MCP41HV51-103E/ST Microchip Variable Resistor (Small Outline Packages) In Stock
Microchip MCP41HV51-103E/ST is a single-channel digital potentiometer with 10 kΩ end-to-end resistance and 256 wiper positions. It uses a 3-wire SPI interface and comes in a 14-pin TSSOP package for compact designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP41HV51-103E/ST Datasheet PDF
- Category
- Variable Resistor
- Price
- From $1.4300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel 10 kΩ digital potentiometer with 256-position resolution for fine-grained resistance adjustment over SPI
- High-voltage tolerant design supporting wider supply ranges than standard 5 V digital potentiometers
- 14-pin TSSOP package with 3-wire SPI interface enabling easy integration with microcontroller-based systems
Applications
The MCP41HV51-103E/ST is used in analog signal conditioning circuits where software-programmable gain or offset trimming is required, such as in audio volume control, sensor calibration, and AGC feedback loops. Its 256-position resolution and 10 kΩ resistance range make it suitable for precision reference adjustment in industrial instrumentation and programmable power supplies. The SPI interface allows direct connection to microcontrollers running at 3.3 V or 5 V.
Specifications
| Manufacturer Package Code | TSSOP-14 |
| Factory Lead Time | 14Weeks |
| YTEOL | 13 |
| Bandwidth-Nom | 0.48kHz |
| Control Interface | 3-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 256 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 18V |
| Resistor Terminal Voltage-Min | -5 V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.3mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Temperature Coefficient-Nom | 100ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 100000Ω |
| ## MCP41HV51-103E/ST Alternates Showing results | Image |
| 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 | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP41HV51-103E/ST:
suggested
Frequently Asked Questions
How many resistance positions does the MCP41HV51-103E/ST provide and what is its end-to-end resistance?
The MCP41HV51-103E/ST provides 256 wiper positions across a 10 kΩ end-to-end resistance, giving a step resolution of approximately 39 Ω per position. This allows precise resistance control via a 3-wire SPI interface, making it suitable for fine-grained analog signal trimming in calibration and audio gain control circuits.
Which microcontroller interface does the MCP41HV51-103E/ST use and what supply voltages are supported?
The MCP41HV51-103E/ST uses a 3-wire SPI (serial peripheral interface) for digital control, compatible with standard microcontroller SPI peripherals operating at 3.3 V or 5 V. Its high-voltage-tolerant design supports wider analog supply rails compared to standard 5 V digital potentiometers, enabling use in mixed-voltage signal paths.
For which circuit design scenarios is the MCP41HV51-103E/ST in TSSOP-14 package preferred over a mechanical potentiometer?
The TSSOP-14 package of MCP41HV51-103E/ST occupies far less board area than through-hole mechanical potentiometers while allowing digital calibration of a 10 kΩ resistance across 256 steps. This is preferred in mass-production calibration workflows, automatic test equipment, and designs requiring repeatable factory-programmed resistance settings stored in microcontroller firmware.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.8600 | $1.86 |
| 25+ | $1.6600 | $41.50 |
| 100+ | $1.5100 | $151.00 |
| 1000+ | $1.4600 | $1460.00 |
| 2592+ | $1.4500 | $3758.40 |
| 5000+ | $1.4300 | $7150.00 |
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