Microchip MCP4451-103E/ST
Manufacturer No:
MCP4451-103E/ST
Manufacturer:
Microchip
Package:
20-TSSOP (0.173, 4.40mm Width)
Description:
Quad-channel, 8-bit, volatile digital potentiometer with I2C interface.AEC-Q100 qualified.
Quantity:
In Stock :8302
Looking for price or availability? Send us an RFQ and our sales team will respond quickly.
Shipping & Availability
Fast worldwide shipping via DHL, FedEx, UPS, and EMS.
Shipped from：HK Warehouse
Expected Shipping：Mon, Jun 8 - Tue, Jun 9, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
Payment
We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.
Authenticity Guarantee
All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.
Quality Assurance
Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.
User Guide
Available from AS9120 Certified Supplier, AIChipLink delivers high-reliability electronic components supported by certified quality management, rigorous inspection processes, counterfeit mitigation controls, and full traceability systems. Our operations comply with AS9120, ISO 9001:2015, and IECQ ESD standards to support aerospace, industrial, defense, and mission-critical applications.
PURCHASE
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.
Step1：Prepare product
Step2：Desiccant Protection
Step3：Vacuum Packaging
Step4：Individual Package
Step5：Anti-collision Filling
Step6：Packaging Box
SHIPPING COST
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
MCP4451-103E/ST Information
Microchip MCP4451-103E/ST technical specifications, attributes, parameters and parts with similar specifications to Microchip MCP4451-103E/ST.
- Type
- Parameter
- Resolution (Number of Taps)
- 257
- Resistance (ohms) k
- 5, 10, 50, 100
- Type
- Parameter
Download datasheets and manufacturer documentation for Microchip MCP4451-103E/ST.
Application Notes:
Brochures:
Data Sheets:
Supporting Collateral:
The MCP4451 devices are volatile, 8-bit (257 wiper steps) digital potentiometers that are programmed/reprogrammed through an I2C™Compatible compatible interface. The MCP4451 family of devices are available with resistor values of 5KΩ, 10KΩ, 50KΩ and 100KΩ.
We welcome questions, comments and recommendations for improvements to this page - please contact us at: Digipotwebrequests@microchip.com if you have any; please mention the part number in the email subject header.
- Quad Resistor Network
- Potentiometer or Rheostat configuration options
- 7-bit – 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
- 5 kohm
- 10 kohm
- 50 kohm
- 100 kohm
- Zero-scale to Full-scale Wiper Operation
- Low Wiper Resistance – 75 ohm typical
- Absolute (Rheostat) – 50 ppm typical (0°-70°C)
- Ratiometric (Potentiometer) – 15 ppm typical
- 100 kHz
- 400 kHz
- 3.4 MHz
- High-Speed Read/Write to wiper
- Read/Write to EEPROM
- Write Protect to be enabled/disable
- WiperLock to be enabled/disabled
- Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
- Reset Input Pin
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
- Brown-out Reset Protection – 1.5V typical
- Serial Interface Inactive Current – 2.5 uA typical
- High-Voltage Tolerant Digital Inputs Up to 12.5V
- Supports Split Rail Applications
- Internal Weak Pull-up on All Digital Inputs, except SCL and SDA
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
- Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0 kohm Device
- Extended Temperature Range (-40°C to +125°C)
- Package Types: 4x4 QFN-20 and TSSOP-20
- AEC-Q100 Grade 1 quarlified
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
Warehouse Area(㎡)
