MCP4131-502E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock

Name: MCP4131-502E/P
Brand: Microchip
SKU: MCP4131-502E/P
Availability: InStock

The MCP4131-502E/P is a single-channel 5 kΩ SPI digital potentiometer with 128 wiper positions and increment/decrement control interface, offering 2 kHz bandwidth in an 8-pin PDIP package for programmable resistance adjustment.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP4131-502E/PDual-In-Line Packages

Quick Facts

Manufacturer: Microchip
Package: Dual-In-Line Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MCP4131-502E/P Datasheet PDF
Category: Integrated Circuit
Price: From $0.5770(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 MCP4131-502E/P?

Single-channel 5 kΩ end-to-end resistance with 128 wiper positions for fine resolution
SPI increment/decrement control interface for easy microcontroller integration
2 kHz bandwidth enabling use in audio and signal path applications
Non-volatile memory-free design with volatile wiper position in 8-pin PDIP
RoHS-compliant lead-free construction with JESD-609 code e3
Single function device simplifying firmware and hardware design

What is MCP4131-502E/P used for?

The MCP4131-502E/P is used in programmable gain circuits, digitally controlled biasing networks, and volume control stages in audio and instrumentation equipment. Its SPI increment/decrement interface allows a microcontroller to step through 128 resistance positions, making it suitable for adaptive filter tuning, LED dimming, and calibration offset adjustment in prototyping and low-volume production boards.

What are the specifications of MCP4131-502E/P?

Pbfree Code	Yes
Manufacturer Package Code	PDIP-8
Factory Lead Time	8Weeks
YTEOL	9
Bandwidth-Nom	2kHz
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	5000Ω
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
HTS Code	8542.39.00.60
Country of Origin	Thailand

Where can I find the MCP4131-502E/P datasheet?

MCP4131-502E/P Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP4131-502E/P?

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

Frequently Asked Questions

How many wiper positions does the MCP4131-502E/P provide, and what resistance step size does that yield for a 5 kΩ end-to-end value?

The MCP4131-502E/P has 128 wiper positions over a 5 kΩ end-to-end resistance, giving an approximate step size of 39 Ω per step. This fine resolution allows precise digital adjustment of gain, bias, or filter cutoff frequency in analog signal chains.

What SPI control interface does the MCP4131-502E/P use, and how does it interface with a 3.3 V microcontroller?

The MCP4131-502E/P uses an SPI increment/decrement command interface compatible with standard 4-wire SPI peripherals. It operates from a supply voltage compatible with 3.3 V and 5 V microcontroller I/O levels, requiring no external level shifting for most modern MCU designs.

What bandwidth does the MCP4131-502E/P support, and for which frequency ranges is it unsuitable?

The MCP4131-502E/P has a nominal bandwidth of 2 kHz, which restricts its use to low-frequency signal paths such as audio volume control or DC bias adjustment. For RF, video, or high-frequency analog signal chains above a few kHz, a higher-bandwidth digital potentiometer would be required.

Is the MCP4131-502E/P in a DIP package suitable for prototype breadboard development before moving to an SMT variant?

Yes. The MCP4131-502E/P comes in an 8-pin 0.300-inch PDIP package, which is directly breadboard-compatible. Engineers can prototype the resistance control circuit and SPI firmware on a breadboard, then migrate to the MCP4131-502E/SN SOIC-8 variant for production PCBs with minimal firmware changes.

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AvailabilityIn Stock

Reference Price (USD)

From $0.5770

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.9600	$0.96
100+	$0.7300	$73.00
1000+	$0.6900	$690.00
5000+	$0.6800	$3400.00
5040+	$0.5780	$2913.12
7500+	$0.5770	$4327.50

pcs

Unit price: $0.9600 · Total: $0.96

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MCP4131-502E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of MCP4131-502E/P?

What is MCP4131-502E/P used for?

What are the specifications of MCP4131-502E/P?

Compliance & Regulatory

Where can I find the MCP4131-502E/P datasheet?

What are equivalent replacements for MCP4131-502E/P?

Frequently Asked Questions

How many wiper positions does the MCP4131-502E/P provide, and what resistance step size does that yield for a 5 kΩ end-to-end value?

What SPI control interface does the MCP4131-502E/P use, and how does it interface with a 3.3 V microcontroller?

What bandwidth does the MCP4131-502E/P support, and for which frequency ranges is it unsuitable?

Is the MCP4131-502E/P in a DIP package suitable for prototype breadboard development before moving to an SMT variant?

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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