MCP4131-103E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock

Name: MCP4131-103E/P
Brand: Microchip
SKU: MCP4131-103E/P
Availability: InStock

MCP4131-103E/P is a single-channel 8-bit SPI digital potentiometer with 128 steps and 10kΩ end-to-end resistance offering increment/decrement control in a through-hole PDIP-8 package with 1kHz bandwidth. Key specs include volatile wiper storage and 2.7V to 5.5V supply range. Available from stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP4131-103E/PDual-In-Line Packages

Quick Facts

Manufacturer: Microchip
Package: Dual-In-Line Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MCP4131-103E/P Datasheet PDF
Category: Integrated Circuit
Price: From $0.5300(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP4131-103E/P?

Single-channel 10kΩ digital potentiometer with 128-step resolution via SPI increment/decrement control for precise software-adjustable resistance
1kHz bandwidth and volatile wiper position in PDIP-8 through-hole package enabling easy prototyping and breadboard development
2.7V to 5.5V supply voltage compatibility allowing use with both 3.3V and 5V microcontroller systems without level translation

What is MCP4131-103E/P used for?

MCP4131-103E/P suits audio volume and tone control circuits, LCD contrast adjustment, and programmable biasing in op-amp stages where a software-controlled 10kΩ resistance with 128 steps simplifies calibration. Its PDIP-8 through-hole package is particularly practical for development boards, educational kits, and low-volume prototypes requiring easy hand-soldering or breadboard insertion.

What are the specifications of MCP4131-103E/P?

Pbfree Code	Yes
Manufacturer Package Code	PDIP-8
Factory Lead Time	8Weeks
YTEOL	9
Bandwidth-Nom	1kHz
Control Interface	INCREMENT/DECREMENT
Converter Type	DIGITAL POTENTIOMETER
JESD-30 Code	R-PDIP-T8
JESD-609 Code	e3
Number of Functions	1
Number of Positions	129
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	DIP8,.3
Package Shape	RECTANGULAR
Package Style	IN-LINE
Qualification Status	Not Qualified
Resistance Law	LINEAR
Resistance Tolerance-Max	20%
Resistor Terminal Voltage-Max	5V
Supply Current-Max	1mA
Supply Voltage-Nom	5V
Surface Mount	NO
Technology	CMOS
Temperature Coefficient-Nom	150ppm/°C
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	THROUGH-HOLE
Terminal Pitch	2.54mm
Terminal Position	DUAL
Total Resistance-Nom	10000Ω
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Thailand

Where can I find the MCP4131-103E/P datasheet?

MCP4131-103E/P Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP4131-103E/P?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How many resistance steps does MCP4131-103E/P provide over its 10kΩ range and what step resolution does this yield?

MCP4131-103E/P provides 128 wiper positions across its 10kΩ end-to-end resistance, giving a nominal step size of approximately 78Ω per increment. This 7-bit resolution is sufficient for audio volume control, LCD contrast tuning, and sensor offset calibration where smooth incremental adjustment is required without the need for 256-step 8-bit precision.

Which supply voltage range does MCP4131-103E/P support and how does this affect compatibility with different microcontroller platforms?

MCP4131-103E/P operates from 2.7V to 5.5V, making it directly compatible with 3.3V ARM Cortex-M or PIC microcontrollers and 5V AVR or PIC8 systems without requiring a level shifter or separate power rail. This dual-voltage compatibility simplifies BOM and schematic design in mixed-voltage development environments and reduces component count in production hardware.

When is MCP4131-103E/P a practical choice over its SOIC-packaged equivalent for a design engineer?

MCP4131-103E/P in PDIP-8 through-hole format is preferred over SOIC variants during prototyping, benchtop evaluation, and educational lab settings where breadboard insertion and hand-soldering are required. For designs using 10kΩ resistance with 128 steps and 1kHz bandwidth that do not require compact SMT layout, the PDIP-8 package reduces rework risk and allows easy replacement or swap during iterative circuit development.

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Reference Price (USD)

From $0.5300

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Unit price: $0.5300 · Total: $0.53

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Lead Time3-7 business days

MOQFrom 1 piece

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OriginChina (Authorized)

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MCP4131-103E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of MCP4131-103E/P?

What is MCP4131-103E/P used for?

What are the specifications of MCP4131-103E/P?

Compliance & Regulatory

Where can I find the MCP4131-103E/P datasheet?

What are equivalent replacements for MCP4131-103E/P?

Frequently Asked Questions

How many resistance steps does MCP4131-103E/P provide over its 10kΩ range and what step resolution does this yield?

Which supply voltage range does MCP4131-103E/P support and how does this affect compatibility with different microcontroller platforms?

When is MCP4131-103E/P a practical choice over its SOIC-packaged equivalent for a design engineer?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

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