3M 963126-2000-AR-TP Equivalent & Substitute Parts

Part Overview

The 3M 963126-2000-AR-TP is a 26-position rectangular receptacle connector with 0.100" (2.54mm) pitch, designed for surface mount applications with gold-plated mating contacts. This connector features bottom or top entry configuration and push-pull fastening, rated for 2A per contact at 1000VDC. The product is currently obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	963126-2000-AR-TP
Manufacturer	3M
Number of Positions	26
Pitch - Mating	0.100" (2.54mm)
Connector Type	Receptacle, Bottom or Top Entry
Contact Type	Female Socket
Mounting Type	Surface Mount
Termination	Solder
Fastening Type	Push-Pull
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

Substitute parts for the 963126-2000-AR-TP are selected from the Samtec Tiger Claw™ SSM series based on the following critical parameters:

Matching Criteria:

26-position configuration with 0.100" (2.54mm) pitch
Female socket receptacle contacts
Surface mount solder termination
Push-pull fastening mechanism
Gold-plated mating contacts
Black insulation color
Square contact shape

Substitution Logic: The Samtec SSM-126 series provides direct functional equivalents with enhanced electrical performance. All substitute parts maintain the core 26-position, 0.1" pitch architecture. Variations within the substitute group address different connector entry configurations (pass-through, bottom entry), contact loading (all positions or 25 positions), and packaging formats (tube, tape & reel). The substitute parts operate at higher current ratings (5.2A per contact) and expanded voltage specifications (405VAC, 572VDC), providing superior performance margins compared to the original 3M part.

Parameter Comparison

Parameter	3M 963126-2000-AR-TP	Samtec SSM-126-F-SV	Samtec SSM-126-FM-SV	Samtec SSM-126-L-SV-BE	Samtec SSM-126-L-SV-K	Samtec SSM-126-L-SV-LC-TR	Samtec SSM-126-L-SV-P-TR
Number of Positions	26	26	26	26	26	26	26
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)
Connector Type	Receptacle, Bottom or Top Entry	Receptacle, Pass Through	Receptacle, Pass Through	Receptacle, Bottom Entry	Receptacle, Pass Through	Receptacle, Pass Through	Receptacle, Pass Through
Contact Type	Female Socket	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	Surface Mount
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold
Current Rating	2A	5.2A per Contact	5.2A per Contact	5.2A per Contact	5.2A per Contact	5.2A per Contact	5.2A per Contact
Voltage Rating	1000VDC	405VAC, 572VDC	405VAC, 572VDC	405VAC, 572VDC	405VAC, 572VDC	405VAC, 572VDC	405VAC, 572VDC
Operating Temperature	-25°C ~ 105°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
Insulation Material	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)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All Samtec SSM-126 series substitutes are active products with ROHS3 compliance, providing long-term design support and procurement continuity. The selection among substitute variants depends on specific application requirements:

SSM-126-L-SV-BE: Select for bottom entry applications requiring all 26 positions loaded. This variant directly addresses mechanical constraints where top entry is not feasible.

SSM-126-L-SV-K and SSM-126-L-SV-P-TR: Select for applications requiring pick-and-place assembly optimization. These variants include features supporting automated manufacturing processes.

SSM-126-L-SV-LC-TR and SSM-126-L-SV-LC-P-TR: Select for applications requiring board lock features combined with pick-and-place capability. Tape & reel packaging supports high-volume production workflows.

SSM-126-F-SV and SSM-126-FM-SV: Select for standard pass-through applications without specialized assembly requirements. These represent the baseline substitute options with full 26-position loading.

All substitute parts exceed the original part's electrical specifications, operating across expanded temperature ranges (-55°C to 125°C versus -25°C to 105°C) and delivering higher current capacity (5.2A per contact versus 2A).

Frequently Asked Questions (FAQ)

Q: Are Samtec SSM-126 series connectors mechanically compatible with the 3M 963126-2000-AR-TP?

A: Yes. Both the original and substitute parts share identical 26-position configuration with 0.100" (2.54mm) pitch, female socket contacts, surface mount solder termination, and push-pull fastening. Mechanical envelope and mating interface are compatible.

Q: What is the difference between pass-through and bottom entry connector types?

A: Pass-through connectors allow signal routing through the connector body to the opposite side of the PCB, enabling daisy-chain or multi-layer interconnect configurations. Bottom entry connectors terminate signals at the connector location without pass-through capability. Select based on PCB routing architecture requirements.

Q: Why do substitute parts specify 5.2A per contact instead of 2A?

A: The Samtec SSM-126 series uses phosphor bronze contacts with enhanced current-carrying geometry compared to the original 3M thermoplastic design. Higher current rating reflects improved contact material and design, not a requirement for your application. Existing 2A circuit designs operate safely with these substitutes.

Q: What does "positions loaded" mean in the part number?

A: This indicates how many of the 26 available contact positions are populated with actual contacts. "All" means all 26 positions contain contacts. "25" means one position is empty. Select based on your connector pin count requirement.

Q: What is the significance of tape & reel (TR) packaging?

A: Tape & reel packaging is optimized for automated pick-and-place assembly equipment. Select TR variants for high-volume production. Tube packaging is suitable for manual assembly or lower-volume applications.

Q: Are board lock features necessary for my application?

A: Board lock features (indicated by "LC" in part numbers) provide mechanical retention preventing accidental connector separation during handling or vibration. Select board lock variants for applications subject to mechanical stress or vibration environments. Standard variants without board lock are suitable for stationary or low-vibration applications.

Q: What does ROHS3 compliance mean?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance certifies that the connector meets European environmental standards restricting lead, cadmium, mercury, and other hazardous materials. All Samtec SSM-126 substitutes meet this requirement, supporting global procurement and regulatory compliance.

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