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PTC-Thermistor SNM

Type series: PTC thermistors

  • with connector cables
  • Mylar®-Nomex®
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PTC-Thermistor SNM

Where possible, the PTCs are to be inserted parallel to the coil. As a result, when shaping the coil ends, the mechanical stress of the PTCs is minimised. In so doing, the Mylar®-­Nomex® shrink cap is highly suited to this purpose due to its mechanical stability (no cold flow in contrast to Teflon®). In connection with the miniature pill (Ø 1.5 mm) response times of 5 to 10 seconds (max.) are achieved depending on the version.

Thermik thermistors correspond to DIN 44081 and/or 44082, IEC 60034-11-2 and are characterised by high resistance to temperatures. Resistance increases greatly in the range of the rated response temperature. Via a trigger device, this change can be used to shut down the load current circuit. Electronic evaluations in are also possible in different applications.

Technical specifications

Insulation material
Mylar®-Nomex®
Nominal switching temperature (NST)
60 °C - 190 °C
Operating voltage range
2.5 V DC - 24 V DC
max. permissible operating voltage
30V DC
max. recommended sensor voltage
2.5 V DC - 7.5 V DC
High voltage resistance
2.5 kV
Diameter
4.0 mm
Length of the insulation cap
12.0 mm

Approbation

CSA UL
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