Equivalent & Substitute Parts for M22-2515005

Part Overview

The M22-2515005 is a rectangular connector header manufactured by Harwin Inc., featuring 50 positions at 2.00mm pitch for through-hole board-to-board applications. This part is classified as obsolete, necessitating identification of active substitute components that maintain electrical and mechanical compatibility. Substitute parts must preserve the 2.00mm pitch, 50-position configuration, male pin contact type, and solder termination while accommodating minor variations in contact geometry and material specifications.

Key Parameters

Parameter	M22-2515005
Manufacturer	Harwin Inc.
Connector Type	Header, Cuttable
Contact Type	Male Pin
Pitch - Mating	0.079" (2.00mm)
Number of Positions	50
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Contact Material	Phosphor Bronze
Insulation Material	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C
Current Rating	1A per Contact
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Primary Compatibility Criteria:

Pitch - Mating: 0.079" (2.00mm) — exact match required
Number of Positions: 50 — exact match required
Number of Rows: 1 — exact match required
Contact Type: Male Pin — exact match required
Mounting Type: Through Hole — exact match required
Termination: Solder — exact match required
Connector Type: Header, Cuttable — exact match required

Secondary Compatibility Parameters (Allowable Variation):

Contact Length - Mating: variation permitted within mechanical envelope
Contact Length - Post: variation permitted within mechanical envelope
Insulation Material: Liquid Crystal Polymer (LCP) acceptable as alternative to Polyamide (PA6T)
Contact Finish - Mating: Gold or Tin acceptable
Operating Temperature: minimum -40°C and maximum ≥105°C required
Current Rating: 3A acceptable as upgrade from 1A per Contact

Non-Substitutable Parameters:

Pitch, position count, row configuration, contact gender, mounting method, and termination type must remain unchanged

All substitute parts listed below meet these primary criteria. The M22-2514005 (40-position variant) does not meet substitution criteria due to position count mismatch and is included for reference only.

Parameter Comparison

Parameter	M22-2515005	MTMM-150-02-F-S-125	MTMM-150-02-G-S-130	MTMM-150-02-G-S-150	MTMM-150-02-T-S-120	MTMM-150-02-T-S-135	MTMM-150-02-T-S-140	MTMM-150-02-T-S-150	MTMM-150-03-L-S-150	MTMM-150-03-S-S-150
Manufacturer	Harwin Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.	Samtec Inc.
Connector Type	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
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)
Number of Positions	50	50	50	50	50	50	50	50	50	50
Number of Rows	1	1	1	1	1	1	1	1	1	1
Mounting Type	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
Contact Length - Mating	0.138" (4.60mm)	0.125" (3.18mm)	0.130" (3.30mm)	0.150" (3.81mm)	0.120" (3.05mm)	0.135" (3.43mm)	0.140" (4.66mm)	0.150" (3.81mm)	0.150" (3.81mm)	0.150" (3.81mm)
Contact Length - Post	0.091" (2.30mm)	0.071" (1.80mm)	0.066" (1.68mm)	0.046" (1.17mm)	0.076" (1.93mm)	0.061" (1.55mm)	0.056" (1.42mm)	0.046" (1.17mm)	0.093" (2.35mm)	0.093" (2.35mm)
Overall Contact Length	0.287" (7.30mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.255" (6.48mm)	0.302" (7.67mm)	0.302" (7.67mm)
Insulation Height	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)	0.059" (1.50mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Tin	Tin	Tin	Tin	Gold	Gold
Contact Material	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polyamide (PA6T), Nylon 6T	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	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	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	1A per Contact	3A	3A	3A	3A	3A	3A	3A	3A	3A
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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed Samtec MTMM-150 series connectors meet the primary substitution criteria and are classified as active products, ensuring long-term availability and supply chain continuity. Selection among substitute parts depends on specific application requirements:

For Gold-Plated Mating Contacts: MTMM-150-02-F-S-125, MTMM-150-02-G-S-130, MTMM-150-02-G-S-150, MTMM-150-03-L-S-150, and MTMM-150-03-S-S-150 provide gold contact finish suitable for applications requiring enhanced corrosion resistance and signal integrity.

For Tin-Plated Mating Contacts: MTMM-150-02-T-S-120, MTMM-150-02-T-S-135, MTMM-150-02-T-S-140, and MTMM-150-02-T-S-150 offer tin contact finish for cost-optimized applications where gold plating is not required.

For Extended Temperature Range: MTMM-150-02-F-S-125, MTMM-150-02-G-S-130, MTMM-150-02-G-S-150, MTMM-150-03-L-S-150, and MTMM-150-03-S-S-150 support -55°C to 125°C operation, exceeding the original M22-2515005 specification of -40°C to 105°C.

For Standard Temperature Range: MTMM-150-02-T-S-120, MTMM-150-02-T-S-135, MTMM-150-02-T-S-140, and MTMM-150-02-T-S-150 maintain -55°C to 105°C operation, compatible with the original part's upper temperature limit.

All substitute parts feature Liquid Crystal Polymer (LCP) insulation, which provides superior dimensional stability and thermal performance compared to the original Polyamide (PA6T) material. All parts maintain UL94 V-0 flammability rating and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can MTMM-150 series connectors directly replace M22-2515005 in existing designs?

A: Yes, all listed MTMM-150 series connectors maintain the critical parameters: 2.00mm pitch, 50 positions, single row, male pin contacts, through-hole mounting, and solder termination. Mechanical envelope variations in contact length are within acceptable tolerances for standard PCB applications. Verify specific contact length requirements for your application, as post length varies across the MTMM-150 variants.

Q: What is the difference between gold-plated and tin-plated contact finishes?

A: Gold-plated contacts (MTMM-150-02-F-S-125, MTMM-150-02-G-S-130, MTMM-150-02-G-S-150, MTMM-150-03-L-S-150, MTMM-150-03-S-S-150) provide superior corrosion resistance and lower contact resistance, suitable for high-reliability and signal-integrity-critical applications. Tin-plated contacts (MTMM-150-02-T-S-120, MTMM-150-02-T-S-135, MTMM-150-02-T-S-140, MTMM-150-02-T-S-150) are cost-effective for general-purpose applications where environmental exposure is limited.

Q: Why do substitute parts have higher current ratings (3A vs. 1A)?

A: The MTMM-150 series is rated for 3A per contact, representing an upgrade in current-carrying capacity. This does not affect compatibility; applications designed for 1A operation remain fully compatible. Higher current rating provides additional design margin for future applications.

Q: What is the significance of contact length variations?

A: Contact length variations (mating and post lengths) affect the overall connector height and mating depth. MTMM-150-03-L-S-150 and MTMM-150-03-S-S-150 feature longer post lengths (0.093" vs. 0.046-0.076" for other variants), resulting in overall contact length of 0.302" compared to 0.255" for other MTMM-150 variants. Verify PCB stack-up and mating connector depth to ensure proper engagement.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed MTMM-150 series connectors are ROHS3 compliant, matching the compliance status of the original M22-2515005.

Q: What is the difference between Polyamide (PA6T) and Liquid Crystal Polymer (LCP) insulation?

A: Liquid Crystal Polymer (LCP) offers superior dimensional stability, lower moisture absorption, and better thermal performance compared to Polyamide (PA6T). LCP insulation in MTMM-150 series provides enhanced reliability in high-temperature and high-humidity environments while maintaining mechanical precision across the connector's operating range.

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