Molex 0015445124 Equivalent & Substitute Parts

Part Overview

The Molex 0015445124 is a 24-position receptacle connector with 0.100" (2.54mm) pitch, designed for through-hole PCB mounting with gold-plated mating contacts. This connector is part of the C-Grid 71850 series and is actively produced. Equivalent and substitute parts are identified based on matching electrical and mechanical parameters to ensure functional compatibility in board-to-board applications. Substitutes are necessary when the primary part is unavailable, when alternative compliance certifications are required, or when different packaging formats are preferred for manufacturing workflows.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	24
Pitch - Mating	0.100" (2.54mm)
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
Contact Finish Thickness - Mating	30.0µin (0.76µm)
Insulation Color	Black
Insulation Height	0.340" (8.64mm)
Contact Shape	Square
Contact Material	Phosphor Bronze
Operating Temperature	-40°C ~ 125°C
Current Rating	2.5A
Voltage Rating	500VAC
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0015445124 are grouped based on strict alignment with the following critical parameters: 24-position configuration, 0.100" (2.54mm) pitch, 2-row layout with 0.100" row spacing, through-hole solder termination, push-pull fastening, and square phosphor bronze contacts. All identified substitutes maintain these core electrical and mechanical specifications.

Substitutes are categorized into two functional groups:

Group 1: Receptacle Connectors (Direct Functional Equivalents)

TE Connectivity 1-534236-2 (AMPMODU Mod II series)
Amphenol ICC 87606-312LF (Dubox™ series)
Amphenol ICC 89892-312LF (Dubox™ series, bottom/top entry variant)
Harwin M20-7831242 (M20 series)

Group 2: Header Connectors (Complementary Mating Components)

Sullins PPPC122LFBN-RC (gold-plated mating contacts)
Sullins PPTC122LFBN-RC (tin-plated mating contacts)

Header connectors in Group 2 are functionally compatible as mating pairs with the main part and Group 1 receptacles, sharing identical pitch, row spacing, and contact geometry.

Parameter Comparison

Parameter	Molex 0015445124	TE 1-534236-2	Amphenol 87606-312LF	Amphenol 89892-312LF	Harwin M20-7831242	Sullins PPPC122LFBN-RC	Sullins PPTC122LFBN-RC
Connector Type	Receptacle	Receptacle, Bottom/Top Entry	Receptacle	Receptacle, Bottom/Top Entry	Receptacle	Header	Header
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	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2	2	2	2	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
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	Tin
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	Flash	Flash	Not specified
Insulation Color	Black	Black	Blue	Blue	Black	Black	Black
Insulation Height	0.340" (8.64mm)	0.340" (8.64mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.335" (8.51mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Operating Temperature	-40°C ~ 125°C	-65°C ~ 105°C	Not specified	Not specified	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating	2.5A	Not specified	Not specified	Not specified	3A	3A	3A
Voltage Rating	500VAC	Not specified	Not specified	Not specified	1000V	250V	250V
Material Flammability Rating	UL94 V-0	Not specified	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	RoHS non-compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Series	C-Grid 71850	AMPMODU Mod II	Dubox™	Dubox™	M20	Not specified	Not specified
Packaging	Tray	Tube	Tube	Tube	Tube	Tray	Tray

Engineering Selection Recommendations

For ROHS3 Compliance Requirements: Select from Molex 0015445124, Amphenol 87606-312LF, Amphenol 89892-312LF, Harwin M20-7831242, Sullins PPPC122LFBN-RC, or Sullins PPTC122LFBN-RC. The TE Connectivity 1-534236-2 is RoHS non-compliant and unsuitable for applications requiring RoHS3 certification.

For Extended Operating Temperature Range (-40°C to 125°C): The Molex 0015445124 is the only substitute with this specification. The TE Connectivity 1-534236-2 operates to -65°C but only to 105°C maximum. Amphenol and Sullins parts operate to -40°C ~ 105°C. Harwin M20-7831242 operates to -40°C ~ 105°C.

For Higher Voltage Applications (500VAC or Greater): The Molex 0015445124 is rated 500VAC. The Harwin M20-7831242 is rated 1000V. Amphenol and Sullins parts are rated 250V and are unsuitable for 500VAC applications.

For Higher Current Capacity (3A): Harwin M20-7831242, Sullins PPPC122LFBN-RC, and Sullins PPTC122LFBN-RC are rated 3A. The Molex 0015445124 is rated 2.5A.

For Packaging Format Preference: Tray packaging is available from Molex 0015445124, Sullins PPPC122LFBN-RC, and Sullins PPTC122LFBN-RC. Tube packaging is available from TE Connectivity, Amphenol, and Harwin.

For Mating Contact Finish: Gold-plated mating contacts are available from Molex 0015445124, TE Connectivity 1-534236-2, Amphenol 87606-312LF, Amphenol 89892-312LF, Harwin M20-7831242, and Sullins PPPC122LFBN-RC. Tin-plated mating contacts are available from Sullins PPTC122LFBN-RC.

Frequently Asked Questions (FAQ)

Q: Can the Sullins header connectors (PPPC122LFBN-RC and PPTC122LFBN-RC) be used as direct replacements for the Molex 0015445124 receptacle?

A: No. The Sullins parts are header connectors (male pins), while the Molex 0015445124 is a receptacle connector (female sockets). Headers and receptacles are complementary mating components. A header is used as the mating partner to a receptacle. They cannot substitute for each other in the same application position.

Q: What is the difference between the Amphenol 87606-312LF and 89892-312LF?

A: Both are Amphenol Dubox™ series 24-position receptacles with identical pitch, row spacing, and contact specifications. The primary difference is connector entry style: 87606-312LF is a standard receptacle, while 89892-312LF is a bottom or top entry variant, allowing flexible PCB mounting orientation. Electrical and mechanical compatibility with the Molex 0015445124 is maintained in both variants.

Q: Is the TE Connectivity 1-534236-2 suitable for RoHS3-compliant applications?

A: No. The TE Connectivity 1-534236-2 is RoHS non-compliant. For RoHS3-compliant applications, select from Molex 0015445124, Amphenol 87606-312LF, Amphenol 89892-312LF, Harwin M20-7831242, Sullins PPPC122LFBN-RC, or Sullins PPTC122LFBN-RC.

Q: Which substitute part has the highest voltage rating?

A: The Harwin M20-7831242 is rated 1000V, the highest among all substitutes. The Molex 0015445124 is rated 500VAC. Amphenol and Sullins parts are rated 250V.

Q: Can I use the Sullins PPTC122LFBN-RC (tin-plated) instead of the Sullins PPPC122LFBN-RC (gold-plated)?

A: Both Sullins parts are functionally compatible as mating headers with the Molex 0015445124 receptacle. The difference is mating contact finish: PPTC122LFBN-RC has tin-plated contacts, while PPPC122LFBN-RC has gold-plated contacts. Selection depends on application requirements for contact finish and corrosion resistance. Both maintain identical pitch, row spacing, and electrical specifications.

Q: What is the significance of the insulation height difference between the Molex 0015445124 (0.340") and the substitute parts (0.335")?

A: The insulation height difference of 0.005" (0.13mm) is minimal and does not affect functional compatibility in standard through-hole PCB applications. Both dimensions fall within acceptable tolerance ranges for 24-position 0.100" pitch connectors. PCB footprint design should accommodate the specified insulation height of the selected part.

Q: Are all substitute parts available in the same packaging format as the Molex 0015445124?

A: No. The Molex 0015445124 is supplied in Tray packaging. TE Connectivity, Amphenol, and Harwin parts are supplied in Tube packaging. Sullins PPPC122LFBN-RC and PPTC122LFBN-RC are supplied in Tray packaging. Packaging format selection depends on manufacturing workflow and inventory management requirements.

Q: What is the contact finish thickness difference between the main part and substitutes?

A: The Molex 0015445124 specifies 30.0µin (0.76µm) gold plating on mating contacts. Amphenol parts match this specification. Harwin M20-7831242 specifies flash gold plating (thickness not specified). Sullins PPPC122LFBN-RC specifies flash gold plating. Sullins PPTC122LFBN-RC contact finish thickness is not specified. These variations do not affect functional compatibility for standard applications.

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