Molex 0879144016 Equivalent & Substitute Parts

Part Overview

The Molex 0879144016 is a rectangular connector header designed for through-hole mounting applications. This connector features 40 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, suitable for board-to-board or cable interconnections. The part is currently in active product status with 806 units in stock. Equivalent and substitute parts are identified to provide design flexibility, support obsolescence management, and accommodate varying application requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	0879144016
Manufacturer	Molex
Series	C-Grid 87914
Connector Type	Header, Breakaway
Number of Positions	40
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Contact Type	Male Pin
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Shrouding	Unshrouded
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the Molex 0879144016 are qualified based on the following critical parameters that determine functional interchangeability:

Primary Matching Criteria:

Number of Positions: 40
Number of Rows: 2
Pitch - Mating: 0.100" (2.54mm)
Row Spacing - Mating: 0.100" (2.54mm)
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Shrouding: Unshrouded
Material Flammability Rating: UL94 V-0

Identified Substitute Parts:

Amphenol ICC (FCI) 77313-101-40LF — Active product status, RoHS Compliant, BERGSTIK® series. Meets all primary matching criteria with equivalent electrical and mechanical specifications.
Harwin Inc. M20-9762046 — Active product status, ROHS3 Compliant, M20 series. Meets all primary matching criteria with equivalent electrical and mechanical specifications.
Amphenol ICC (FCI) 67997-440 — Obsolete product status, RoHS non-compliant, BERGSTIK® II series. Meets primary matching criteria but presents compliance and availability considerations.

Parameter Comparison

Parameter	Molex 0879144016	Amphenol ICC 77313-101-40LF	Harwin M20-9762046	Amphenol ICC 67997-440
Manufacturer	Molex	Amphenol ICC (FCI)	Harwin Inc.	Amphenol ICC (FCI)
Series	C-Grid 87914	BERGSTIK®	M20	BERGSTIK® II
Product Status	Active	Active	Active	Obsolete
Number of Positions	40	40	40	40
Number of Rows	2	2	2	2
Pitch - Mating	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)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Connector Type	Header, Breakaway	Header, Breakaway	Header, Cuttable	Header
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Contact Length - Mating	0.230" (5.84mm)	0.230" (5.84mm)	0.228" (5.80mm)	0.230" (5.84mm)
Contact Length - Post	0.110" (2.79mm)	0.095" (2.41mm)	0.122" (3.10mm)	0.120" (3.05mm)
Overall Contact Length	0.430" (10.92mm)	0.425" (10.80mm)	0.452" (11.48mm)	0.450" (11.43mm)
Insulation Height	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square
Contact Finish - Mating	Tin	Gold or Gold, GXT™	Tin	Tin
Contact Material	Copper Alloy	Phosphor Bronze	Brass	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Polyamide (PA6T), Nylon 6T	Not specified
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black
Current Rating (Amps)	Not specified	3A per Contact	3A per Contact	3A
Operating Temperature	Not specified	-65°C ~ 130°C	-40°C ~ 105°C	-65°C ~ 130°C
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	RoHS non-compliant
REACH Status	REACH Unaffected	REACH Affected	REACH Unaffected	REACH Affected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: Amphenol ICC (FCI) 77313-101-40LF

The 77313-101-40LF is the preferred substitute for new designs and ongoing production. This part maintains active product status, is RoHS Compliant, and meets all critical electrical and mechanical parameters. The BERGSTIK® series offers proven reliability in high-volume applications. Minor dimensional variations in contact post length (0.095" versus 0.110") and insulation height (0.100" versus 0.090") are within acceptable tolerances for standard through-hole PCB applications. The gold mating contact finish provides enhanced corrosion resistance compared to the tin finish of the primary part.

Secondary Recommendation: Harwin Inc. M20-9762046

The M20-9762046 is suitable as an alternative substitute. This part maintains active product status and ROHS3 Compliance. The M20 series features a cuttable header design, providing additional flexibility for applications requiring custom breakaway configurations. The operating temperature range (-40°C ~ 105°C) is narrower than the Amphenol ICC option but remains suitable for general-purpose, automotive, and telecommunications applications. Contact post length (0.122") is slightly longer than the primary part, which may require PCB layout consideration.

Obsolete Alternative: Amphenol ICC (FCI) 67997-440

The 67997-440 is classified as obsolete and is not recommended for new designs. This part is RoHS non-compliant and presents regulatory and long-term availability risks. Use of this part should be limited to legacy system maintenance or repair applications where the original specification is mandatory. Current inventory availability (887 units) does not guarantee future supply.

Frequently Asked Questions (FAQ)

Q: Are these substitute parts pin-compatible with the Molex 0879144016?

A: Yes. All substitute parts maintain identical 40-position, 2-row configuration with 0.100" (2.54mm) pitch spacing and male pin contact type. Pin-to-pin compatibility is assured for standard through-hole PCB applications.

Q: What are the key dimensional differences between the main part and substitutes?

A: Contact post length and overall contact length vary slightly across parts. The Molex 0879144016 has a 0.110" post length, while the Amphenol ICC 77313-101-40LF has 0.095" and the Harwin M20-9762046 has 0.122". These variations are within acceptable tolerances for standard PCB mounting. Insulation height also differs: Molex is 0.090" while substitutes are 0.100". These dimensional differences do not affect electrical performance in typical applications.

Q: Which substitute part offers the best compliance profile?

A: The Amphenol ICC (FCI) 77313-101-40LF offers the strongest compliance position with RoHS Compliance and active product status. The Harwin M20-9762046 is also compliant (ROHS3) and active. The Amphenol ICC 67997-440 is obsolete and RoHS non-compliant and should not be selected for new designs.

Q: What is the difference between "Breakaway" and "Cuttable" connector types?

A: Both designations indicate the header can be separated into individual pins or smaller groups. Breakaway typically refers to pre-scored sections, while cuttable indicates the header can be cut at any position. Both designs provide equivalent functionality for applications requiring custom pin configurations.

Q: Are there packaging differences between these parts?

A: Yes. The Molex 0879144016 is supplied in Tray packaging, the Amphenol ICC 77313-101-40LF in Bulk, and the Harwin M20-9762046 in Bulk. Packaging does not affect electrical or mechanical performance but may influence procurement and handling procedures.

Q: Can I use the Amphenol ICC 67997-440 in production?

A: The 67997-440 is obsolete and RoHS non-compliant. It is not recommended for new production designs. Use is limited to legacy system support or repair applications where the original specification is mandatory and regulatory compliance is not required.

Q: What contact finish options are available?

A: The Molex 0879144016 features tin finish on mating contacts. The Amphenol ICC 77313-101-40LF offers gold or gold GXT™ finish on mating contacts, providing superior corrosion resistance. The Harwin M20-9762046 and Amphenol ICC 67997-440 both feature tin finish. Contact finish selection depends on application environment and corrosion resistance requirements.

Q: Are all substitute parts rated for the same current and temperature ranges?

A: Current ratings are specified for the Amphenol ICC 77313-101-40LF (3A per contact) and Harwin M20-9762046 (3A per contact), but not for the Molex 0879144016. Operating temperature ranges differ: Amphenol ICC 77313-101-40LF operates -65°C ~ 130°C, Harwin M20-9762046 operates -40°C ~ 105°C, and Amphenol ICC 67997-440 operates -65°C ~ 130°C. Application temperature requirements should guide part selection.

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