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3M 951250-2520-AR-TP Equivalent & Substitute Parts
Part Overview
The 3M 951250-2520-AR-TP is a rectangular connector header for surface mount applications, featuring 50 positions across 2 rows with 0.079" (2.00mm) pitch. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The part operates across a temperature range of -25°C to 105°C and is rated for 1A current with UL94 V-0 flammability compliance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 951250-2520-AR-TP |
| Manufacturer | 3M |
| Category | Rectangular Connectors |
| Connector Type | Header |
| Contact Type | Male Pin |
| Number of Positions | 50 |
| Number of Rows | 2 |
| Pitch - Mating | 0.079" (2.00mm) |
| Row Spacing - Mating | 0.079" (2.00mm) |
| Mounting Type | Surface Mount |
| Style | Board to Board |
| Termination | Solder |
| Fastening Type | Push-Pull |
| Contact Length - Mating | 0.157" (4.00mm) |
| Contact Shape | Square |
| Contact Finish - Mating | Gold |
| Contact Material | Copper Alloy |
| Insulation Material | Thermoplastic |
| Operating Temperature | -25°C ~ 105°C |
| Material Flammability Rating | UL94 V-0 |
| Insulation Color | Black |
| Current Rating | 1A |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the 3M 951250-2520-AR-TP are grouped based on strict electrical and mechanical compatibility criteria. All substitute parts maintain the following core parameters:
- 50 positions across 2 rows
- 0.079" (2.00mm) mating pitch
- 0.079" (2.00mm) row spacing
- Surface mount solder termination
- Push-pull fastening
- Square contact shape
- Gold mating contact finish
- Copper alloy contact material
- Thermoplastic insulation
- Black insulation color
- UL94 V-0 flammability rating
- MSL 1 (Unlimited)
Substitute parts are available from Amphenol ICC (FCI) and Samtec Inc., all with active product status. Variations exist in packaging format (Box, Tube, Tape & Reel, Bulk), contact length specifications, current ratings, and compliance certifications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Product Status | Positions | Rows | Pitch (mm) | Row Spacing (mm) | Mounting Type | Contact Length - Mating (mm) | Contact Finish - Mating | Contact Material | Insulation Material | Current Rating | Operating Temperature | Flammability Rating | Packaging | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 951250-2520-AR-TP | 3M | Obsolete | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold | Copper Alloy | Thermoplastic | 1A | -25°C ~ 105°C | UL94 V-0 | - | - |
| 57202-F52-25LF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Box | RoHS Compliant |
| 57202-F52-25ULF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Tube | RoHS Compliant |
| 57202-G52-25A | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Tape & Reel (TR) | RoHS non-compliant |
| 57202-G52-25LF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Bulk | RoHS Compliant |
| 57202-G52-25ULF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Tube | RoHS Compliant |
| 57202-S52-25LF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Box | RoHS Compliant |
| 57202-S52-25ULF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 4.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Tube | RoHS Compliant |
| 91753-013TRLF | Amphenol ICC (FCI) | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 5.00 | Gold, GXT™ | Copper Alloy | Thermoplastic | 2A (AC/DC) | - | UL94 V-0 | Tape & Reel (TR) | RoHS Compliant |
| TMM-125-01-L-D-SM | Samtec Inc. | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 3.20 | Gold | Phosphor Bronze | Liquid Crystal Polymer (LCP) | 3.2A per Contact | -55°C ~ 125°C | UL94 V-0 | Tube | ROHS3 Compliant |
| TMM-125-01-L-D-SM-P-TR | Samtec Inc. | Active | 50 | 2 | 2.00 | 2.00 | Surface Mount | 3.20 | Gold | Phosphor Bronze | Liquid Crystal Polymer (LCP) | 3.2A per Contact | -55°C ~ 125°C | UL94 V-0 | Tape & Reel (TR) | ROHS3 Compliant |
Engineering Selection Recommendations
All substitute parts listed maintain active product status, ensuring long-term availability and manufacturing support. The Amphenol ICC (FCI) 57202 series parts offer direct mechanical and electrical compatibility with the 3M 951250-2520-AR-TP, with enhanced current ratings of 2A (AC/DC) and improved compliance certifications. The 57202-F52-25LF and 57202-F52-25ULF variants provide RoHS compliance in standard packaging formats.
For applications requiring higher current capacity and extended temperature range, the Samtec TMM-125 series provides 3.2A per contact rating and operates from -55°C to 125°C. These parts feature Liquid Crystal Polymer insulation and ROHS3 compliance. The TMM-125-01-L-D-SM is available in tube packaging, while TMM-125-01-L-D-SM-P-TR is supplied in tape and reel format for automated assembly.
The 91753-013TRLF from Amphenol ICC (FCI) offers increased mating contact length of 5.00mm and includes board guide features, suitable for applications requiring enhanced mechanical stability.
Frequently Asked Questions (FAQ)
Q: What are the critical parameters for substituting the 3M 951250-2520-AR-TP?
A: The critical parameters are 50 positions, 2 rows, 0.079" (2.00mm) mating pitch, 0.079" (2.00mm) row spacing, surface mount termination, push-pull fastening, square contact shape, and UL94 V-0 flammability rating. All listed substitutes maintain these specifications.
Q: Can I use the Samtec TMM-125 series as a direct replacement?
A: The Samtec TMM-125 series maintains all critical electrical and mechanical parameters. However, the contact length differs (3.20mm versus 4.00mm on the original part), and the insulation material is Liquid Crystal Polymer instead of Thermoplastic. The operating temperature range is also extended (-55°C to 125°C). These differences must be evaluated for your specific application requirements.
Q: What is the difference between the Amphenol ICC (FCI) 57202 variants?
A: The 57202 series variants differ primarily in packaging format and contact finish thickness. The F-series uses standard gold finish, while G-series and S-series use GXT™ enhanced gold finish with varying thicknesses. Packaging options include Box, Tube, Tape & Reel, and Bulk formats. All maintain the same electrical specifications and 2A (AC/DC) current rating.
Q: Are all substitute parts RoHS compliant?
A: Most substitute parts are RoHS compliant. The exception is 57202-G52-25A, which is RoHS non-compliant. The Samtec TMM-125 series is ROHS3 compliant. Verify compliance requirements for your application before selection.
Q: What packaging formats are available for high-volume assembly?
A: For automated pick-and-place assembly, tape and reel packaging is available: 57202-G52-25A, 91753-013TRLF, and TMM-125-01-L-D-SM-P-TR. Tube packaging is also suitable for semi-automated processes and is available across multiple part numbers.
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