M20-8762146P Equivalent & Substitute Parts

Part Overview

The M20-8762146P is a surface mount rectangular connector header manufactured by Harwin Inc., featuring 42 positions arranged in 2 rows with 0.100" (2.54mm) pitch. This cuttable header connector is designed for board-to-board or cable applications with solder termination and push-pull fastening. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	M20-8762146P
Manufacturer	Harwin Inc.
Category	Rectangular Connectors
Connector Type	Header, Cuttable
Contact Type	Male Pin
Number of Positions	42
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Surface Mount
Termination	Solder
Fastening Type	Push-Pull
Operating Temperature	-40°C ~ 105°C
Current Rating	3A per Contact
Voltage Rating	250V
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the M20-8762146P are qualified based on the following critical parameters that must align with the original specification:

Core Electrical & Mechanical Compatibility:

Number of positions: 42
Number of rows: 2
Pitch - mating: 0.100" (2.54mm)
Row spacing - mating: 0.100" (2.54mm)
Contact type: Male Pin
Mounting type: Surface Mount
Termination: Solder
Fastening type: Push-Pull
Connector type: Header (cuttable or breakaway acceptable)
Style: Board to Board or Cable

Environmental & Compliance Requirements:

Material flammability rating: UL94 V-0
RoHS compliance status
Moisture sensitivity level: 1 (Unlimited)
Operating temperature range compatibility

All substitute parts listed meet these core parameters. Variations in contact finish, contact material, insulation material, and contact length are secondary design parameters that do not prevent functional substitution when the primary electrical and mechanical specifications align.

Parameter Comparison

Parameter	M20-8762146P (Harwin)	98401-101-42LF (Amphenol ICC)	TSM-121-02-F-DV (Samtec)	TSM-121-02-F-DV-A (Samtec)	TSM-121-02-FM-DV (Samtec)	TSM-121-02-G-DV (Samtec)	TSM-121-02-G-DV-A (Samtec)	TSM-121-02-H-DV (Samtec)	TSM-121-02-L-DV-A-P (Samtec)	TSM-121-02-L-DV-A-P-TR (Samtec)	TSM-121-02-LM-DV (Samtec)
Number of Positions	42	42	42	42	42	42	42	42	42	42	42
Number of Rows	2	2	2	2	2	2	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)	0.100" (2.54mm)	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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Connector Type	Header, Cuttable	Header, Breakaway	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable	Header, Cuttable
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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
Style	Board to Board or Cable	Board to Board	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable
Contact Material	Brass	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Contact Finish - Mating	Tin	Gold, GXT™	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Insulation Material	Polyamide (PA6T), Nylon 6T	Thermoplastic	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	-65°C ~ 130°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	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating	3A per Contact	3A	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified
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
RoHS Status	ROHS3 Compliant	RoHS 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	Active

Engineering Selection Recommendations

Primary Recommendation: 98401-101-42LF (Amphenol ICC)

The 98401-101-42LF is the manufacturer-recommended primary substitute. This part maintains full electrical and mechanical compatibility with the M20-8762146P while offering an extended operating temperature range (-65°C to 130°C versus -40°C to 105°C). The part is in active production status with robust inventory availability (674 units). RoHS compliance is confirmed, and the UL94 V-0 flammability rating matches the original specification. The gold-plated contact finish (GXT™) provides enhanced corrosion resistance compared to the original tin finish.

Secondary Recommendations: Samtec TSM-121 Series

The Samtec TSM-121 series offers multiple variants with active product status and consistent availability. All variants maintain the core 42-position, 2-row, 0.100" pitch configuration with surface mount solder termination. The TSM series features phosphor bronze contacts with gold plating and liquid crystal polymer insulation, providing superior thermal stability (-55°C to 125°C operating range). Variants differ in contact finish specifications and board guide features:

TSM-121-02-F-DV and TSM-121-02-F-DV-A: Standard gold finish, available with board guide option
TSM-121-02-FM-DV: Identical to F-DV variant
TSM-121-02-G-DV and TSM-121-02-G-DV-A: Enhanced gold finish (10.0µin), gold post finish, available with board guide
TSM-121-02-H-DV: Premium gold finish (30.0µin), gold post finish
TSM-121-02-L-DV-A-P and TSM-121-02-L-DV-A-P-TR: Board guide and pick-and-place features, standard gold finish

All Samtec variants are ROHS3 compliant with UL94 V-0 flammability rating and unlimited moisture sensitivity level (MSL 1).

Selection Criteria:

Choose 98401-101-42LF for applications requiring the widest operating temperature range and proven Amphenol reliability. Select Samtec TSM-121 variants when board guide features, pick-and-place compatibility, or specific contact finish requirements align with assembly process requirements. All listed substitutes are functionally equivalent for standard board-to-board or cable connection applications within their specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts interchangeably with the M20-8762146P?

A: Yes, all listed substitute parts maintain the critical electrical and mechanical specifications: 42 positions, 2 rows, 0.100" (2.54mm) pitch, surface mount solder termination, and push-pull fastening. Functional interchangeability is confirmed for standard applications. Verify that your specific application does not depend on the original tin contact finish or polyamide insulation material, as substitutes use gold plating and liquid crystal polymer insulation.

Q: What is the difference between the Samtec variants (F-DV, G-DV, H-DV, L-DV-A-P)?

A: The primary differences are contact finish specifications and optional features. F-DV variants use 3.00µin gold finish on mating contacts. G-DV variants use 10.0µin gold finish on both mating and post contacts. H-DV uses 30.0µin gold finish on mating contacts with 3.00µin gold post finish. L-DV-A-P variants include board guide and pick-and-place features with 10.0µin gold finish. All variants maintain identical electrical performance and 42-position configuration.

Q: Does the operating temperature range difference matter?

A: The M20-8762146P operates from -40°C to 105°C. The 98401-101-42LF extends this to -65°C to 130°C, and Samtec variants operate from -55°C to 125°C. If your application operates within the original -40°C to 105°C range, all substitutes are suitable. For applications exceeding these limits, verify that the substitute's extended range meets your requirements.

Q: What packaging options are available?

A: The 98401-101-42LF is supplied in bag packaging. Most Samtec variants are supplied without specified packaging, except TSM-121-02-F-DV-A, TSM-121-02-G-DV-A, and TSM-121-02-L-DV-A-P-TR, which are supplied in tube packaging. Confirm packaging requirements with your procurement process.

Q: Are all substitutes RoHS compliant?

A: Yes, all listed substitute parts are RoHS compliant. The M20-8762146P is ROHS3 compliant, the 98401-101-42LF is RoHS compliant, and all Samtec variants are ROHS3 compliant. All parts meet REACH requirements and carry EAR99 ECCN classification.

Q: What is the significance of the board guide feature in some Samtec variants?

A: Board guide features (present in TSM-121-02-F-DV-A, TSM-121-02-G-DV-A, TSM-121-02-H-DV, TSM-121-02-L-DV-A-P, and TSM-121-02-L-DV-A-P-TR) provide mechanical alignment assistance during assembly. This is beneficial for automated pick-and-place operations but not required for manual assembly. Select board guide variants if your manufacturing process uses automated assembly equipment.

Q: Can I use the breakaway variant (98401-101-42LF) instead of cuttable variants?

A: Yes. The 98401-101-42LF is classified as breakaway rather than cuttable, but both connector types provide the same functional capability for 42-position applications. Breakaway connectors separate at predetermined points, while cuttable connectors can be cut at any position. For standard 42-position applications, both types are functionally equivalent.

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