Harwin M20-9962146 Equivalent & Substitute Parts

Part Overview

The Harwin M20-9962146 is a rectangular connector header featuring a right-angle, through-hole mount configuration with 21 positions at 0.100" (2.54mm) pitch. This connector is designed for board-to-board or cable applications with unshrouded, male pin contacts and solder termination. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and component procurement.

Substiute Parts

M20-9962146

Harwin Inc.In Stock: 1028M20-9962146 Datasheet

Current PartRFQ

0022288210

MolexIn Stock: 7410022288210 Datasheet

MFR RecommendedRFQ

0022288212

MolexIn Stock: 11660022288212 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Harwin M20-9962146 is determined by the following critical parameters:

• Pitch - Mating: 0.100" (2.54mm)
• Number of Positions: 21
• Number of Rows: 1
• Connector Type: Header
• Mounting Type: Through Hole, Right Angle
• Contact Type: Male Pin
• Termination: Solder
• Fastening Type: Push-Pull
• Style: Board to Board or Cable
• Shrouding: Unshrouded

The Molex KK254 series parts 0022288210 and 0022288212 meet all critical substitution criteria. Both are active-status rectangular connector headers with identical pitch, position count, row configuration, and mounting characteristics. The primary distinction between the two Molex alternatives is the contact finish specification: 0022288210 features tin finish on mating contacts, while 0022288212 features gold finish on mating contacts.

Parameter Comparison

Engineering Selection Recommendations

Both Molex alternatives are active-status products with full ROHS3 compliance and UL94 V-0 flammability certification, providing long-term supply chain continuity for the obsolete Harwin M20-9962146.

Molex 0022288210 is the primary substitute, offering tin contact finish on mating surfaces that directly corresponds to the original Harwin specification. This part maintains electrical and mechanical compatibility with existing designs without requiring contact finish adjustments.

Molex 0022288212 provides an alternative with gold-plated mating contacts, offering enhanced corrosion resistance and contact reliability in applications subject to environmental exposure or frequent mating cycles. The gold finish specification represents an upgrade path for designs where improved contact durability is beneficial.

Minor dimensional variations exist in contact length and insulation height between the Harwin original and Molex substitutes. Contact length differences are within typical manufacturing tolerances for this connector class. Insulation height variation of 0.002" (0.04mm) is negligible for standard board-to-board applications. Designs with tight mechanical constraints should verify clearance compatibility during integration.

Frequently Asked Questions (FAQ)

Q: Can Molex 0022288210 and 0022288212 be used interchangeably with the Harwin M20-9962146?

A: Both Molex parts are mechanically and electrically compatible substitutes. The primary difference is contact finish: 0022288210 uses tin finish matching the original specification, while 0022288212 uses gold finish. Selection depends on application requirements for contact durability and corrosion resistance.

Q: What is the difference between "Cuttable" and "Breakaway" connector types?

A: Both designations indicate the connector header can be separated into individual positions. Cuttable headers are cut mechanically, while breakaway headers feature designed break points. Functionally, both accommodate single or multi-position configurations in the same application space.

Q: Are the dimensional differences between the Harwin and Molex parts significant?

A: Contact length differences of 0.004" (0.10mm) and insulation height difference of 0.002" (0.04mm) are within standard manufacturing tolerances for 2.54mm pitch connectors. These variations do not affect electrical performance or standard board-to-board mating. Applications with constrained mechanical envelopes should verify clearance during design integration.

Q: Do all three parts meet the same compliance standards?

A: Yes. All three parts are ROHS3 compliant, UL94 V-0 rated, and carry MSL 1 (Unlimited) moisture sensitivity classification. The Harwin original and both Molex substitutes are suitable for equivalent regulatory and environmental applications.

Q: What is the current rating for these connectors?

A: The Harwin M20-9962146 is rated at 3A per contact. Current ratings for the Molex substitutes are not specified in the provided data. For applications requiring confirmed current capacity, contact the manufacturer directly.