Thermistors

Thermistors generally refer to a temperature-dependent resistor that has a negative temperature coefficient (NTC). The resistance decreases exponentially with increasing temperature of the component. SEMITEC thermistors consist of sintered metallic oxide ceramics. Thermistors are characterised by the resistance value at 25°C (R25) and the material constant B, which defines the increase in the resistance curve in the log R- 1/T diagram. SEMITEC thermistors have a tolerance in R25 and B of 1% or less. This makes highly precise temperature measurement possible. The NTCs can also be assembled in accordance with customers’ wishes.

Features

• SMD: 0805 to 0402
• Pin types, also available in super flat
• R25: 1 kΩ - 1 MΩ
• B25-85: 3100 K - 4900 K
• Tolerance in R25 and B value: 0,5% - 3%
• Low time constants
• Operating temperature up to 150°C
• Power NTCs also available
• Can be assembled on customers‘ request

Applications

• Battery packs
• Heat meters
• Temperature measuring devices
• Precision temperature compensation
• Temperature monitoring