MCP4261T-103E/ML Equivalent & Substitute Parts

Part Overview

The MCP4261T-103E/ML is a digital potentiometer manufactured by Microchip Technology, classified as a Data Acquisition component. This integrated circuit provides a 10kΩ resistance network with 257 taps, dual-circuit configuration, and SPI interface control. The device operates across a supply voltage range of 1.8V to 5.5V and maintains non-volatile memory for wiper position retention.

The MCP4261T-103E/ML is currently in Active product status. Identifying equivalent and substitute parts becomes necessary when the Tape & Reel (TR) packaging format is unavailable or when alternative packaging configurations better suit procurement requirements or inventory management strategies.

Substiute Parts

MCP4261T-103E/ML

Microchip TechnologyIn Stock: 2138MCP4261T-103E/ML Datasheet

Current PartRFQ

MCP4261-103E/ML

Microchip TechnologyIn Stock: 1422MCP4261-103E/ML Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP4261T-103E/ML is determined by strict equivalence across the following critical parameters:

• Resistance value: 10kΩ
• Number of circuits: 2
• Number of taps: 257
• Interface protocol: SPI
• Memory type: Non-Volatile
• Supply voltage range: 1.8V ~ 5.5V
• Tolerance: ±20%
• Temperature coefficient: 150ppm/°C
• Operating temperature range: -40°C ~ 125°C
• Mounting type: Surface Mount
• Package type: 16-VQFN Exposed Pad (4x4)
• Wiper resistance: 75Ω typical
• Base product series: MCP4261

The primary distinction between the main part and identified substitutes lies in packaging format. The MCP4261T-103E/ML is supplied in Tape & Reel (TR) configuration, while substitute parts may be available in alternative packaging formats such as Tube. All electrical and functional specifications remain identical across equivalent parts.

Parameter Comparison

Engineering Selection Recommendations

Both the MCP4261T-103E/ML and MCP4261-103E/ML maintain Active product status from Microchip Technology, ensuring continued manufacturer support and availability. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.

The MCP4261-103E/ML substitute part offers improved moisture sensitivity characteristics (MSL 1 with unlimited shelf life) compared to the main part (MSL 3 with 168-hour limitation). This difference may provide advantages in storage and handling scenarios where extended shelf life or reduced moisture exposure risk is beneficial.

Selection between these parts should be based on packaging format requirements and moisture sensitivity considerations specific to your procurement and storage conditions. Both parts are electrically and functionally equivalent for circuit design purposes.

Frequently Asked Questions (FAQ)

Q: Are the MCP4261T-103E/ML and MCP4261-103E/ML electrically identical?

A: Yes. Both parts share identical electrical specifications, including resistance value, tap count, interface protocol, supply voltage range, temperature coefficient, and operating temperature range. The primary difference is packaging format: Tape & Reel versus Tube.

Q: What does the packaging format difference mean for my application?

A: Packaging format affects procurement, handling, and storage logistics. Tape & Reel (TR) packaging is optimized for automated assembly processes, while Tube packaging is suitable for manual handling or smaller quantity orders. Both formats contain the same component with identical electrical performance.

Q: Does the moisture sensitivity level difference affect circuit performance?

A: Moisture sensitivity level (MSL) does not affect electrical performance during operation. MSL ratings specify storage and handling requirements before component soldering. The MCP4261-103E/ML (MSL 1) requires less stringent moisture control during storage compared to the MCP4261T-103E/ML (MSL 3).

Q: Can I use these parts interchangeably on the same PCB?

A: Yes. Both parts use identical 16-VQFN Exposed Pad (4x4) packaging and have identical pinouts, electrical characteristics, and functional specifications. PCB layout and schematic connections require no modification when substituting between these parts.

Q: Are both parts currently available from the manufacturer?

A: Both parts maintain Active product status with Microchip Technology, indicating current manufacturer support and availability.