MCP4641T-104E/ST Equivalent & Substitute Parts

Part Overview

The MCP4641T-104E/ST is a digital potentiometer manufactured by Microchip Technology, classified as a Data Acquisition component. This device features a 100k Ohm resistance with 2 circuits and 129 taps, utilizing an I2C interface for control. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Alternative packaging configurations of this component may be required due to supply chain availability, inventory constraints, or specific procurement requirements for different manufacturing environments.

Substiute Parts

MCP4641T-104E/ST

Microchip TechnologyIn Stock: 4058MCP4641T-104E/ST Datasheet

Current PartRFQ

MCP4641-104E/ST

Microchip TechnologyIn Stock: 1916MCP4641-104E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP4641T-104E/ST is determined by strict equivalence across the following critical parameters: resistance value (100k Ohm), circuit count (2), tap resolution (129 taps), interface protocol (I2C), memory configuration (Non-Volatile), supply voltage range (1.8V ~ 5.5V), operating temperature range (-40°C ~ 125°C), package form factor (14-TSSOP), and mounting technology (Surface Mount). Parts meeting all these specifications are considered direct functional equivalents regardless of packaging format (Tape & Reel versus Tube). The base product number MCP4641 confirms device family compatibility. Tolerance, temperature coefficient, and wiper resistance remain consistent across all qualified substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both the MCP4641T-104E/ST and MCP4641-104E/ST are active production components from Microchip Technology with identical electrical and mechanical specifications. Selection between these parts should be based on packaging and procurement requirements. The Tape & Reel format (MCP4641T-104E/ST) is optimized for high-volume automated assembly operations. The Tube packaging format (MCP4641-104E/ST) is suitable for lower-volume applications or manual assembly environments. Both variants maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across manufacturing jurisdictions. The unlimited moisture sensitivity rating (MSL 1) permits storage without desiccant requirements.

Frequently Asked Questions (FAQ)

Q: Can MCP4641-104E/ST replace MCP4641T-104E/ST in production? A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format only: Tape & Reel versus Tube. Selection depends on assembly process requirements and inventory management practices.

Q: Are there any functional differences between these parts? A: No. Both parts share identical electrical characteristics, including 100k Ohm resistance, 2-circuit configuration, 129-tap resolution, I2C interface, non-volatile memory, supply voltage range (1.8V ~ 5.5V), and operating temperature range (-40°C ~ 125°C).

Q: What is the significance of the packaging difference? A: Tape & Reel packaging is designed for automated pick-and-place assembly systems used in high-volume manufacturing. Tube packaging is used for manual handling and lower-volume production runs. Both formats contain the same component.

Q: Do these parts require different handling or storage procedures? A: No. Both parts have identical moisture sensitivity levels (MSL 1 - Unlimited), meaning they do not require desiccant storage and can be handled under standard laboratory conditions.

Q: Are both parts compliant with environmental regulations? A: Yes. Both MCP4641T-104E/ST and MCP4641-104E/ST are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions.

Q: Can these parts be used interchangeably in the same circuit design? A: Yes. The electrical and thermal characteristics are identical, including tolerance (±20%), temperature coefficient (150ppm/°C), and wiper resistance (75 Ohms typical). Circuit performance will be equivalent.