3M 3425-6050 Equivalent & Substitute Parts

Part Overview

The 3M 3425-6050 is a 50-position rectangular receptacle connector with IDC (Insulation Displacement Contact) termination, designed for ribbon cable applications with wire gauges from 26-30 AWG. This connector features gold-plated contacts, feed-through capability, and strain relief, making it suitable for high-density interconnect applications requiring reliable signal transmission. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across manufacturers while meeting the same compliance and performance standards.

Key Parameters

Parameter	Specification
Connector Type	Receptacle
Number of Positions	50
Pitch	0.100" (2.54mm)
Number of Rows	2
Row Spacing	0.100" (2.54mm)
Cable Termination	IDC
Wire Type	Ribbon Cable
Wire Gauge	26-30 AWG
Contact Finish	Gold
Mounting Type	Free Hanging (In-Line)
Features	Feed Through, Strain Relief
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 3M 3425-6050 is determined by the following critical parameters:

Primary Matching Criteria:

Connector type: Receptacle
Number of positions: 50
Pitch: 0.100" (2.54mm)
Number of rows: 2
Row spacing: 0.100" (2.54mm)
Cable termination: IDC
Wire type: Ribbon Cable
Contact finish: Gold
Mounting type: Free Hanging (In-Line)

Secondary Compatibility Parameters:

Wire gauge range: 26-30 AWG (substitutes may support 26-28 AWG or 28-30 AWG subsets)
Contact type: Female Socket or Forked contacts
Features: Feed Through capability required; Strain Relief and Polarizing Key are compatible enhancements
Compliance: RoHS3 compliance required; MSL 1 rating required

All identified substitute parts maintain the core electrical and mechanical interface specifications, ensuring mechanical fit and electrical performance compatibility with applications designed for the 3M 3425-6050.

Parameter Comparison

Parameter	3M 3425-6050	HARTING 09185506813	HARTING 09185507813	TE Connectivity 1-1658620-0	Amphenol ICC 66900-050LF	Amphenol ICC 71600-250LF
Manufacturer	3M	HARTING	HARTING	TE Connectivity AMP Connectors	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Number of Positions	50	50	50	50	50	50
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2	2	2	2	2
Row Spacing	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Wire Gauge	26-30 AWG	26-28 AWG	26-28 AWG	26-28 AWG	28-30 AWG	28-30 AWG
Cable Termination	IDC	IDC	IDC	IDC	IDC	IDC
Wire Type	Ribbon Cable	Ribbon Cable	Ribbon Cable	Ribbon Cable	Ribbon Cable	Ribbon Cable
Contact Type	Female Socket	Female Socket	Female Socket	Forked	Female Socket	Female Socket
Contact Finish	Gold	Gold	Gold	Gold	Gold, GXT™	Gold
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Features	Feed Through, Strain Relief	Feed Through, Polarizing Key, Strain Relief	Feed Through, Polarizing Key, Strain Relief	Feed Through	Feed Through, Strain Relief	Feed Through, Polarizing Key, Strain Relief
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status and meet or exceed the compliance requirements of the 3M 3425-6050. Selection among substitutes should be based on wire gauge compatibility with the specific application:

For applications using 26-30 AWG ribbon cable: The 3M 3425-6050 provides full wire gauge coverage. Substitutes with 26-28 AWG or 28-30 AWG ranges are compatible only when the actual ribbon cable gauge falls within the substitute's specified range.

HARTING 09185506813 and 09185507813: Both support 26-28 AWG wire gauge and include polarizing key features. ROHS3 compliance is confirmed. These parts are suitable for applications requiring wire gauges within the 26-28 AWG range.

TE Connectivity 1-1658620-0: Supports 26-28 AWG wire gauge with forked contact type. ROHS3 compliance is confirmed. This part is suitable for applications requiring wire gauges within the 26-28 AWG range and compatible with forked contact interfaces.

Amphenol ICC 66900-050LF and 71600-250LF: Both support 28-30 AWG wire gauge. RoHS compliance is confirmed. The 71600-250LF includes a polarizing key feature. These parts are suitable for applications requiring wire gauges within the 28-30 AWG range.

All substitute parts maintain the same pitch, row configuration, IDC termination method, and free-hanging mounting type as the original part, ensuring mechanical and electrical compatibility within their respective wire gauge specifications.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different wire gauge range than my original application?

A: Wire gauge compatibility is determined by the actual ribbon cable used in your application. If your ribbon cable is 28 AWG, you may use any substitute supporting 28 AWG, including those rated for 26-28 AWG or 28-30 AWG ranges. If your ribbon cable is 26 AWG, you must use a substitute supporting 26 AWG, such as the HARTING or TE Connectivity options. The 3M 3425-6050 supports the full 26-30 AWG range; substitutes with narrower ranges are compatible only when the actual cable gauge falls within that range.

Q: What is the difference between female socket and forked contact types?

A: Both contact types are designed for IDC termination into ribbon cable. Female socket contacts and forked contacts provide different mechanical engagement profiles with mating connectors. The TE Connectivity 1-1658620-0 uses forked contacts, while other substitutes use female socket contacts. Selection depends on the mating connector type specified in your application.

Q: Do all substitute parts include strain relief?

A: The 3M 3425-6050, Amphenol ICC 66900-050LF, and Amphenol ICC 71600-250LF all include strain relief. The HARTING 09185506813 and 09185507813 do not list strain relief in their feature set. The TE Connectivity 1-1658620-0 does not include strain relief. If strain relief is required for your application, select from the 3M original or the Amphenol ICC options.

Q: Are polarizing keys available on all substitute parts?

A: Polarizing keys are included on HARTING 09185506813, HARTING 09185507813, and Amphenol ICC 71600-250LF. The 3M 3425-6050, TE Connectivity 1-1658620-0, and Amphenol ICC 66900-050LF do not include polarizing keys. Polarizing keys provide keyed mating to prevent incorrect connector orientation.

Q: What is the difference between ROHS3 and RoHS compliance?

A: ROHS3 compliance indicates adherence to the most current RoHS directive requirements. The 3M 3425-6050 and all HARTING and TE Connectivity substitutes are ROHS3 compliant. The Amphenol ICC 66900-050LF and 71600-250LF are RoHS compliant but not specifically designated as ROHS3. Both compliance levels meet environmental and hazardous substance restrictions; ROHS3 represents the latest regulatory standard.

Q: Can I mix substitute parts from different manufacturers in the same application?

A: All substitute parts maintain identical pitch, row configuration, and mounting specifications, allowing them to be used interchangeably within the same connector interface. However, wire gauge compatibility must be verified for each part based on your actual ribbon cable specification. Mixing parts with different wire gauge ratings in a single application is not recommended unless each part is used with ribbon cable matching its specified gauge range.

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