MCP9509CT-E/OT The Microchip Technology MCP9509CT-E/OT is a resistor-programmable temperature switch. It operates from 2.7V to 5.5V with a wide temperature range and selectable hysteresis.
Mfr Part #:

MCP9509CT-E/OT

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP9509CT-E/OT is a resistor-programmable temperature switch. It operates from 2.7V to 5.5V with a wide temperature range and selectable hysteresis.
Total Stock: 2,050 pcs
$ Price Range: $0.83

MCP9509CT-E/OT Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
50 pcs
50 pcs On Request 1 On Request On Request On Request On Request On Request

MCP9509CT-E/OT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Features
Mounting Type
Operating Temperature
Output
Output Current
Output Function
Output Type
Selectable Hysteresis
Storage Temperature
Supplier Device Package
Supply Current
Switching Temperature
Tape & Reel
Temperature Switch Accuracy (Maximum @ -20 °C to +125 °C)
Temperature Switch Accuracy (Maximum @ 0 °C to +125 °C)
Temperature Switch Accuracy (Typical @ +25 °C, +45 °C)
Temperature Switch Accuracy (Typical @ 0 °C to +70 °C)
Trip Temperature Threshold
Voltage

MCP9509CT-E/OT Description

Short technical summary and product information.

The Microchip Technology MCP9509CT-E/OT is a resistor-programmable temperature switch designed for various thermal monitoring applications. It features a wide operating voltage range of 2.7V to 5.5V and a low supply current of 30 µA typical.

 

This temperature switch offers high accuracy, with typical accuracy of ±0.5°C at +25°C and +45°C, and a maximum accuracy of ±4.5°C over its operating temperature range of -40°C to +125°C. It provides user-selectable hysteresis options of 2°C or 10°C typical, enhancing design flexibility.

 

The MCP9509CT-E/OT is available in a space-saving SOT-23-5 package, suitable for surface mount applications. Its output configuration is Active Low Open Drain, designed to function as a /OverTemp indicator.

 

Applications for this device include power supply thermal shutdown, temperature alarms, thermostat control, and fan control, making it a versatile component for thermal management solutions.

MCP9509CT-E/OT Quick Information

Product Type: Temperature Switch
Canonical Name: Microchip Technology MCP9509CT-E/OT Resistor-Programmable Temperature Switch
Subcategory: Thermostats - Solid State

MCP9509CT-E/OT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MCP9509CT-E/OT Estimated Pricing

Qty Low High
1+ $0.83 $0.83

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP9509CT-E/OT Features

  • Resistor-programmable temperature switch.
  • Wide 2.7V to 5.5V operating voltage.
  • High accuracy, ±0.5°C typical.
  • Selectable hysteresis options available.
  • Compact SOT-23-5 package.

MCP9509CT-E/OT Applications

  • Power supply thermal shutdown.
  • Temperature alarm applications.
  • Thermostat control circuits.
  • Fan control systems.

MCP9509CT-E/OT FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MCP9509CT-E/OT?

The MCP9509CT-E/OT operates from 2.7V to 5.5V.

What is the typical accuracy of the MCP9509CT-E/OT temperature switch?

The typical accuracy is ±0.5°C at +25°C and +45°C.

What is the operating temperature range for this device?

The operating temperature range is -40°C to +125°C.

What package type is the MCP9509CT-E/OT supplied in?

The MCP9509CT-E/OT is supplied in a SOT-23-5 package.

Does the MCP9509CT-E/OT have selectable hysteresis?

Yes, the MCP9509CT-E/OT features selectable hysteresis.

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