MCP4361T-503E/ST Equivalent & Substitute Parts

Part Overview

The MCP4361T-503E/ST is a digital potentiometer manufactured by Microchip Technology, categorized as a Data Acquisition component. This integrated circuit provides 50kΩ resistance with 4 circuits and 257 taps, controlled via SPI interface with non-volatile memory. The part is actively produced and widely used in precision analog signal conditioning applications. Alternative packaging configurations and sourcing options are available to accommodate different procurement requirements and supply chain constraints.

Substiute Parts

MCP4361T-503E/ST

Microchip TechnologyIn Stock: 1000216MCP4361T-503E/ST Datasheet

Current PartRFQ

MCP4361-503E/ST

Microchip TechnologyIn Stock: 3766MCP4361-503E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCP4361T-503E/ST is determined by strict equivalence across the following critical parameters:

• Resistance value: 50kΩ
• Circuit configuration: 4 circuits
• Tap count: 257 taps
• Control interface: SPI
• Memory architecture: Non-volatile
• Supply voltage range: 1.8V ~ 5.5V
• Package type: 20-TSSOP
• Electrical tolerance: ±20%
• Temperature coefficient: 150ppm/°C
• Operating temperature range: -40°C ~ 125°C

The primary substitute identified is MCP4361-503E/ST, which maintains identical electrical specifications and package configuration. The distinction between these parts lies in packaging format (Cut Tape & Digi-Reel® versus Tube) and moisture sensitivity level classification, which do not affect functional performance or circuit compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both MCP4361T-503E/ST and MCP4361-503E/ST are active products from Microchip Technology with identical electrical and functional specifications. Selection between these parts should be based on procurement and storage requirements:

The MCP4361-503E/ST in Tube packaging with MSL 1 rating provides superior moisture protection and unlimited shelf life under standard storage conditions, making it suitable for applications with extended inventory holding periods or storage in non-controlled environments.

The MCP4361T-503E/ST in Cut Tape & Digi-Reel® packaging with MSL 3 rating is appropriate for high-volume manufacturing environments with rapid component utilization and controlled storage conditions.

Both parts maintain full compliance with ROHS3 and REACH regulations, ensuring regulatory compatibility across global markets.

Frequently Asked Questions (FAQ)

Q: Are MCP4361T-503E/ST and MCP4361-503E/ST electrically interchangeable?

A: Yes. Both parts are functionally identical with respect to resistance value, circuit configuration, tap count, SPI interface, supply voltage range, temperature coefficient, and operating temperature range. They can be used interchangeably in circuit designs without modification.

Q: What is the difference between Cut Tape & Digi-Reel® and Tube packaging?

A: These are packaging and delivery formats. Cut Tape & Digi-Reel® is used for automated pick-and-place assembly lines, while Tube packaging is used for manual assembly or lower-volume applications. The electrical performance of the component is identical.

Q: What does MSL (Moisture Sensitivity Level) mean for component selection?

A: MSL indicates the maximum time a component can be exposed to moisture at specified temperature and humidity conditions before soldering. MSL 1 (Unlimited) allows indefinite storage under standard conditions. MSL 3 (168 Hours) requires soldering within 168 hours of package opening in humid environments. Selection depends on your manufacturing environment and inventory management practices.

Q: Can I use MCP4361-503E/ST as a direct replacement for MCP4361T-503E/ST in existing designs?

A: Yes. No circuit modifications are required. The substitute part maintains identical electrical specifications, pin configuration, and package dimensions.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both MCP4361T-503E/ST and MCP4361-503E/ST are ROHS3 Compliant and REACH Unaffected, meeting regulatory requirements for electronic components in regulated markets.