Equivalent & Substitute Parts for M22-2582005

Part Overview

The M22-2582005 is a vertical rectangular connector header manufactured by Harwin Inc., featuring 40 positions across 2 rows with 0.079" (2.00mm) pitch. This through-hole component is designed for board-to-board or cable connections with solder termination and push-pull fastening. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	M22-2582005
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Contact Type	Male Pin
Pitch - Mating	0.079" (2.00mm)
Number of Positions	40
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Contact Material	Phosphor Bronze
Insulation Material	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Current Rating	1A per Contact
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the M22-2582005 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Pitch - Mating: 0.079" (2.00mm)
Number of Positions: 40
Number of Rows: 2
Row Spacing - Mating: 0.079" (2.00mm)
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Connector Category: Rectangular Connectors
Material Flammability Rating: UL94 V-0

Acceptable Variation Parameters:

Contact Length - Mating: Variations within 0.138" to 0.197" are acceptable based on application requirements
Contact Length - Post: Variations within 0.020" to 0.102" are acceptable
Insulation Material: Polyamide (PA6T), Nylon 6T, Liquid Crystal Polymer (LCP), or Thermoplastic
Contact Finish - Mating: Gold (with varying thickness specifications)
Current Rating: Equal to or greater than 1A per Contact
Operating Temperature: Range must encompass or exceed -40°C ~ 105°C

Substitute parts are grouped into two categories: direct Harwin equivalents (M22 series) and cross-manufacturer alternatives (Molex, Amphenol ICC, Samtec).

Parameter Comparison

Parameter	M22-2582005	M22-2522005	0877584016	10075024-F01-20ALF	10075024-F01-20ULF	10075024-G01-20ULF	MTMM-120-02-F-D-176	MTMM-120-02-G-D-157	MTMM-120-02-G-D-160	MTMM-120-02-G-D-161	MTMM-120-02-G-D-185
Manufacturer	Harwin Inc.	Harwin Inc.	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
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)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Number of Positions	40	40	40	40	40	40	40	40	40	40	40
Number of Rows	2	2	2	2	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)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.197" (5.00mm)	0.138" (4.60mm)	0.157" (4.00mm)	0.157" (4.00mm)	0.157" (4.00mm)	0.157" (4.00mm)	0.176" (4.47mm)	0.157" (4.00mm)	0.160" (4.06mm)	0.161" (4.09mm)	0.185" (4.70mm)
Contact Length - Post	0.091" (2.30mm)	0.091" (2.30mm)	0.102" (2.60mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.079" (2.00mm)	0.020" (0.51mm)	0.039" (0.99mm)	0.036" (0.91mm)	0.035" (0.89mm)	0.011" (0.28mm)
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Polyamide (PA46), Nylon 4/6, Glass Filled	Thermoplastic	Thermoplastic	Thermoplastic	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	Not specified	Not specified	Not specified	Not specified	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	1A per Contact	1A per Contact	Not specified	2A (AC/DC)	2A (AC/DC)	2A (AC/DC)	3A	3A	3A	3A	3A
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: M22-2522005 (Harwin Inc.)

The M22-2522005 is the manufacturer-recommended direct equivalent from Harwin Inc. This part maintains the same series designation (M22), identical pitch and position configuration, and equivalent electrical specifications. Both parts are ROHS3 compliant with UL94 V-0 flammability rating. The M22-2522005 is currently in active production status, ensuring long-term availability and supply chain stability. The primary difference is reduced contact length for mating (0.138" versus 0.197"), which is acceptable for most board-to-board applications. This part is available in bulk packaging with 976 units in stock.

Secondary Recommendation: Samtec MTMM Series (MTMM-120-02-F-D-176, MTMM-120-02-G-D-157, MTMM-120-02-G-D-160, MTMM-120-02-G-D-161, MTMM-120-02-G-D-185)

The Samtec MTMM series provides cross-manufacturer alternatives with identical pitch, position count, and row configuration. These parts feature extended operating temperature range (-55°C ~ 125°C) compared to the original specification, providing enhanced thermal performance. All variants are ROHS3 compliant with UL94 V-0 rating. Current rating is 3A per contact, exceeding the original 1A specification. Insulation material is Liquid Crystal Polymer (LCP), offering superior dimensional stability. Contact length variations across the series accommodate different application requirements. These parts are actively produced with inventory levels ranging from 746 to 1096 units.

Tertiary Recommendation: Amphenol ICC Minitek Series (10075024-F01-20ALF, 10075024-F01-20ULF, 10075024-G01-20ULF)

The Amphenol ICC Minitek 2.00mm series offers cross-manufacturer compatibility with identical pitch and position specifications. These parts feature 2A current rating per contact and 200V voltage rating. The series includes pick-and-place features for automated assembly. RoHS compliance is confirmed. Contact finish thickness varies between variants (Flash or 30.0µin). Inventory availability is strong, with 965 to 1089 units in stock. Operating temperature is not specified for these parts.

Alternative Recommendation: Molex Milli-Grid 87758 Series (0877584016)

The Molex 0877584016 provides cross-manufacturer substitution with identical pitch and position configuration. This part features breakaway connector type capability and is suitable for automotive, general purpose, and telecommunications applications. ROHS3 compliance and UL94 V-0 rating are confirmed. Inventory availability is highest among all alternatives at 14084 units. Operating temperature specification is not provided.

Frequently Asked Questions (FAQ)

Q: Can M22-2522005 be used as a direct replacement for M22-2582005?

A: Yes. The M22-2522005 is the manufacturer-recommended equivalent from Harwin Inc. Both parts share identical pitch (0.079"), position count (40), row configuration (2 rows), contact type (male pin), mounting method (through hole), and termination (solder). The primary difference is contact length for mating: M22-2522005 features 0.138" versus M22-2582005's 0.197". This variation is acceptable for standard board-to-board applications. Both parts are ROHS3 compliant with UL94 V-0 flammability rating and 1A per contact current rating.

Q: What are the key differences between Harwin and Samtec alternatives?

A: Harwin M22-2522005 maintains closest electrical and mechanical parity with the original part. Samtec MTMM series variants offer enhanced specifications: extended operating temperature range (-55°C ~ 125°C versus -40°C ~ 105°C), higher current rating (3A versus 1A per contact), and Liquid Crystal Polymer insulation material. Contact length variations exist across Samtec variants to accommodate different application geometries. All maintain identical pitch and position configuration.

Q: Are Amphenol ICC and Molex parts fully compatible?

A: Amphenol ICC Minitek and Molex Milli-Grid series maintain identical pitch (0.079"), position count (40), and row spacing (0.079"). Both feature male pin contacts, through-hole mounting, and solder termination with push-pull fastening. Amphenol ICC parts specify 2A current rating and 200V voltage rating. Molex part does not specify current or voltage ratings. Both are ROHS3 compliant with UL94 V-0 rating. Physical compatibility is confirmed for pitch and position; however, contact length variations may affect mating depth in specific applications.

Q: What is the significance of contact length variations?

A: Contact length for mating determines how deeply the male pin engages with the female receptacle. The original M22-2582005 specifies 0.197" (5.00mm) mating contact length. Substitute parts range from 0.138" to 0.185". Shorter contact lengths reduce mating depth but maintain electrical connectivity for standard board-to-board applications. Contact length for post (the solder tail) varies from 0.011" to 0.102", affecting PCB hole depth requirements. Selection should align with specific application geometry and PCB design parameters.

Q: Which substitute part offers the best thermal performance?

A: Samtec MTMM series variants provide the widest operating temperature range at -55°C ~ 125°C, compared to the original specification of -40°C ~ 105°C. This extended range accommodates industrial and automotive applications requiring enhanced thermal performance. Harwin M22-2522005 maintains the original temperature specification (-40°C ~ 105°C). Amphenol ICC and Molex parts do not specify operating temperature ranges.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are RoHS compliant. Harwin and Samtec parts are ROHS3 compliant. Amphenol ICC and Molex parts are RoHS compliant. ROHS3 designation indicates compliance with the most recent RoHS directive requirements. All parts carry UL94 V-0 material flammability rating.

Q: What packaging options are available?

A: M22-2522005 is supplied in bulk packaging. Amphenol ICC 10075024-F01-20ALF is supplied in tape and reel (TR) format for automated assembly. Amphenol ICC 10075024-F01-20ULF and 10075024-G01-20ULF are supplied in tube packaging. Samtec MTMM series variants do not specify packaging format. Molex 0877584016 is supplied in tray packaging. Packaging selection should align with assembly process requirements and inventory management practices.

Q: Can these parts be used interchangeably in existing designs?

A: Electrical and mechanical interchangeability is confirmed for all listed substitute parts based on pitch, position count, row configuration, contact type, mounting method, and termination. However, physical layout differences due to contact length variations and insulation material differences may require PCB design verification. Samtec parts feature Liquid Crystal Polymer insulation versus polyamide in the original part, offering improved dimensional stability. Amphenol ICC parts feature thermoplastic insulation. Design validation is recommended before production implementation.

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