HIF6-40D-1.27R Equivalent & Substitute Parts

Part Overview

The HIF6-40D-1.27R is a 40-position rectangular receptacle connector manufactured by Hirose Electric Co Ltd, designed for IDC (Insulation Displacement Connector) ribbon cable termination with 28 AWG wire gauge and gold-plated contacts. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations where compatibility is required.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	40
Pitch	0.050" (1.27mm)
Number of Rows	2
Row Spacing	0.100" (2.54mm)
Cable Termination	IDC
Wire Gauge	28 AWG
Contact Finish	Gold
Features	Feed Through, Strain Relief
Mounting Type	Free Hanging (In-Line)
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the HIF6-40D-1.27R is determined by the following critical parameters that must remain constant:

Connector Type & Position Count: Receptacle configuration with 40 positions
Pitch & Row Configuration: 0.050" (1.27mm) pitch with 2-row, 0.100" (2.54mm) row spacing
Termination Method: IDC ribbon cable termination
Contact System: Female socket with gold plating
Mounting Configuration: Free hanging in-line mounting

Wire gauge (28 AWG vs. 30 AWG) represents a permissible variation within IDC connector design parameters, as both gauges are compatible with the same contact geometry and pitch specifications. This variation accommodates different ribbon cable constructions while maintaining electrical and mechanical compatibility.

Parameter Comparison

Parameter	HIF6-40D-1.27R	HIF6-40D-1.27R(20)	82040-6006RB
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	3M
Product Status	Obsolete	Active	Obsolete
Connector Type	Receptacle	Receptacle	Receptacle
Number of Positions	40	40	40
Pitch	0.050" (1.27mm)	0.050" (1.27mm)	0.050" (1.27mm)
Number of Rows	2	2	2
Row Spacing	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Cable Termination	IDC	IDC	IDC
Wire Gauge	28 AWG	28 AWG	30 AWG
Contact Finish	Gold	Gold	Gold
Features	Feed Through, Strain Relief	Feed Through, Strain Relief	Feed Through, Strain Relief
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Type	Female Socket	Female Socket	Female Socket
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
REACH Status	Not specified	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

HIF6-40D-1.27R(20) is the primary substitute for the obsolete HIF6-40D-1.27R. Both connectors are manufactured by Hirose Electric Co Ltd with identical electrical and mechanical specifications. The HIF6-40D-1.27R(20) maintains active product status and carries ROHS3 compliance and REACH unaffected certification, making it suitable for new designs and ongoing production requirements.

82040-6006RB (3M) is an alternative substitute that maintains all critical connector parameters including pitch, row configuration, position count, and IDC termination method. The wire gauge specification of 30 AWG is compatible with the same contact geometry. This connector is also ROHS3 compliant and REACH unaffected. However, the 82040-6006RB is classified as obsolete, limiting its suitability for long-term production applications.

For new designs and systems requiring long-term component availability, HIF6-40D-1.27R(20) is the recommended selection due to its active product status and full regulatory compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can the HIF6-40D-1.27R be directly replaced with HIF6-40D-1.27R(20)?

A: Yes. Both connectors share identical electrical and mechanical specifications. The primary difference is packaging (tray vs. unspecified) and product status (active vs. obsolete). The HIF6-40D-1.27R(20) is the direct equivalent.

Q: What is the significance of the wire gauge difference between 28 AWG and 30 AWG?

A: Both 28 AWG and 30 AWG ribbon cables are compatible with the same IDC contact geometry and 0.050" (1.27mm) pitch specification. The wire gauge difference reflects different ribbon cable constructions while maintaining mechanical and electrical compatibility with the connector contact system.

Q: Is the 82040-6006RB suitable for new production designs?

A: The 82040-6006RB maintains all critical connector parameters and regulatory compliance (ROHS3, REACH unaffected). However, its obsolete product status may limit long-term availability. For new designs requiring sustained component supply, HIF6-40D-1.27R(20) is the preferred selection.

Q: Are there packaging considerations when selecting a substitute?

A: Yes. HIF6-40D-1.27R(20) is supplied in tray packaging, while the original HIF6-40D-1.27R packaging is unspecified. Verify that tray packaging meets your procurement and handling requirements before implementation.

Q: Do all substitute parts meet the same regulatory requirements?

A: HIF6-40D-1.27R(20) and 82040-6006RB both carry ROHS3 compliance and REACH unaffected certification. The original HIF6-40D-1.27R does not have specified compliance documentation. For applications requiring regulatory compliance verification, use HIF6-40D-1.27R(20) or 82040-6006RB.

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