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3M 963246-2000-AR-TP Rectangular Connector: Equivalent & Substitute Parts
Part Overview
The 3M 963246-2000-AR-TP is a 46-position rectangular receptacle connector with 0.100" (2.54mm) pitch, designed for surface mount board-to-board applications. This connector features gold-plated mating contacts, push-pull fastening, and operates across -25°C to 105°C. The product is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 963246-2000-AR-TP |
| Manufacturer | 3M |
| Category | Rectangular Connectors |
| Number of Positions | 46 |
| Pitch - Mating | 0.100" (2.54mm) |
| Number of Rows | 2 |
| Row Spacing - Mating | 0.100" (2.54mm) |
| Connector Type | Receptacle, Bottom or Top Entry |
| Contact Type | Female Socket |
| Style | Board to Board |
| Mounting Type | Surface Mount |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Finish - Mating | Gold |
| Insulation Color | Black |
| Operating Temperature | -25°C ~ 105°C |
| Current Rating | 2A |
| Voltage Rating | 1000VDC |
| Material Flammability Rating | UL94 V-0 |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict alignment with the following core parameters:
Critical Matching Parameters:
- Number of positions: 46
- Pitch - mating: 0.100" (2.54mm)
- Number of rows: 2
- Row spacing - mating: 0.100" (2.54mm)
- Connector type: Receptacle
- Contact type: Female Socket
- Mounting type: Surface Mount
- Termination: Solder
- Fastening type: Push-Pull
- Material flammability rating: UL94 V-0
Allowable Variations:
- Contact finish - mating: Gold or Tin (both acceptable for electrical compatibility)
- Connector entry configuration: Bottom Entry, Top Entry, or Pass Through (all support board-to-board mating)
- Insulation material: Thermoplastic or Liquid Crystal Polymer (LCP)
- Insulation color: Black or Gray
- Product status: Active substitutes preferred for obsolete main part
- Contact material: Copper Alloy or Phosphor Bronze
- Manufacturer: Amphenol ICC (FCI) or Samtec Inc.
All substitute parts listed maintain electrical and mechanical compatibility within these parameters.
Parameter Comparison
| Parameter | 3M 963246-2000-AR-TP | Amphenol 89898-323LF | Amphenol 89898-423LF | Amphenol 91618-323LF | Amphenol 91618-423LF | Samtec SSM-123-F-DV | Samtec SSM-123-FM-DV | Samtec SSM-123-L-DV-A | Samtec SSM-123-L-DV-BE-A | Samtec SSM-123-L-DV-BE-K-TR | Samtec SSM-123-L-DV-BE-LC-TR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Positions | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 |
| Pitch - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Number of Rows | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Row Spacing - Mating | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" | 0.100" |
| Connector Type | Receptacle, Bottom or Top Entry | Receptacle, Bottom or Top Entry | Receptacle, Bottom or Top Entry | Receptacle, Bottom or Top Entry | Receptacle, Bottom or Top Entry | Receptacle, Pass Through | Receptacle, Pass Through | Receptacle, Pass Through | Receptacle, Bottom Entry | Receptacle, Bottom Entry | Receptacle, Bottom Entry |
| Contact Type | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket | Female Socket |
| Style | Board to Board | Board to Board | Board to Board | Board to Board | 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 |
| 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 |
| Contact Finish - Mating | Gold | Gold | Tin | Gold | Tin | Gold | Gold | Gold | Gold | Gold | Gold |
| Material Flammability Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 | Not specified | Not specified | Not specified | Not specified | Not specified | Not specified |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Insulation Material | Thermoplastic | Thermoplastic, Glass Filled | Thermoplastic, Glass Filled | Thermoplastic, Glass Filled | Thermoplastic, Glass Filled | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Contact Material | Copper Alloy | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
Engineering Selection Recommendations
Amphenol ICC (FCI) Dubox™ Series (89898 and 91618 Base Numbers)
The Amphenol 89898-323LF and 91618-323LF are active-status gold-plated alternatives with RoHS compliance and REACH affected status. These parts maintain the 46-position, 0.100" pitch configuration and UL94 V-0 flammability rating. The 91618 series includes board lock features. The 89898-423LF and 91618-423LF variants provide tin-plated contact finishes for applications where gold plating is not required.
Samtec Tiger Claw™ SSM Series
The Samtec SSM-123 series offers active-status alternatives with extended operating temperature range (-55°C to 125°C) and higher current ratings (5.2A per contact). These parts feature Liquid Crystal Polymer insulation and are available in multiple entry configurations: pass-through (SSM-123-F-DV, SSM-123-FM-DV), pass-through with board guide (SSM-123-L-DV-A), and bottom entry with board guide (SSM-123-L-DV-BE-A). The SSM-123-L-DV-BE-K-TR includes pick-and-place features, while SSM-123-L-DV-BE-LC-TR is supplied in tape and reel packaging with board lock features. All Samtec variants are ROHS3 compliant.
Selection Criteria by Application:
- For direct replacement in existing designs: Amphenol 89898-323LF or 91618-323LF (gold finish, standard entry)
- For enhanced thermal performance: Samtec SSM-123 series (extended temperature range)
- For automated assembly: Samtec SSM-123-L-DV-BE-K-TR (pick-and-place compatible)
- For tape and reel procurement: Samtec SSM-123-L-DV-BE-LC-TR
- For tin-plated applications: Amphenol 89898-423LF or 91618-423LF
Frequently Asked Questions (FAQ)
Q: Can I use a tin-plated substitute (89898-423LF) in place of the gold-plated original (963246-2000-AR-TP)?
A: Yes. Both gold and tin contact finishes are acceptable for this 46-position, 0.100" pitch connector category. Contact finish selection depends on application requirements and cost considerations. Tin plating is suitable for general-purpose board-to-board connections.
Q: What is the difference between Amphenol's 89898 and 91618 series?
A: Both series are electrically and mechanically equivalent 46-position receptacles with 0.100" pitch. The primary difference is that the 91618 series includes board lock features for enhanced mechanical retention. Select based on your mechanical fastening requirements.
Q: Are Samtec SSM-123 connectors compatible with the original 3M 963246-2000-AR-TP?
A: Yes, Samtec SSM-123 variants are mechanically and electrically compatible. They share the same 46-position, 0.100" pitch, and push-pull fastening. Key differences include extended operating temperature (-55°C to 125°C versus -25°C to 105°C), higher current rating (5.2A per contact versus 2A), and different entry configurations (pass-through or bottom entry versus bottom or top entry).
Q: What does "pass-through" connector type mean?
A: Pass-through connectors allow signal routing through the connector body, supporting both board-to-board and cable connections. Bottom entry and top entry connectors are restricted to board-to-board mating from specific directions.
Q: Which substitute part has the best availability?
A: All listed substitute parts are active-status components with current inventory. Amphenol 89898-323LF and Samtec SSM-123-L-DV-BE-A show the highest inventory levels (979 and 1162 units respectively).
Q: Are all substitute parts RoHS compliant?
A: Amphenol parts (89898 and 91618 series) are RoHS compliant. Samtec SSM-123 series parts are ROHS3 compliant. Both compliance levels are acceptable for current design standards.
Q: What packaging options are available?
A: Amphenol parts are supplied in tube packaging. Samtec SSM-123-L-DV-BE-LC-TR is supplied in tape and reel (TR) format for automated assembly. Other Samtec variants are available in tube or unspecified packaging.
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