Description

 A thermistor operates through an electrical resistance change in semi-conductors rather than pure metal.Thermistor beads are coated withepoxy or glass to suit a variety of applications.

Product Capabilities

 • Epoxy beads rated up to 150°C(300°F).

• Glass beads rated up to 300°C (570°F).

Features

 • Low cost. The sensing bead itself is a very low cost component, typically one-tenth that of a platinum RTD element.

• High resistance. Base resistance of thermistors may be several thousand ohms. This provides a larger signal than RTDs with the same measuring current, negating leadwire resistance problems.

• Point sensing. Thermistor beads may be pinhead in size.

• Interchangeability within a specific range.

• Rugged. The packaged thermistor bead is vibration resistant. 

Applications

• Fever thermometers andrespirators.

• Fast food processing

• Coffee makers

• Thermostats

• Emission controls

• Photo processing

• Hot glue dispensing equipment

• Laboratory equipment

• Processes requiring high resolution over a narrow band

• Processes requiring miniaturization