Molex 0879140001 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Molex 0879140001 is a vertical rectangular connector header from the C-Grid 87914 series, designed for through-hole board-to-board or cable applications. This 10-position, 2-row header with 0.100" (2.54mm) pitch provides solder termination with push-pull fastening. The part is currently active in production with 998 units in stock. Equivalent and substitute parts are identified based on matching electrical and mechanical parameters that ensure functional compatibility in standard PCB assembly applications.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	10
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0879140001 are grouped based on strict alignment with the following critical parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 10
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Connector Type: Header
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Material Flammability Rating: UL94 V-0

Substitutes are further categorized by product status (Active vs. Obsolete), RoHS compliance, and contact material composition. Variations in contact length, insulation height, and contact finish thickness are permitted within standard PCB assembly tolerances, provided the mating pitch and position count remain identical.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Pitch (mm)	Positions	Rows	Contact Type	Mounting	Termination	Contact Finish - Mating	Insulation Material	Flammability	RoHS Status	Product Status
0879140001	Molex	C-Grid 87914	2.54	10	2	Male Pin	Through Hole	Solder	Gold	LCP, Glass Filled	UL94 V-0	ROHS3 Compliant	Active
2310-6121-TG	3M	2300	2.54	10	2	Male Pin	Through Hole	Solder	Gold	Thermoplastic, Glass Filled	UL94 V-0	RoHS non-compliant	Active
68602-110HLF	Amphenol ICC (FCI)	BERGSTIK® II	2.54	10	2	Male Pin	Through Hole	Solder	Gold or Gold, GXT™	Not specified	UL94 V-0	RoHS Compliant	Active
68602-210HLF	Amphenol ICC (FCI)	BERGSTIK® II	2.54	10	2	Male Pin	Through Hole	Solder	Gold or Gold, GXT™	Not specified	UL94 V-0	RoHS Compliant	Active
68692-210HLF	Amphenol ICC (FCI)	BERGSTIK® II	2.54	10	2	Male Pin	Through Hole	Solder	Gold or Gold, GXT™	Not specified	UL94 V-0	RoHS Compliant	Active
75844-150-10LF	Amphenol ICC (FCI)	BERGSTIK®	2.54	10	2	Male Pin	Through Hole	Solder	Gold, GXT™	Thermoplastic	UL94 V-0	RoHS Compliant	Obsolete
75844-302-10LF	Amphenol ICC (FCI)	BERGSTIK®	2.54	10	2	Male Pin	Through Hole	Solder	Tin	Thermoplastic	UL94 V-0	RoHS Compliant	Obsolete
77313-103-10LF	Amphenol ICC (FCI)	BERGSTIK®	2.54	10	2	Male Pin	Through Hole	Solder	Gold or Gold, GXT™	Thermoplastic	UL94 V-0	RoHS Compliant	Active
802-10-010-10-001000	Mill-Max Manufacturing Corp.	802	2.54	10	2	Male Pin	Through Hole	Solder	Gold	Polycyclohexylenedimethylene Terephthalate (PCT)	Not specified	ROHS3 Compliant	Active
961210-6404-AR	3M	961	2.54	10	2	Male Pin	Through Hole	Solder	Gold	Thermoplastic	UL94 V-0	RoHS Compliant	Active
HMTSW-105-08-S-D-195	Samtec Inc.	Flex Stack, HMTSW	2.54	10	2	Male Pin	Through Hole	Solder	Gold	Liquid Crystal Polymer (LCP)	UL94 V-0	ROHS3 Compliant	Active

Engineering Selection Recommendations

Active Production Substitutes (Preferred)

For applications requiring RoHS3 compliance and active product status, the following substitutes are recommended:

68602-110HLF, 68602-210HLF, 68692-210HLF (Amphenol ICC FCI BERGSTIK® II series): RoHS Compliant, active status, UL94 V-0 rated. These parts maintain identical pitch and position specifications with variations in contact length and finish thickness within acceptable tolerances.
77313-103-10LF (Amphenol ICC FCI BERGSTIK® series): RoHS Compliant, active status, UL94 V-0 rated, with extended contact post length (0.200") suitable for applications requiring deeper PCB penetration.
802-10-010-10-001000 (Mill-Max Manufacturing Corp. 802 series): ROHS3 Compliant, active status. Features circular contact geometry and brass alloy material composition, providing alternative contact topology while maintaining pitch and position compatibility.
961210-6404-AR (3M 961 series): RoHS Compliant, active status, UL94 V-0 rated. Suitable for general-purpose applications with standard contact geometry.
HMTSW-105-08-S-D-195 (Samtec Inc. Flex Stack series): ROHS3 Compliant, active status, UL94 V-0 rated, LCP insulation material matching the original part specification. Extended contact post length (0.235") for flexible stacking applications.

Obsolete Status Substitutes (Legacy Applications Only)

75844-150-10LF, 75844-302-10LF (Amphenol ICC FCI BERGSTIK® series): RoHS Compliant but obsolete status. Use only when replacement inventory is unavailable and legacy system compatibility is required.

Non-Compliant Substitutes (Restricted Use)

2310-6121-TG (3M 2300 series): RoHS non-compliant. Use only in applications where RoHS compliance is not mandated.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the Molex 0879140001?

A: The critical parameters are 0.100" (2.54mm) mating pitch, 10 positions arranged in 2 rows with 0.100" row spacing, male pin contact type, through-hole mounting, solder termination, and push-pull fastening. All listed substitutes meet these specifications. Variations in contact length, insulation height, and contact finish thickness are acceptable within standard PCB assembly tolerances.

Q: Are there differences in contact material between the main part and substitutes?

A: Yes. The Molex 0879140001 uses copper alloy contacts. Substitutes employ copper alloy (3M 2310-6121-TG, 961210-6404-AR), phosphor bronze (Amphenol ICC FCI BERGSTIK® series), or brass alloy (Mill-Max 802-10-010-10-001000). These material variations do not affect mating compatibility but may influence electrical conductivity and corrosion resistance in specific environments.

Q: Which substitutes maintain the same insulation material as the original part?

A: The Molex 0879140001 uses Liquid Crystal Polymer (LCP) with glass fill. The Samtec HMTSW-105-08-S-D-195 also uses LCP insulation. Other substitutes employ thermoplastic or polycyclohexylenedimethylene terephthalate (PCT) materials, which provide equivalent mechanical and thermal performance for standard applications.

Q: What is the difference between active and obsolete product status?

A: Active parts are in current production with ongoing manufacturer support and availability. Obsolete parts are no longer manufactured and should be used only when replacement inventory is unavailable. The Molex 0879140001 is active status. Among substitutes, 75844-150-10LF and 75844-302-10LF are obsolete; all others are active.

Q: Does RoHS compliance affect substitution eligibility?

A: RoHS compliance is a regulatory requirement for specific applications and markets. The Molex 0879140001 is ROHS3 Compliant. Substitutes with RoHS Compliant or ROHS3 Compliant status are suitable for regulated applications. The 3M 2310-6121-TG is RoHS non-compliant and should not be used in applications requiring RoHS certification.

Q: Are there packaging differences between the main part and substitutes?

A: Yes. The Molex 0879140001 is supplied in Tray packaging. Substitutes are supplied in Bulk, Bag, or unspecified packaging. Packaging differences do not affect electrical or mechanical compatibility but may influence handling, storage, and logistics procedures.

Q: Can the Mill-Max 802-10-010-10-001000 be used as a direct substitute despite having circular contacts?

A: Yes. The circular contact geometry of the Mill-Max part maintains the same 0.100" (2.54mm) pitch and 10-position configuration. Circular contacts provide equivalent mating performance with standard 0.100" pitch receptacles. Contact geometry variation does not prevent functional substitution in standard applications.

Q: What is the significance of contact finish thickness variations?

A: Contact finish thickness affects durability and corrosion resistance. The Molex 0879140001 specifies 15.0µin (0.38µm) gold mating finish. Substitutes range from 10.0µin to 30.0µin gold or tin finishes. Thicker finishes provide extended service life in corrosive environments; thinner finishes are acceptable for standard indoor applications. Finish thickness does not affect initial mating compatibility.

Q: Which substitute offers the longest contact post for deep PCB penetration?

A: The Samtec HMTSW-105-08-S-D-195 provides the longest contact post at 0.235" (5.97mm), matching the Molex original part specification. The Amphenol ICC FCI 77313-103-10LF also offers 0.200" (5.08mm) post length. These extended posts are suitable for applications requiring deeper solder joint penetration or flexible stacking configurations.

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