U.S. Sensor's ultra precision interchangeable thermistors are highly accurate, stable devices designed specifically for temperature sensing and control applications. They are particularly suited for uses where their precision interchangeability eliminates the necessity for costly individual circuit calibration.

Features
•	High accuracy	•	Epoxy encapsulated
•	Fast thermal response	•	High stability
•	Long life	•	Small size
•	R/T Curve-matched			View Photo
Options
•	Special lead materials and lengths
•	Special encapsulants or probe housings
•	Non-standard resistance values and tolerances

Specifications
•	Thermal time constant: 1 second max. in a well stirred oil bath, 10 seconds max. in still air
•	Dissipation constant: 1 mW/°C
•	Maximum power rating: 30 mW at 25°C derated to 1 mW at 125°C
•	Interchangeability tolerance of ±0.05°C from 0-50°C
•	Operating temperature: -55°C to +80°C
•	Storage and operation temperatures for best long term stability: -55° to +50°C
ULTRA PRECISION INTERCHANGEABLE THERMISTORS (80°C) Part Number (±0.05°C 0-50°C ) Resistance Ohms @25°C R-T Curve Beta (K) 0-50°C View R-T Chart PR222J2 2252 J 3890 PR302J2 3000 J 3890 PR502J2 5000 J 3890 PR103J2 10000 J 3890 PR203J2 20000 J 3890 PR303J2 30000 J 3890 PR503J2 50000 J 3890