MCP42100T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP42100T-E/ST is a digital potentiometer manufactured by Microchip Technology, classified as a Data Acquisition component. This integrated circuit provides 100k Ohm resistance with 2 circuits and 256 taps, controlled via SPI interface. The device is currently in active production status with 765 units available in stock. Alternative packaging options exist for applications requiring different supply chain or assembly configurations.

Substiute Parts

MCP42100T-E/ST

Microchip TechnologyIn Stock: 817MCP42100T-E/ST Datasheet

Current PartRFQ

MCP42100-E/ST

Microchip TechnologyIn Stock: 1033MCP42100-E/ST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MCP42100T-E/ST is determined by strict equivalence across all critical electrical and mechanical parameters. The primary differentiator between the main part and its substitute is packaging format. Both parts share identical electrical specifications, including 100k Ohm resistance, 256 taps, 2-circuit configuration, SPI interface, and operating voltage range of 2.7V to 5.5V. The substitute part maintains the same 14-TSSOP package footprint and all performance characteristics. The only distinction is the supply packaging: the main part is supplied in Tape & Reel (TR) format, while the substitute is supplied in Tube format. This difference affects procurement and assembly logistics but does not impact electrical or functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the MCP42100T-E/ST and MCP42100-E/ST are active production components from Microchip Technology with identical electrical and functional specifications. Selection between these parts should be based on supply chain requirements and assembly processes. The Tape & Reel format (MCP42100T-E/ST) is optimized for high-volume automated pick-and-place assembly operations. The Tube format (MCP42100-E/ST) is suitable for lower-volume applications or manual assembly workflows. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across global markets. Moisture sensitivity level MSL 1 indicates unlimited shelf life under standard storage conditions for both variants.

Frequently Asked Questions (FAQ)

Q: Are MCP42100T-E/ST and MCP42100-E/ST electrically identical?

A: Yes. Both parts have identical electrical specifications including 100k Ohm resistance, 256 taps, 2-circuit configuration, SPI interface, and operating voltage range of 2.7V to 5.5V.

Q: What is the difference between these two part numbers?

A: The primary difference is packaging format. MCP42100T-E/ST is supplied in Tape & Reel format, while MCP42100-E/ST is supplied in Tube format. Both use the same 14-TSSOP package footprint.

Q: Can I use MCP42100-E/ST as a direct replacement for MCP42100T-E/ST?

A: Yes, from an electrical and functional standpoint. However, the packaging format difference may affect assembly line compatibility. Tape & Reel format is designed for automated assembly, while Tube format is typically used for manual or lower-volume assembly.

Q: Do both parts have the same operating temperature range?

A: Yes. Both parts operate from -40°C to 125°C.

Q: Are there any compliance differences between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and have MSL 1 moisture sensitivity level.

Q: Which part should I select for high-volume production?

A: MCP42100T-E/ST in Tape & Reel format is optimized for high-volume automated assembly operations.

Q: Which part should I select for low-volume or prototype applications?

A: MCP42100-E/ST in Tube format is suitable for lower-volume applications or manual assembly workflows.