MCP4132-103E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4132-103E/SN is a single-channel digital potentiometer from Microchip Technology with 128 wiper positions and 10 kΩ end-to-end resistance. It is controlled via an SPI increment/decrement interface and housed in a standard 8-pin SOIC package. Lead-free and widely available for volume production in gain control, offset adjustment, and programmable analog circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4132-103E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5660(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 MCP4132-103E/SN?
- Single-channel 128-step 10 kΩ digital potentiometer controlled via SPI increment/decrement commands, ideal for simple one-axis analog tuning without complex software overhead
- Non-volatile memory stores wiper position through power cycles, allowing factory-programmed resistance values to persist without microcontroller re-initialization
- 8-pin SOIC package with 3.9 mm body enables straightforward PCB integration on standard 1.27 mm pitch footprints suitable for automated assembly
What is MCP4132-103E/SN used for?
The MCP4132-103E/SN is used in consumer and industrial electronics requiring software-adjustable resistance for volume control, brightness adjustment, or programmable sensor bias without manual trimmer pots. Its SPI increment/decrement interface makes it a natural replacement for mechanical potentiometers in applications where remote or automated calibration is needed. Portable measurement instruments and audio equipment also use it to store calibration offsets in its non-volatile memory so the correct resistance is restored each time the system powers up.
What are the specifications of MCP4132-103E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| 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 |
| Supply Current-Max | 1mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 10000Ω |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Mainland China, Thailand |
Where can I find the MCP4132-103E/SN datasheet?
MCP4132-103E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4132-103E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What end-to-end resistance does MCP4132-103E/SN provide, and how fine is each wiper step for precision trimming?
The MCP4132-103E/SN offers a 10 kΩ end-to-end resistance divided into 128 equal steps, giving approximately 78 Ω per step. This granularity enables about 0.78 % resistance resolution per LSB, sufficient for precise gain trimming in instrumentation amplifier feedback networks or fine-tuning sensor signal conditioning circuits operating in the millivolt range.
How does the SPI increment/decrement interface of MCP4132-103E/SN differ from address-based SPI pots, and when is it the better choice?
The MCP4132-103E/SN uses up-down increment commands over SPI rather than direct wiper address writes, which simplifies firmware to a single UP or DOWN pulse per step. This interface style is preferred when wiper position changes one step at a time in real-time user-controlled applications such as manual volume knobs decoded by a rotary encoder, where each encoder pulse maps directly to one SPI increment without any position-tracking arithmetic in the MCU.
Can MCP4132-103E/SN retain its wiper setting after power loss, making it suitable for set-and-forget calibration?
Yes, the MCP4132-103E/SN includes built-in non-volatile memory so the wiper position is automatically saved and restored across power cycles. In a battery-powered sensor node calibrated at the factory, the trimmed 10 kΩ resistance value is written once to non-volatile memory and remains active indefinitely without any SPI traffic at startup, saving approximately 1 ms of initialization time and eliminating the need for an external EEPROM to store calibration data.
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+ | $0.8400 | $0.84 |
| 25+ | $0.7000 | $17.50 |
| 100+ | $0.6400 | $64.00 |
| 1000+ | $0.6100 | $610.00 |
| 7500+ | $0.5680 | $4260.00 |
| 10000+ | $0.5660 | $5660.00 |
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