas the original TE Connectivity 103975-7 is RoHS non-compliant. Selection of any Molex substitute satisfies modern regulatory compliance standards.

For Wire Gauge Compatibility: The original part 103975-7 accommodates 22-26 AWG wire. Direct gauge-matched substitutes are available:

22 AWG: Molex 0014567084 (Gold, 15.0µin), 0014567089 (Gold, 30.0µin), 0014566089 (Tin, 150.0µin)
24 AWG: Molex 0014562087 (Gold, 30.0µin)
26 AWG: Molex 0014562083 (Gold, 15.0µin), 0014562089 (Gold, 30.0µin), 0014600083 (Tin, 150.0µin)

For Contact Finish Selection: Gold-plated options maintain the original contact finish specification. Tin-plated alternatives (0014566089, 0014600083, 0014600085) provide cost-effective substitution with increased contact finish thickness (150.0µin versus 15.0µin or 30.0µin).

For Extended Wire Gauge Support: Molex substitutes include 28 AWG options (0014562085, 0014563082, 0014600085) not available in the original part specification, enabling broader application flexibility.

Frequently Asked Questions (FAQ)

Q: Can Molex SL 70400 series connectors directly replace the TE Connectivity 103975-7?

A: Yes. All listed Molex substitutes maintain identical connector type, position count, pitch, IDC termination method, mounting configuration, and contact type. Physical and electrical compatibility is established across all substitute options.

Q: What is the significance of contact finish thickness variation (15.0µin, 30.0µin, 150.0µin)?

A: Contact finish thickness affects durability and corrosion resistance. The original part specifies 15.0µin (0.38µm) gold plating. Molex substitutes offer 30.0µin (0.76µm) gold or 150.0µin (3.81µm) tin finishes. Higher thickness provides extended service life in corrosive environments. Selection depends on application environmental conditions and expected connector mating cycles.

Q: Are there wire gauge restrictions when substituting?

A: The original part supports 22-26 AWG. Molex substitutes are available for 22 AWG, 24 AWG, 26 AWG, and 28 AWG. Selection must match the ribbon cable or discrete wire gauge used in the application. Using a connector rated for a different gauge than the installed cable creates improper contact pressure and connection reliability issues.

Q: What is the difference between gold and tin contact finishes?

A: Gold provides superior corrosion resistance and lower contact resistance, suitable for high-reliability applications. Tin offers cost reduction with adequate performance for standard industrial applications. Both finishes are electrically compatible with standard IDC termination processes. Contact finish selection depends on application environment and cost constraints.

Q: Why is RoHS compliance important for this substitution?

A: The original TE Connectivity 103975-7 is RoHS non-compliant. All Molex substitutes are ROHS3 compliant, meeting current regulatory requirements for electronic equipment sold in regulated markets. New designs and systems requiring regulatory certification must use RoHS-compliant components.

Q: Can the 28 AWG Molex options be used if the original specification calls for 22-26 AWG?

A: No. Wire gauge must match the installed cable specification. Using a connector rated for 28 AWG with 22-26 AWG cable results in inadequate contact pressure and connection failure. Conversely, using a 22 AWG connector with 28 AWG cable causes excessive contact pressure and potential wire damage.

Q: What is the packaging format for substitute parts?

A: All Molex SL 70400 series substitutes are supplied in tube packaging, suitable for automated assembly and manual component handling.

Q: Are all substitute parts currently in active production?

A: Yes. All listed Molex substitutes maintain active product status, ensuring long-term availability and supply chain reliability. The original TE Connectivity part is obsolete.

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