A3B-6D-2C Rectangular Connector Housing - Equivalent & Substitute Parts

Part Overview

The A3B-6D-2C is a 6-position rectangular connector housing manufactured by Hirose Electric Co Ltd, designed for applications requiring 2.00mm pitch receptacle connections with crimp termination. This part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing production and maintenance applications. The connector features a black housing with female socket contacts arranged in a 2-row configuration and is RoHS compliant with MSL 1 rating.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	6
Pitch	0.079" (2.00mm)
Number of Rows	2
Row Spacing	0.079" (2.00mm)
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the A3B-6D-2C are qualified based on matching the following critical parameters: 6-position receptacle configuration, 2.00mm pitch, 2-row arrangement with identical row spacing, female socket contacts, crimp termination, free hanging mounting, and MSL 1 rating. All identified substitutes maintain these core electrical and mechanical specifications, ensuring functional compatibility in applications originally designed for the A3B-6D-2C.

The three active substitute parts identified—0511100650 (Molex), 1470107-6 (TE Connectivity), and 69307-006LF (Amphenol ICC)—each represent different manufacturer series within the same connector class and meet the parametric requirements for direct substitution.

Parameter Comparison

Parameter	A3B-6D-2C (Hirose)	0511100650 (Molex)	1470107-6 (TE Connectivity)	69307-006LF (Amphenol ICC)
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket
Number of Positions	6	6	6	6
Pitch	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2	2	2
Row Spacing	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp	Crimp	Crimp
Color	Black	Black	White	Black
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

For applications currently using the A3B-6D-2C, the following active substitutes are available:

0511100650 (Molex Milli-Grid 51110) is recommended as the primary substitute. This part maintains full parametric equivalence with the original design, offers the highest current inventory availability (42,568 units), and carries ROHS3 compliance with extended operating temperature range (-40°C to 105°C). The polyester glass-filled insulation material provides robust environmental performance.

69307-006LF (Amphenol ICC Minitek® MezzSelect™) serves as an alternative substitute with active product status and substantial inventory (2,820 units). This part features polyamide glass-filled insulation and matches the original operating temperature range (-40°C to 105°C). REACH affected status should be evaluated against specific application requirements.

1470107-6 (TE Connectivity HPI) is available as a secondary option with lower inventory (637 units) and operates within a narrower temperature range (-25°C to 85°C). The white housing color differs from the original black specification. This part is suitable for applications where the narrower temperature range and color variation are acceptable.

Frequently Asked Questions (FAQ)

Q: Can 0511100650 be used as a direct replacement for A3B-6D-2C? A: Yes. Both parts share identical electrical and mechanical specifications: 6-position receptacle, 2.00mm pitch, 2-row configuration, female socket contacts, crimp termination, and MSL 1 rating. The Molex part is actively manufactured and maintains full compatibility.

Q: What is the primary difference between the three substitute options? A: All three substitutes meet the core parametric requirements. Key differences include: 0511100650 offers the widest operating temperature range and highest availability; 69307-006LF provides polyamide insulation with REACH considerations; 1470107-6 features a white housing and narrower temperature range. Selection depends on application-specific environmental and compliance requirements.

Q: Does the housing color difference in 1470107-6 affect electrical compatibility? A: No. Housing color is a cosmetic parameter that does not affect electrical function or mechanical compatibility. Selection of 1470107-6 is valid if color variation is acceptable for the application.

Q: Are contacts included with these connector housings? A: No. All parts listed—A3B-6D-2C, 0511100650, 1470107-6, and 69307-006LF—are housings only. Contacts must be sourced separately and are not included in the package.

Q: What is the significance of MSL 1 rating for these parts? A: MSL 1 (Unlimited) indicates these connectors have unlimited shelf life and require no special moisture control during storage or handling. This applies to all parts in this comparison.

Q: Which substitute has the best long-term availability? A: 0511100650 (Molex) demonstrates the strongest availability position with 42,568 units in current inventory and active product status, making it the most reliable choice for ongoing production requirements.

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