MCP4141-503E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4141 is a single-channel 7-bit non-volatile digital potentiometer with 50 kOhm resistance and increment/decrement control in an 8-pin PDIP package. It offers 128-step resolution with EEPROM wiper memory. Available in stock worldwide with fast worldwide shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4141-503E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7640(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 MCP4141-503E/P?
- Non-volatile EEPROM wiper storage retains last resistance position across power cycles without host MCU intervention
- Increment/decrement UP/DOWN/CS pin interface requires only 3 GPIO lines, simplifying microcontroller integration
- Single-channel 50 kOhm with 128 steps provides 391-ohm step resolution in a through-hole PDIP-8 package
What is MCP4141-503E/P used for?
The MCP4141-503E/P suits prototyping, hobbyist circuits, and production designs that benefit from through-hole PDIP-8 assembly, such as audio volume controls, LED dimming circuits, and calibration trim replacements on industrial boards. Its non-volatile wiper memory eliminates factory calibration procedures that would otherwise require power-on programming. Low-volume and prototype boards take advantage of the PDIP footprint for easy breadboard and socket insertion.
What are the specifications of MCP4141-503E/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.2kHz |
| 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 | 50000Ω |
| 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 MCP4141-503E/P datasheet?
MCP4141-503E/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4141-503E/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the increment/decrement interface of the MCP4141-503E/P work compared to SPI-based digital potentiometers?
The MCP4141-503E/P uses a 3-wire UP/DOWN/CS hardware interface rather than SPI, where UP and DOWN pulses move the wiper one 391-ohm step per clock edge. This eliminates the need for a full SPI peripheral, letting a microcontroller use any 3 GPIO lines to adjust the 50 kOhm resistance across 128 steps.
What total resistance and step resolution does the MCP4141-503E/P offer for use in audio volume control circuits?
The device provides a 50 kOhm end-to-end resistance divided into 128 equal steps, giving a resolution of approximately 391 ohms per step. For audio volume control, this allows gradual gain adjustment in an inverting op-amp stage where the wiper position sets the feedback ratio, covering a wide attenuation range without audible clicking.
Does the MCP4141-503E/P retain its wiper position when power is removed?
Yes. The wiper position is stored in an on-chip EEPROM, which retains data for at least 100 years at 25°C and survives more than 1 million write cycles. On power-up, the device restores its last saved position automatically, making it suitable for one-time factory calibration of gain or bias circuits without firmware re-programming.
For a replacement of a manual trim-pot in a production board, what supply voltage range does the MCP4141-503E/P support?
The MCP4141-503E/P operates from 1.8 V to 5.5 V, covering common 3.3 V and 5 V system rails. Its wiper resistance is specified over this full range, and the 50 kOhm end-to-end resistance remains within ±20% tolerance across the -40°C to +85°C industrial temperature range, providing reliable trim-pot replacement in industrial control boards.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1600 | $1.16 |
| 25+ | $0.9600 | $24.00 |
| 100+ | $0.8700 | $87.00 |
| 1000+ | $0.8400 | $840.00 |
| 5000+ | $0.8300 | $4150.00 |
| 5040+ | $0.7640 | $3850.56 |
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