Molex 0876962002 Equivalent & Substitute Parts

Part Overview

The Molex 0876962002 is a 31-position backplane connector header designed for board edge mounting with through-hole solder termination. This connector features male pins and blades in a right-angle configuration with board lock and mating guide features. The part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing system support and new design implementations. The connector accommodates 24 signal contacts and 7 power contacts across 4 rows with 0.100" (2.54mm) pitch spacing.

Key Parameters

Parameter	Value
Connector Type	Header, Male Pins and Blades
Number of Positions	31
Pitch	0.100" (2.54mm)
Number of Rows	4
Mounting Type	Board Edge, Through Hole, Right Angle
Termination	Solder
Contact Layout	24 Signal, 7 Power
Contact Finish	Gold
Color	Black
Operating Temperature	-20°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the Molex 0876962002 is based on strict equivalence across the following critical parameters:

Connector Position Count: 31 positions (exact match required)
Pitch Specification: 0.100" (2.54mm) (exact match required)
Row Configuration: 4 rows (exact match required)
Mounting Configuration: Board edge, through-hole, right-angle orientation (exact match required)
Termination Method: Solder (exact match required)
Contact Layout: 24 signal and 7 power contacts (exact match required)
Physical Orientation: Male pins and blades (exact match required)
Environmental Compliance: UL94 V-0 flammability rating and operating temperature range -20°C to 105°C (exact match required)

The substitute part 51939-023LF from Amphenol ICC (FCI) meets all critical substitution criteria. This part maintains identical mechanical and electrical specifications while offering active product status and enhanced availability.

Parameter Comparison

Parameter	Molex 0876962002	Amphenol ICC 51939-023LF	Match Status
Connector Type	Header, Male Pins and Blades	Header, Male Pins and Blades	Identical
Number of Positions	31	31	Identical
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	Identical
Number of Rows	4	4	Identical
Mounting Type	Board Edge, Through Hole, Right Angle	Board Edge, Through Hole, Right Angle	Identical
Termination	Solder	Solder	Identical
Contact Layout	24 Signal, 7 Power	24 Signal, 7 Power	Identical
Contact Finish	Gold	Gold or Gold, GXT™	Compatible
Contact Finish Thickness	30.0µin (0.76µm)	30.0µin (0.76µm)	Identical
Color	Black	Black	Identical
Operating Temperature	-20°C ~ 105°C	-20°C ~ 105°C	Identical
Material Flammability Rating	UL94 V-0	UL94 V-0	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Obsolete	Active	Substitute is Active
RoHS Status	ROHS3 Compliant	RoHS Compliant	Compatible

Engineering Selection Recommendations

The Amphenol ICC 51939-023LF is a direct functional equivalent to the obsolete Molex 0876962002. Selection of the substitute part is supported by:

Active Product Status: The 51939-023LF maintains active manufacturing status, ensuring long-term availability and supply chain continuity compared to the obsolete Molex part.
Identical Mechanical Specifications: All critical dimensions, mounting configurations, and contact arrangements are identical, enabling direct board-level substitution without redesign.
Equivalent Environmental Compliance: Both parts meet UL94 V-0 flammability requirements and operate across the identical temperature range of -20°C to 105°C.
RoHS Compliance: The substitute part maintains RoHS compliance, meeting current regulatory requirements for electronic component manufacturing.
Standardized Pitch and Contact Configuration: The 0.100" pitch and 31-position, 4-row configuration are preserved, ensuring compatibility with existing mating connectors and PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the Amphenol ICC 51939-023LF be used as a direct replacement for the Molex 0876962002 without PCB modifications?

A: Yes. The 51939-023LF maintains identical mechanical specifications, mounting type, pitch, position count, and row configuration. Direct substitution on existing PCBs is supported without layout changes.

Q: What is the significance of the "Blade Power" designation in the Amphenol part?

A: The Blade Power designation indicates the connector's capability to handle power distribution through dedicated blade contacts. This feature is compatible with the 7-power contact layout specified in both the original and substitute parts.

Q: Are there differences in contact finish between the two parts?

A: Both parts specify gold contact finish at 30.0µin (0.76µm) thickness. The Amphenol part offers an optional GXT™ finish variant, which provides enhanced contact performance while maintaining the standard gold finish option.

Q: What is the packaging difference between these parts?

A: The Molex 0876962002 packaging is not specified in available data. The Amphenol 51939-023LF is supplied in tray packaging. Packaging format does not affect electrical or mechanical compatibility.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both the Molex 0876962002 and Amphenol ICC 51939-023LF operate across -20°C to 105°C, ensuring equivalent thermal performance in target applications.

Q: How do the RoHS compliance statuses compare?

A: The Molex part is ROHS3 compliant. The Amphenol part is RoHS compliant. Both meet current regulatory requirements for hazardous substance restrictions in electronic components.

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