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Small Bead Thermistors

CTS small bead thermistors, sometimes referred to as glass beads, offer the advantages of small size and mass, very fast thermal response time, extreme sensitivity to current and voltage changes, and high stability. Typical applications include thermodilution cardiac catheters and other biomedical assemblies, fluid flow and fluid level measurement, thermal conductivity measurement, gas analysis, and small surface area temperature measurement.

Series Resources


  • Superior Stability
  • Hermetically Sealed Glass Encapsulation
  • Robust Construction


  • Custom Lead Lengths
  • Non-Standard Resistance Tolerances
  • Non-Standard Resistance Values
  • Precision Calibration at Multiple Temperatures
  • Custom Value-Added Assembly Options


  • Operating Temperature Range: -40°C to 300°C.
  • Non-Standard Operating Ranges
  • Standard Resistance Tolerance: ±20%
  • Time Constant: 5 To 21 Sec. Typ. In Still Air, Depending On Type
  • Dissipation Constant: 0.4 To 1.0 Mw/°C In Still Air, Depending On Type
Sensor TypeNTC Thermistor
Sensor MountCustom
Temperature Range-50°–300°

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CTS components are stocked and sold through a global network of distributors & sales representatives. Select your preferred partner in the link below.

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