MCP41050-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP41050-E/SN is a single-channel SPI digital potentiometer with 256 resistance steps and a 50 kΩ end-to-end resistance in an 8-pin SOIC package. It uses a 3-wire SPI serial interface and operates with a 0.28 kHz nominal bandwidth, enabling precise software-controlled resistance adjustment. Available from stock with Pb-free RoHS-compliant construction and worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP41050-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5000(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 MCP41050-E/SN?
- Single-channel digital potentiometer with 256 resistance steps and 50 kΩ end-to-end resistance for fine-grained software-programmable voltage division
- 3-wire SPI serial interface enables direct control from any SPI-capable MCU with minimal GPIO usage and simple firmware integration
- Compact 8-pin SOIC-8 Pb-free package with 0.28 kHz bandwidth, suited for audio, calibration, and signal-conditioning applications
What is MCP41050-E/SN used for?
The MCP41050-E/SN is used in applications requiring digitally adjustable resistance, such as programmable gain amplifiers, LCD contrast and backlight control, audio volume control circuits, and sensor offset calibration systems. Its 3-wire SPI interface makes it easy to integrate with PIC, AVR, and ARM microcontrollers, enabling dynamic resistance adjustment under firmware control without mechanical potentiometers. The SOIC-8 package allows straightforward PCB assembly in automated production for consumer electronics and industrial instrumentation.
What are the specifications of MCP41050-E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 10 |
| Bandwidth-Nom | 0.28kHz |
| Control Interface | 3-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 256 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 800ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 50000Ω |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Thailand |
Where can I find the MCP41050-E/SN datasheet?
MCP41050-E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP41050-E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps and what end-to-end resistance does the MCP41050-E/SN provide?
The MCP41050-E/SN offers 256 resistance steps with a 50 kΩ end-to-end (full-scale) resistance, giving each step an increment of approximately 196 Ω. This resolution is sufficient for most programmable gain, calibration, and volume-control applications in 8-bit embedded systems.
Which serial interface does the MCP41050-E/SN use, and what does that mean for MCU integration effort?
The MCP41050-E/SN uses a 3-wire SPI serial interface, meaning only 3 signal lines (CS, SCK, SI) are needed to connect it to an SPI-capable microcontroller. This minimal wiring reduces PCB routing complexity and allows the device to share a common SPI bus with other peripherals.
For a programmable gain amplifier circuit operating at audio frequencies, is the MCP41050-E/SN's 0.28 kHz bandwidth sufficient?
The MCP41050-E/SN has a nominal bandwidth of 0.28 kHz (280 Hz), which is adequate for low-frequency control signals, DC offset calibration, and slow-changing gain adjustment, but it is not suited for high-speed audio signal paths; it is best used in the feedback network of an op-amp rather than directly in the audio signal path.
When would a designer choose the MCP41050-E/SN over a dual-channel digital potentiometer like the MCP42050?
A designer chooses the single-channel MCP41050-E/SN over the MCP42050 when only 1 adjustable resistance is needed, saving the 8-pin SOIC-8 footprint and reducing cost; the MCP42050 adds a second independent 50 kΩ 256-step channel in the same package size, which is unnecessary for single-axis gain or contrast control.
Related Guides
LM34966QPWPRQ1 Converter Selection and Procurement Guide
Select LM34966QPWPRQ1 and compare four power-management paths using topology, compatibility, qualification, and procurement checks.
Oct 27, 2026
ERJ-2RKF49R9X Design Guide for PCB Validation
Validate a 49.9 ohm resistor position with power calculations, termination topology, thermal checks, and controlled PCB measurements.
Oct 27, 2026
LM34966QPWPRQ1 Design Guide for SEPIC Power Supplies
Design an LM34966QPWPRQ1 SEPIC supply with practical current, voltage, magnetic, thermal, and validation checks.
Oct 26, 2026
NSI50350AST3G Selection Guide: Package, Current and Procurement Fit
Select NSI50350AST3G and screen four NSI alternatives by current, package, thermal limits, compliance evidence, and traceable supply.
Oct 26, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.0600 | $2.06 |
| 100+ | $1.5700 | $157.00 |
| 1000+ | $1.5100 | $1510.00 |
| 5000+ | $1.5000 | $7500.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit