963103-2000-AR-TP Equivalent & Substitute Parts

Part Overview

The 3M 963103-2000-AR-TP is a 3-position rectangular receptacle connector with 0.100" (2.54mm) pitch, designed for surface mount applications with gold-plated mating contacts. This connector operates across -25°C to 105°C and supports 2A current at 1000VDC. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Key Parameters

Parameter	963103-2000-AR-TP
Manufacturer	3M
Connector Type	Receptacle, Bottom or Top Entry
Number of Positions	3
Pitch - Mating	0.100" (2.54mm)
Contact Type	Female Socket
Mounting Type	Surface Mount
Termination	Solder
Contact Finish - Mating	Gold
Current Rating	2A
Voltage Rating	1000VDC
Operating Temperature	-25°C ~ 105°C
Insulation Material	Thermoplastic
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following core parameters:

Connector Type & Entry Method: Receptacle configuration (bottom entry, top entry, or pass-through acceptable)
Position Count & Pitch: Exactly 3 positions at 0.100" (2.54mm) mating pitch
Contact Configuration: Female socket contacts with gold mating finish
Mounting & Termination: Surface mount with solder termination
Electrical Ratings: Voltage rating ≥1000V; current rating ≥2A
Operating Temperature Range: Must encompass or exceed -25°C to 105°C
Fastening Type: Push-pull mechanism
Insulation Material & Color: Black insulation

All substitute parts listed meet these criteria. Variations in contact finish thickness, insulation material composition (PPS vs. thermoplastic), and connector entry method (pass-through vs. bottom entry) are permitted within the substitution scope, as these do not affect functional compatibility in standard board-to-board applications.

Parameter Comparison

Parameter	963103-2000-AR-TP	68402-203LF	68402-303LF	SSM-103-F-SV-BE	SSM-103-F-SV-LC	SSM-103-L-SV-BE-LC-K-TR
Manufacturer	3M	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Samtec Inc.	Samtec Inc.	Samtec Inc.
Number of Positions	3	3	3	3	3	3
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)
Contact Type	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket	Female Socket
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold
Voltage Rating	1000VDC	1000V	1000V	405VAC, 572VDC	405VAC, 572VDC	405VAC, 572VDC
Operating Temperature	-25°C ~ 105°C	-65°C ~ 125°C	-65°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Insulation Color	Black	Black	Black	Black	Black	Black
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: 68402-203LF (Amphenol ICC)

The 68402-203LF is the manufacturer-recommended substitute. It maintains electrical parity with the original part (1000V rating) while offering superior operating temperature range (-65°C to 125°C). The part is active in production with RoHS compliance certification, ensuring long-term availability and regulatory alignment. Contact finish thickness (15.0µin) and insulation material (PPS, glass-filled) provide enhanced durability compared to the original thermoplastic construction.

Secondary Recommendation: 68402-303LF (Amphenol ICC)

The 68402-303LF is functionally equivalent to 68402-203LF with identical electrical and thermal specifications. This part is also active and RoHS compliant. The primary distinction is contact finish thickness (30.0µin vs. 15.0µin), which provides additional contact durability for high-cycle mating applications.

Alternative Options: Samtec Tiger Claw™ SSM Series

The SSM-103-F-SV-BE, SSM-103-F-SV-LC, and SSM-103-L-SV-BE-LC-K-TR connectors provide functional substitution with enhanced current capacity (5.2A per contact vs. 2A). These parts operate at reduced voltage ratings (405VAC/572VDC) and narrower temperature range (-55°C to 125°C). Selection of Samtec alternatives is appropriate only when the application does not require the full 1000V rating and can accommodate the specified voltage and temperature parameters. All Samtec options are active and ROHS3 compliant.

Compliance Considerations

For applications requiring RoHS compliance, select 68402-203LF, 68402-303LF, or any Samtec SSM variant. The original 3M part and 68402-303 (non-LF variant) are not RoHS compliant and should not be specified for new designs subject to RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can I use SSM-103 series connectors as a direct replacement for the 963103-2000-AR-TP?

A: SSM-103 connectors are functionally compatible for board-to-board applications requiring ≤405VAC or ≤572VDC. However, they are not suitable for applications requiring the full 1000VDC rating of the original part. Verify your application voltage requirements before selection.

Q: What is the difference between 68402-203LF and 68402-303LF?

A: Both parts are electrically and thermally identical. The primary difference is contact finish thickness: 68402-203LF has 15.0µin gold plating, while 68402-303LF has 30.0µin. The thicker plating in 68402-303LF provides extended contact life in high-cycle mating environments.

Q: Are there packaging differences between substitute options?

A: Yes. The 68402-203LF and 68402-303LF are supplied in tube packaging. Samtec SSM variants are available in tube, bulk, or unspecified packaging depending on the specific part number suffix. Verify packaging requirements with your procurement specification.

Q: Does the insulation material change affect PCB layout or assembly?

A: No. The substitute parts maintain identical pitch (0.100"), position count (3), and surface mount footprint compatibility. Insulation material composition (PPS vs. thermoplastic) does not affect PCB layout or standard reflow assembly processes.

Q: Which substitute part offers the best long-term availability?

A: The 68402-203LF and 68402-303LF are recommended for long-term availability assurance. Both are active production parts from a major connector manufacturer with established supply chains. Samtec SSM series parts are also active but represent a different connector family with distinct mechanical interfaces.

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