Molex 0873812464 Equivalent & Substitute Parts

Part Overview

The Molex 0873812464 is a 24-position receptacle connector from the Milli-Grid 87381 series, designed for surface mount board-to-board applications. This connector features 0.079" (2.00mm) pitch mating contacts with gold plating, push-pull fastening, and solder termination. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching core electrical and mechanical parameters: 24-position receptacle configuration, 0.079" (2.00mm) pitch, surface mount termination, push-pull fastening, gold-plated mating contacts, and operating temperature range compatibility.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	24
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Surface Mount
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Insulation Color	Black
Insulation Height	0.177" (4.50mm)
Operating Temperature	-55°C ~ 105°C
Current Rating	1.9A
Voltage Rating	125V
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0873812464 are identified from the Samtec MMS series based on the following matching criteria:

Core Electrical & Mechanical Compatibility:

24-position receptacle configuration with female socket contacts
0.079" (2.00mm) pitch mating and row spacing
2-row layout with 0.177" (4.50mm) insulation height
Surface mount solder termination
Push-pull fastening mechanism
Gold-plated mating contacts
Black insulation color
Operating temperature range of -55°C to 125°C (exceeds or matches the main part's -55°C to 105°C)

Substitution Variants: The Samtec MMS-112 series offers multiple packaging and feature configurations that maintain electrical and mechanical compatibility while providing options for different manufacturing processes and assembly requirements.

Parameter Comparison

Parameter	Molex 0873812464	Samtec MMS-112-02-F-DV	Samtec MMS-112-02-F-DV-A	Samtec MMS-112-02-L-DV-K	Samtec MMS-112-02-L-DV-K-TR	Samtec MMS-112-02-L-DV-A-K-TR	Samtec MMS-112-02-L-DV-P
Manufacturer	Molex	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Number of Positions	24	24	24	24	24	24	24
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2	2	2	2	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Insulation Color	Black	Black	Black	Black	Black	Black	Black
Insulation Height	0.177" (4.50mm)	0.177" (4.50mm)	0.177" (4.50mm)	0.177" (4.50mm)	0.177" (4.50mm)	0.177" (4.50mm)	0.177" (4.50mm)
Operating Temperature	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	1.9A	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact	3.9A per Contact
Packaging	Tube	Tube	Tube	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tube
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All identified Samtec MMS-112 series substitutes maintain full electrical and mechanical compatibility with the Molex 0873812464 across the critical parameters: 24-position configuration, 0.079" (2.00mm) pitch, surface mount termination, and push-pull fastening.

Packaging Selection:

Tube packaging (MMS-112-02-F-DV, MMS-112-02-F-DV-A, MMS-112-02-L-DV-K, MMS-112-02-L-DV-P) is suitable for standard component handling and storage.
Tape & Reel packaging (MMS-112-02-L-DV-K-TR, MMS-112-02-L-DV-A-K-TR) is optimized for automated pick-and-place assembly processes.

Feature Variants:

MMS-112-02-F-DV and MMS-112-02-L-DV-K provide standard configurations without board guide features.
MMS-112-02-F-DV-A and MMS-112-02-L-DV-A-K-TR include board guide features for enhanced mechanical stability.
MMS-112-02-L-DV-P offers alternative contact finish specifications.

All substitute parts are active products with ROHS3 compliance and unlimited MSL rating, matching the regulatory and environmental requirements of the original part.

Frequently Asked Questions (FAQ)

Q: Are Samtec MMS-112 series connectors electrically compatible with the Molex 0873812464?

A: Yes. Both the main part and all substitute parts share identical electrical specifications: 24-position receptacle configuration, 0.079" (2.00mm) pitch, gold-plated mating contacts, push-pull fastening, and solder termination. Operating temperature ranges for Samtec parts (-55°C to 125°C) exceed the Molex specification (-55°C to 105°C).

Q: What is the difference between tube and tape & reel packaging options?

A: Tube packaging (standard for MMS-112-02-F-DV, MMS-112-02-L-DV-K, MMS-112-02-L-DV-P) is used for manual handling and lower-volume applications. Tape & Reel packaging (MMS-112-02-L-DV-K-TR, MMS-112-02-L-DV-A-K-TR) is designed for automated pick-and-place assembly equipment and high-volume production.

Q: What does the board guide feature provide?

A: Board guide variants (MMS-112-02-F-DV-A, MMS-112-02-L-DV-A-K-TR) include mechanical alignment features that enhance connector stability during mating and improve board-level positioning accuracy.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified Samtec MMS-112 series substitutes are ROHS3 compliant and carry unlimited MSL (Moisture Sensitivity Level) rating, matching the compliance profile of the Molex 0873812464.

Q: Can I use Samtec MMS-112 connectors as direct replacements in existing designs?

A: Yes. The Samtec MMS-112 series maintains mechanical and electrical compatibility across all critical parameters. Connector mating, pitch spacing, mounting footprint, and electrical performance are equivalent to the Molex 0873812464.

Q: What is the current rating difference between the main part and substitutes?

A: The Molex 0873812464 is rated at 1.9A, while Samtec MMS-112 series parts are rated at 3.9A per contact. This higher rating in substitute parts provides additional current-carrying capacity without affecting compatibility.

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