MCP42050T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP42050T-E/ST is a digital potentiometer manufactured by Microchip Technology, classified as a Data Acquisition component. This integrated circuit provides a 50kΩ dual-channel digitally controlled resistance network with 256 taps per channel, controlled via SPI interface. The device is currently in active production status with 730 units available in stock. Alternative part sourcing becomes necessary due to supply chain constraints, packaging preferences, or inventory availability across different distribution channels.

Substiute Parts

MCP42050T-E/ST

Microchip TechnologyIn Stock: 779MCP42050T-E/ST Datasheet

Current PartRFQ

MCP42050-E/ST

Microchip TechnologyIn Stock: 742MCP42050-E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP42050T-E/ST is determined by strict equivalence across the following critical parameters:

• Resistance value: 50kΩ
• Number of circuits: 2
• Number of taps: 256
• Interface protocol: SPI
• Supply voltage range: 2.7V ~ 5.5V
• Operating temperature range: -40°C ~ 125°C
• Package designation: 14-TSSOP
• Memory type: Volatile
• Taper characteristic: Linear

The primary distinction between the main part and substitute parts lies in packaging format (Tape & Reel versus Tube), which does not affect electrical or functional performance. Both packaging options maintain identical component specifications and are suitable for equivalent circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the MCP42050T-E/ST and MCP42050-E/ST are active production components from Microchip Technology with identical electrical specifications and functional performance. Selection between these parts should be based on packaging requirements and supply chain logistics:

The MCP42050T-E/ST in Tape & Reel format is suitable for high-volume automated assembly operations where reel-fed component placement equipment is utilized. The MCP42050-E/ST in Tube packaging is appropriate for lower-volume applications, manual assembly processes, or situations where reel packaging is not required.

Both parts maintain full compliance with ROHS3 and REACH regulations, carry MSL Level 1 (unlimited moisture sensitivity), and are classified under ECCN EAR99 with HTSUS code 8542.39.0001. No functional or reliability differences exist between these variants.

Frequently Asked Questions (FAQ)

Q: Are MCP42050T-E/ST and MCP42050-E/ST electrically identical?

A: Yes. Both parts share identical electrical specifications, including 50kΩ resistance, 256 taps, SPI interface, supply voltage range (2.7V ~ 5.5V), and operating temperature range (-40°C ~ 125°C). The only difference is packaging format.

Q: What is the difference between Tape & Reel and Tube packaging?

A: Tape & Reel packaging is designed for automated pick-and-place assembly equipment, where components are fed continuously from a reel. Tube packaging contains loose components suitable for manual assembly or lower-volume production. Both formats contain the same component with identical specifications.

Q: Can I use MCP42050-E/ST as a direct replacement for MCP42050T-E/ST?

A: Yes, provided your assembly process can accommodate Tube packaging instead of Tape & Reel format. The electrical and functional performance are identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical RoHS3 compliance, REACH unaffected status, MSL Level 1 rating, and ECCN/HTSUS classifications.

Q: What does the "T" in MCP42050T-E/ST indicate?

A: The "T" designates Tape & Reel packaging format. The absence of "T" in MCP42050-E/ST indicates Tube packaging.