78286-440HLF Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 78286-440HLF is a vertical rectangular connector header manufactured by Amphenol ICC (FCI) in the BERGSTIK® II series. This through-hole component features 40 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, designed for board-to-board applications. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity. Active alternatives from major manufacturers provide functional equivalence while maintaining compatibility with the original electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	78286-440HLF
Manufacturer	Amphenol ICC (FCI)
Series	BERGSTIK® II
Product Status	Obsolete
Connector Type	Header
Contact Type	Male Pin
Number of Positions	40
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 78286-440HLF is determined by strict adherence to the following core parameters:

Pitch - Mating: 0.100" (2.54mm) - mandatory for mechanical compatibility
Number of Positions: 40 - required for circuit connectivity
Number of Rows: 2 - essential for board layout compatibility
Row Spacing - Mating: 0.100" (2.54mm) - critical for mating interface
Connector Type: Header - functional classification
Contact Type: Male Pin - electrical interface requirement
Mounting Type: Through Hole - PCB assembly method
Termination: Solder - connection method
Fastening Type: Push-Pull - mechanical engagement mechanism
Material Flammability Rating: UL94 V-0 - safety compliance

All identified substitute parts meet these mandatory parameters. Variations in contact finish, contact material, insulation material, and operating temperature ranges do not preclude substitution when the core parameters align. Contact length variations and finish thickness differences are acceptable within standard engineering tolerances for this connector category.

Parameter Comparison

Parameter	78286-440HLF (Main)	0901310140 (Molex)	2-87215-0 (TE)	2-87227-0 (TE)	7-146250-0 (TE)	7-146253-0 (TE)	M20-9762042 (Harwin)	MTSW-120-23-L-D-240 (Samtec)
Manufacturer	Amphenol ICC	Molex	TE Connectivity	TE Connectivity	TE Connectivity	TE Connectivity	Harwin Inc.	Samtec Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Series	BERGSTIK® II	C-Grid III 90131	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	M20	Flex Stack, MTSW
Connector Type	Header	Header, Breakaway	Header	Header	Header, Breakaway	Header, Breakaway	Header, Cuttable	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	40	40	40	40	40	40	40	40
Number of Rows	2	2	2	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Square	Square	Circular	Square	Square	Square	Square	Square
Contact Finish - Mating	Tin	Tin	Gold	Gold	Tin	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Brass	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Brass	Phosphor Bronze
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Operating Temperature	Not specified	Not specified	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-40°C ~ 105°C	-55°C ~ 125°C
Current Rating (Amps)	Not specified	Not specified	3A	3A	3A	3A	3A per Contact	3A

Engineering Selection Recommendations

All substitute parts listed are active products from established connector manufacturers with full RoHS compliance certifications. The 78286-440HLF, being obsolete, has no ongoing manufacturing or support pathway. Selection among active alternatives should prioritize:

Primary Recommendation: Parts with ROHS3 Compliant or RoHS Compliant status ensure regulatory alignment for new designs and procurement continuity. All listed substitutes meet this requirement.

Compliance Considerations: The 0901310140 (Molex C-Grid III), 2-87227-0 (TE AMPMODU Mod II), 7-146250-0 (TE AMPMODU Mod II), 7-146253-0 (TE AMPMODU Mod II), M20-9762042 (Harwin M20), and MTSW-120-23-L-D-240 (Samtec Flex Stack) all carry ROHS3 Compliant or RoHS Compliant designations with UL94 V-0 flammability ratings matching the original specification.

Temperature Range: Applications requiring extended operating temperature ranges benefit from MTSW-120-23-L-D-240 (-55°C ~ 125°C) or M20-9762042 (-40°C ~ 105°C). Standard applications are adequately served by TE Connectivity AMPMODU Mod II variants (-65°C ~ 105°C).

Contact Finish: Gold-plated contacts (2-87215-0, 2-87227-0, 7-146253-0, M20-9762042, MTSW-120-23-L-D-240) provide enhanced corrosion resistance compared to tin-plated alternatives (0901310140, 7-146250-0).

Frequently Asked Questions (FAQ)

Q: Can the 78286-440HLF be directly replaced with any of these substitute parts?

A: Yes. All listed substitute parts maintain the critical parameters: 40 positions, 2 rows, 0.100" (2.54mm) pitch, 0.100" (2.54mm) row spacing, through-hole mounting, solder termination, and push-pull fastening. These parameters ensure mechanical and electrical compatibility with existing PCB designs and mating connectors.

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

A: Contact finish affects corrosion resistance and contact reliability. Tin-plated contacts (0901310140, 7-146250-0) are suitable for standard applications with moderate environmental exposure. Gold-plated contacts (2-87215-0, 2-87227-0, 7-146253-0, M20-9762042, MTSW-120-23-L-D-240) provide superior corrosion resistance and are preferred for applications with extended storage, high humidity, or demanding environmental conditions.

Q: Are breakaway and cuttable connector types compatible with the original design?

A: Breakaway and cuttable variants (0901310140, 7-146250-0, 7-146253-0, M20-9762042, MTSW-120-23-L-D-240) maintain full electrical and mechanical compatibility with the original 78286-440HLF. These features provide additional design flexibility by allowing individual position separation or custom length configuration without affecting mating interface specifications.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. These connectors can be stored indefinitely without special humidity control or desiccant packaging, simplifying inventory management and supply chain logistics.

Q: Which substitute offers the widest operating temperature range?

A: The MTSW-120-23-L-D-240 (Samtec) operates from -55°C to 125°C, providing the broadest temperature envelope. This is suitable for applications in extreme thermal environments. Standard applications are adequately served by TE Connectivity AMPMODU Mod II variants rated -65°C to 105°C.

Q: Are all substitutes RoHS compliant?

A: Yes. All substitute parts carry either ROHS3 Compliant or RoHS Compliant certifications, ensuring regulatory compliance for modern electronics manufacturing and end-of-life recycling requirements.

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