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Description
MICROCHIP MCP4131-103E/SN Volatile Digital Potentiometer, 10 kohm, Single, Serial, SPI, Linear, ± 20%, 1.8 VThe MCP4131 103E SN is a 7 bit (129 wiper steps) non volatile Digital Potentiometer with volatile memory, programmed reprogrammed through an SPI compatible interface. It features zero to full scale wiper operation. It supports split rail applications. 128 Resistors with taps to VSS and VDD SPI compatible interface <100ppm Typical absolute (rheostat) <10ppm Typical ratiometric (potentiometer) low tempco 100R Typical low wiper resistance Resistor
The MCP4131-103E/SN is a 7-bit (129 wiper steps) non-volatile Digital Potentiometer with volatile memory, programmed/reprogrammed through an SPI compatible interface. It features zero to full-scale wiper operation. It supports split rail applications.
- 128 Resistors with taps to VSS and VDD
- SPI compatible interface
- <100ppm Typical absolute (rheostat)
- <10ppm Typical ratiometric (potentiometer) low tempco
- 100R Typical low wiper resistance
- Resistor network terminal disconnect
- Brown-out reset protection (1.5V typical)
- Serial interface inactive current (2.5µA typical)
- High-voltage tolerant digital inputs up to 12.5V
- Supports split rail applications
- Internal weak pull-up on all digital inputs
Applications
Communications & Networking, Sensing & Instrumentation, Audio, Power Management, Motor Drive & Control, Automotive
Warnings
ESD sensitive device, take proper precaution while handling the device.
- :
- -40°C
- :
- 129
- :
- 125°C
- :
- Serial, SPI
- :
- 8Pins
- :
- ± 20%
- :
- Single
- :
- Single 129-Tap Volatile Digital Pots
- :
- AEC-Q100
- :
- Linear
- :
- 10kohm
- :
- ± 15ppm/°C
- :
- 1.8V
- :
- Each
- :
- 5.5V
- :
- SOIC
- :
- MSL 1 - Unlimited
Product details
| Operating Temperature Min | -40°C |
| No. of Steps | 129 |
| Operating Temperature Max | 125°C |
| Control Interface | Serial, SPI |
| No. of Pins | 8Pins |
| Resistance Tolerance | ± 20% |
| No. of Pots | Single |
| Product Range | Single 129-Tap Volatile Digital Pots |
| Automotive Qualification Standard | AEC-Q100 |
| Track Taper | Linear |
| End To End Resistance | 10kohm |
| Temperature Coefficient | ± 15ppm/°C |
| Supply Voltage Min | 1.8V |
| Packaging | Each |
| Supply Voltage Max | 5.5V |
| Potentiometer IC Case Style | SOIC |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | MICROCHIP |
| Part Number | MCP4131-103E/SN |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Bully approved
If he wants something to gnaw on he will sit with it but he doesn't really play with it. Which is probably the point. It's lasted. The ends are the most chewed. Overall great for a chewer!
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Surprisingly Durable
Color: Green
Our dog is an aggressive chewer. She has destroyed other toys meant for "aggressive chewers" in less that 6 hours. This toy has lasted 17 days and it's still going. It does have areas were the seam has given way and a very small amount of stuffing has come out. She has "killed" the squeaker. But the toy is still usable. We just played Tug of War this morning. It will not last forever. It is showing it's "age". But the durability is there. I am ordering more.
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Reviewed in the United States on March 18, 2026
★★★★★ 4
Okay for the money
Color: Green
Kind of durable. My dog loved it tho. Lots of tugs. But also lot of stuffing everywhere
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Reviewed in the United States on May 24, 2026
★★★★★ 3
Durability and lasting period of toy.
Color: Green
I got this toy for our bulldog. He had a hole in it, which will only progress, within minutes. I took it away until I could find out if there is any kind of warranty. The information says this toy is not for aggressive chewers, yet right in the description and the photo of the toy (that way I knew I was looking at the correct toy), it says for the "aggressive chewer". I am disappointed that even though it isn't how they described, it only lasted minutes before there was damage. Not sure if I would buy another product.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Excellent toy for active dogs! Five ⭐️
Color: Green
⭐⭐⭐⭐⭐ Excellent Toy for Active Dogs!
This is my second time purchasing this toy, and it absolutely deserves five stars. My youngest dog, Captain, is a very active 3-year-old with more energy than I can keep up with. He loves being able to sink his teeth into this squeaky toy, and it helps keep him mentally stimulated and entertained.
What I love most is that he also shares it with his older brother, Kane. They use it for tug-of-war, which helps burn off some of Captain’s endless energy and keeps both dogs engaged. It does a great job reducing boredom, especially for highly active dogs.
The first one lasted several months before needing replacement, which is impressive considering how much it was used. If you have energetic dogs that need something durable and fun, I highly recommend this toy!
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Reviewed in the United States on May 31, 2026