M20-9983045 Equivalent & Substitute Parts

Part Overview

The Harwin M20-9983045 is a vertical rectangular connector header with 60 positions at 2.54mm pitch, designed for through-hole board-to-board or cable applications. This part features a cuttable header design with unshrouded construction, gold-plated mating contacts, and solder termination. The M20-9983045 is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-9983045
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Contact Type	Male Pin
Number of Positions	60
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Material	Brass
Contact Finish - Mating	Gold
Current Rating	3A per Contact
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the M20-9983045 is determined by the following critical parameters:

Primary Matching Criteria:

Pitch - Mating: 0.100" (2.54mm)
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole
Termination: Solder
Contact Type: Male Pin
Contact Material: Brass or Phosphor Bronze
Contact Finish - Mating: Gold
Current Rating: 3A per Contact
Material Flammability Rating: UL94 V-0
RoHS Status: ROHS3 Compliant or RoHS Compliant

Position Count Considerations: The M20-9983045 has 60 positions. Direct equivalents maintain 60 positions. The M20-9983245 (64 positions) represents a higher-capacity variant within the same series. The 30-position variants (77313 series) are partial-capacity alternatives suitable for applications requiring fewer connection points.

Connector Type Variations: The main part is cuttable; substitute parts may be cuttable or breakaway designs. Both designs accommodate through-hole mounting and solder termination with compatible pitch and contact specifications.

Parameter Comparison

Parameter	M20-9983045	M20-9983245	0010897602	77313-801-30LF	892-70-060-10-001101
Manufacturer	Harwin Inc.	Harwin Inc.	Molex	Amphenol ICC (FCI)	Preci-Dip
Number of Positions	60	64	60	30	60
Number of Rows	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	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
Termination	Solder	Solder	Solder	Solder	Solder
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Contact Material	Brass	Brass	Copper Alloy	Phosphor Bronze	Brass
Contact Finish - Mating	Gold	Gold	Gold	Gold or Gold, GXT™	Gold
Current Rating	3A per Contact	3A per Contact	Not Specified	3A per Contact	3A
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	Not Specified	-65°C ~ 130°C	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active

Engineering Selection Recommendations

Direct 60-Position Equivalents (Recommended for 1:1 Replacement):

The 0010897602 (Molex C-Grid 70280 series) and 892-70-060-10-001101 (Preci-Dip 892 series) are direct functional equivalents to the M20-9983045, maintaining identical position count, pitch, row spacing, and through-hole solder termination. Both parts are active products with ROHS3 or ROHS3 compliance and UL94 V-0 flammability ratings. The Molex part operates across a wider temperature range (-40°C to 105°C matches the original), while the Preci-Dip part extends to -55°C ~ 125°C. Both support 3A per contact current ratings and gold-plated mating contacts.

Higher-Capacity Alternative (64-Position):

The M20-9983245 (Harwin M20 series) provides a 64-position variant within the same manufacturer family. This part maintains all critical electrical and mechanical parameters of the original M20-9983045 while offering four additional contact positions. This option is suitable for applications where expanded connectivity is beneficial and PCB layout permits the increased footprint. The M20-9983245 is an active product with ROHS3 compliance.

Reduced-Capacity Alternatives (30-Position):

The 77313 series from Amphenol ICC (FCI) offers 30-position variants (77313-801-30LF, 77313-102-30LF, 77313-118-30LF, 77313-802-30LF, 77313-818-30LF) suitable for applications requiring half the connection points. These parts maintain 2.54mm pitch, 2-row configuration, through-hole solder termination, and 3A per contact current rating. Operating temperature extends to -65°C ~ 130°C. The 77313 series uses Phosphor Bronze contacts with gold plating and is RoHS compliant. Position count reduction requires PCB redesign but maintains electrical compatibility within the reduced pin count.

Compliance Considerations:

All substitute parts meet UL94 V-0 flammability requirements and maintain MSL 1 (Unlimited) moisture sensitivity levels. The M20-9983245, 0010897602, and 892-70-060-10-001101 are ROHS3 compliant, matching the original part's compliance status. The 77313 series is RoHS compliant. All parts are EAR99 classified with identical HTSUS codes (8536.69.4040).

Frequently Asked Questions (FAQ)

Q: Can the M20-9983245 (64-position) be used as a direct replacement for the M20-9983045 (60-position)?

A: The M20-9983245 maintains identical pitch (2.54mm), row spacing (2.54mm), mounting type (through-hole), termination (solder), contact material (brass), and contact finish (gold). The four additional positions require PCB layout modification. If the application circuit design accommodates the extra pins or if they remain unconnected, the M20-9983245 is electrically compatible. PCB footprint verification is required.

Q: What is the difference between the Molex 0010897602 and the original Harwin M20-9983045?

A: Both parts maintain 60 positions, 2.54mm pitch, 2-row configuration, through-hole solder termination, and 3A per contact current rating. The Molex part uses Copper Alloy contacts with gold plating (15.0µin thickness) versus the Harwin brass contacts. The Molex part features Liquid Crystal Polymer (LCP) glass-filled insulation versus Harwin's Polyamide (PA6T) Nylon 6T. Both are UL94 V-0 rated and ROHS3 compliant. Mechanical and electrical performance are equivalent for standard applications.

Q: Are the 30-position 77313 variants suitable replacements?

A: The 77313 series maintains 2.54mm pitch, 2-row configuration, through-hole solder termination, and 3A per contact current rating. However, the 30-position count represents half the original 60-position capacity. These parts are suitable only for applications where the reduced pin count meets design requirements. PCB redesign is necessary. The 77313 series offers extended operating temperature (-65°C ~ 130°C) and is RoHS compliant.

Q: What are the key parameters that must match for connector substitution?

A: Critical matching parameters are: pitch (0.100" / 2.54mm), number of rows (2), row spacing (0.100" / 2.54mm), mounting type (through-hole), termination (solder), contact type (male pin), contact material (brass or phosphor bronze), contact finish (gold), current rating (3A per contact), flammability rating (UL94 V-0), and compliance status (ROHS3 or RoHS). Position count may vary depending on application requirements.

Q: Does the Preci-Dip 892-70-060-10-001101 require any special handling or installation considerations?

A: The Preci-Dip 892-70-060-10-001101 maintains standard through-hole solder termination compatible with conventional PCB assembly processes. Operating temperature range (-55°C ~ 125°C) and current rating (3A) match or exceed the original specification. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity, requiring no special storage or handling beyond standard connector practices.

Q: Can multiple 30-position connectors be used in place of a single 60-position connector?

A: Multiple 30-position connectors can be used in parallel if PCB layout and application design accommodate separate connector footprints. This approach requires mechanical and electrical redesign of the interface. The 77313 series maintains compatible pitch and electrical specifications, but physical separation and connector orientation must be engineered into the assembly.

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