text.skipToContent text.skipToNavigation
Product Variant Information section
Product Specification Section
Pricing Section

Stock: 368

On Order: 0
Factory Stock:Factory Stock: 4,400
Factory Lead Time: 10 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $1.48
200 $1.25
300 $1.23
500 $1.21
1,000+ $1.18


Attributes Table
Output Type Digital
Operating Temp Range -40°C to +85°C
Operating Temp Range (°F) -40°F to +185°F
Supply Voltage 4.5V to 18V
Features and Applications

TC621CEOA is a part of TC621 Series Temperature Sensor. It is a SOIC (narrow) 5 V Dual Trip Point Temperature Sensor with detection range from -40°C to +85°C.

The TC621 is programmable logic output temperature detectors designed for use in thermal management applications. It features an connection to an external NTC thermistor for remote sensing applications.


  • User Programmable Hysteresis and Temperature Set Point
  • Easily Programs with 2 External Resistors
  • Wide Temperature Detection Range:
    • -40°C to +85°C
  • Onboard Temperature Sensing Applications (TC620X)
  • External NTC Thermistor for Remote Sensing Applications (TC621X)
  • Available in 8-Pin PDIP and SOIC Packages


  • Power Supply Over Temperature Detection
  • Consumer Equipment
  • Temperature Regulators
  • CPU Thermal Protection