TE Connectivity 647477-6 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 647477-6 is a 6-position rectangular receptacle connector from the MTA-100 series, designed for IDC (Insulation Displacement Contact) termination with 22 AWG wire. This connector features gold-plated female socket contacts, a locking ramp fastening mechanism, and supports both discrete and ribbon cable configurations. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure supply chain availability for new production and field service applications.

Key Parameters

Parameter	Specification
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	6
Pitch	0.100" (2.54mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line), Right Angle
Fastening Type	Locking Ramp
Cable Termination	IDC
Wire Gauge	22 AWG
Contact Finish	Gold
Contact Finish Thickness	15.0µin (0.38µm)
Series	MTA-100

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 647477-6 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications for connector type, contact configuration, position count, pitch, mounting orientation, fastening mechanism, termination method, wire gauge compatibility, and contact material properties. The primary distinction between the main part and its substitute is product status and compliance certification. The substitute part 3-647477-6 satisfies all functional and dimensional requirements while offering active product status and RoHS compliance, making it the direct equivalent for new applications and replacement scenarios.

Key Parameters Governing Substitution:

Connector Type: Receptacle
Number of Positions: 6
Pitch: 0.100" (2.54mm)
Cable Termination: IDC
Wire Gauge: 22 AWG
Contact Finish: Gold at 15.0µin thickness
Fastening Type: Locking Ramp
Mounting Type: Free Hanging (In-Line), Right Angle

Parameter Comparison

Parameter	647477-6 (Main Part)	3-647477-6 (Substitute)
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors
Series	MTA-100	MTA-100
Connector Type	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket
Number of Positions	6	6
Pitch	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	1	1
Mounting Type	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line), Right Angle
Fastening Type	Locking Ramp	Locking Ramp
Cable Termination	IDC	IDC
Wire Type	Discrete or Ribbon Cable	Discrete or Ribbon Cable
Wire Gauge	22 AWG	22 AWG
Features	Feed Through	Feed Through
Contact Finish	Gold	Gold
Contact Finish Thickness	15.0µin (0.38µm)	15.0µin (0.38µm)
Color	Red	Red
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.69.8000	8536.69.8000

Engineering Selection Recommendations

The substitute part 3-647477-6 is the direct functional equivalent of the obsolete 647477-6. Both components share identical electrical and mechanical specifications, including connector architecture, contact configuration, termination method, and wire gauge compatibility. The primary advantages of selecting the 3-647477-6 are its active product status and RoHS compliance certification. For new designs and production applications, the 3-647477-6 is the appropriate selection. For legacy system maintenance where the original 647477-6 is specified, the 3-647477-6 provides full compatibility without design modification. Both parts maintain identical MSL ratings and export classifications, ensuring equivalent handling and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the 3-647477-6 be used as a direct replacement for the 647477-6 in existing designs?

A: Yes. The 3-647477-6 is a direct functional equivalent with identical connector type, position count, pitch, mounting configuration, fastening mechanism, termination method, wire gauge, and contact finish specifications. No design modification is required for substitution.

Q: What is the difference between part numbers 647477-6 and 3-647477-6?

A: Both parts are from the TE Connectivity MTA-100 series with identical functional specifications. The primary differences are product status (647477-6 is obsolete; 3-647477-6 is active) and compliance certification (647477-6 is RoHS non-compliant; 3-647477-6 is RoHS compliant). The 3-647477-6 includes bulk packaging.

Q: Are there any electrical performance differences between these parts?

A: No. Both parts maintain identical contact finish (gold at 15.0µin thickness), wire gauge compatibility (22 AWG), and IDC termination specifications. Electrical performance characteristics are equivalent.

Q: What packaging options are available?

A: The 647477-6 is available in standard packaging. The 3-647477-6 is supplied in bulk packaging, which may affect ordering quantities and logistics considerations.

Q: Can these connectors accommodate both discrete and ribbon cable?

A: Yes. Both the 647477-6 and 3-647477-6 support discrete or ribbon cable configurations with 22 AWG wire gauge through IDC termination.

Q: Are there any compliance or regulatory differences?

A: The 3-647477-6 is RoHS compliant, while the 647477-6 is RoHS non-compliant. Both parts share identical ECCN (EAR99) and HTSUS (8536.69.8000) classifications. The 3-647477-6 is the appropriate choice for applications requiring RoHS compliance.

Q: What is the moisture sensitivity level for these connectors?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or use.

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