MCP4342T-104E/ST Equivalent & Substitute Parts

Part Overview

The MCP4342T-104E/ST is a digital potentiometer manufactured by Microchip Technology, classified as a data acquisition component. This 100kΩ 4-circuit device features 129 taps, SPI interface control, and non-volatile memory, operating across a 1.8V to 5.5V supply range. The part is actively produced and ROHS3 compliant. Substitute parts are identified when packaging or distribution formats differ while maintaining identical electrical and mechanical specifications, ensuring functional equivalence in circuit applications.

Substiute Parts

MCP4342T-104E/ST

Microchip TechnologyIn Stock: 764MCP4342T-104E/ST Datasheet

Current PartRFQ

MCP4342-104E/ST

Microchip TechnologyIn Stock: 878MCP4342-104E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP4342T-104E/ST is determined by strict equivalence across all electrical and mechanical parameters. The primary differentiator between the main part and identified substitutes is packaging format: the main part is supplied in Tape & Reel (TR) format, while the substitute part MCP4342-104E/ST is supplied in Tube format. Both parts share identical specifications across resistance value, circuit count, tap configuration, interface protocol, memory characteristics, voltage ratings, tolerance, temperature performance, mounting technology, and package outline. The base product number MCP4342 remains constant, confirming functional interchangeability. Substitution is valid when packaging format does not constrain application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both MCP4342T-104E/ST and MCP4342-104E/ST are active products from Microchip Technology with identical ROHS3 compliance and REACH unaffected status. Selection between these parts depends solely on packaging and supply chain requirements. The Tape & Reel format (MCP4342T-104E/ST) is optimized for high-volume automated assembly operations. The Tube format (MCP4342-104E/ST) is suitable for lower-volume applications or manual assembly workflows. Both parts carry MSL Level 1 rating, indicating unlimited shelf life under standard storage conditions. No electrical or thermal performance differences exist between the two variants.

Frequently Asked Questions (FAQ)

Q: Can MCP4342-104E/ST replace MCP4342T-104E/ST in production? A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format only. Substitution is valid if your assembly process accommodates Tube packaging instead of Tape & Reel.

Q: Are there any pin configuration differences between these parts? A: No. Both parts use the 14-TSSOP package outline with identical pinout, footprint, and electrical connections.

Q: Do these parts have different temperature or voltage ratings? A: No. Both operate across -40°C to 125°C and accept 1.8V to 5.5V supply voltage with identical performance characteristics.

Q: What is the significance of the "T" in MCP4342T-104E/ST? A: The "T" designates Tape & Reel packaging format. The absence of "T" in MCP4342-104E/ST indicates Tube packaging. Electrical specifications remain identical.

Q: Are both parts ROHS3 compliant? A: Yes. Both MCP4342T-104E/ST and MCP4342-104E/ST are ROHS3 compliant with MSL Level 1 moisture sensitivity rating.

Q: Can I mix these parts in the same production batch? A: Yes, provided your assembly equipment can process both Tape & Reel and Tube formats. Electrical performance and reliability are equivalent.