Molex 5041950871 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Molex 5041950871 is a rectangular connector header designed for board-to-cable/wire applications. This component is classified as Obsolete and is no longer in active production. Due to its obsolete status, sourcing original units becomes increasingly difficult. Identifying qualified substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this connector type.

Key Parameters

Parameter	Value
Manufacturer Part Number	5041950871
Manufacturer	Molex
Category	Rectangular Connectors
Product Status	Obsolete
Series	Micro-Lock 504195
Connector Type	Header
Number of Positions	8
Pitch - Mating	0.049" (1.25mm)
Mounting Type	Surface Mount, Right Angle
Termination	Solder
Shrouding	Shrouded - 4 Wall
Contact Material	Brass
Insulation Material	Polyamide (PA), Nylon, Glass Filled
Contact Finish - Mating	Tin
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the obsolete Molex 5041950871 is determined by strict alignment of the following critical parameters:

Mandatory Matching Criteria:

Connector Type: Header
Number of Positions: 8
Pitch - Mating: 0.049" (1.25mm)
Mounting Type: Surface Mount, Right Angle
Termination: Solder
Shrouding: Shrouded - 4 Wall
Series: Micro-Lock 504195

The Molex 5041950870 qualifies as a direct substitute because it maintains identical specifications across all critical electrical and mechanical parameters. Both components belong to the same Micro-Lock 504195 series and share the same connector architecture, pitch spacing, and mounting configuration.

Parameter Comparison

Parameter	5041950871 (Obsolete)	5041950870 (Active Substitute)	Match Status
Manufacturer	Molex	Molex	Identical
Series	Micro-Lock 504195	Micro-Lock 504195	Identical
Connector Type	Header	Header	Identical
Number of Positions	8	8	Identical
Pitch - Mating	0.049" (1.25mm)	0.049" (1.25mm)	Identical
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Identical
Termination	Solder	Solder	Identical
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Identical
Contact Type	Male Blade	Male Blade	Identical
Contact Material	Brass	Brass	Identical
Insulation Material	Polyamide (PA), Nylon, Glass Filled	Polyamide (PA), Nylon, Glass Filled	Identical
Contact Finish - Mating	Tin	Tin	Identical
Contact Finish Thickness - Mating	39.4µin (1.00µm)	39.4µin (1.00µm)	Identical
Insulation Height	0.163" (4.15mm)	0.163" (4.15mm)	Identical
Fastening Type	Latch Lock	Latch Lock	Identical
Features	Solder Retention	Solder Retention	Identical
Material Flammability Rating	UL94 V-0	UL94 V-0	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
MSL Rating	1 (Unlimited)	1 (Unlimited)	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Obsolete	Active	Substitute is Active

Engineering Selection Recommendations

The Molex 5041950870 is the qualified substitute for the obsolete 5041950871 based on the following engineering criteria:

Product Status Alignment: The 5041950870 maintains Active product status with full manufacturing support and documented availability (16,277 pcs in stock). This ensures long-term supply chain continuity compared to the obsolete 5041950871.

Compliance & Certification: Both components maintain identical compliance certifications:

ROHS3 Compliant
REACH Unaffected
UL94 V-0 Material Flammability Rating
MSL 1 (Unlimited) moisture sensitivity rating

Electrical & Mechanical Equivalence: All critical parameters are identical, including connector architecture, pitch spacing, contact materials, termination method, and shrouding configuration. No design modifications are required for direct substitution.

Packaging Consideration: The 5041950870 is supplied in Tape & Reel (TR) packaging, which is standard for surface mount components and supports automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the Molex 5041950870 be used as a direct replacement for the 5041950871?

A: Yes. The 5041950870 is a direct substitute. All electrical and mechanical parameters are identical, including connector type, position count, pitch spacing, mounting configuration, and contact specifications. No design modifications are required.

Q: What is the primary reason for substitution?

A: The 5041950871 is classified as Obsolete and is no longer in active production. The 5041950870 is an Active product with documented inventory and manufacturing support, ensuring supply chain reliability.

Q: Are there any compliance differences between the two parts?

A: No. Both components maintain identical compliance certifications: ROHS3 Compliant, REACH Unaffected, UL94 V-0 flammability rating, and MSL 1 moisture sensitivity level.

Q: What is the pitch spacing for this connector?

A: The mating pitch is 0.049" (1.25mm), which is the standard spacing for the Micro-Lock 504195 series.

Q: How many positions does this connector support?

A: Both the original and substitute parts support 8 positions in a single row configuration.

Q: What mounting type is used?

A: Both components are Surface Mount, Right Angle headers with solder termination.

Q: What packaging format is the substitute supplied in?

A: The 5041950870 is supplied in Tape & Reel (TR) packaging, which is standard for surface mount component automation.

Q: Are the contact materials the same?

A: Yes. Both components use brass contacts with tin plating at 39.4µin (1.00µm) thickness on the mating surface.

Q: What is the shrouding configuration?

A: Both parts feature Shrouded - 4 Wall shrouding with latch lock fastening and solder retention features.

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