PTC Thermistors as Heating Elements Disk Shaped, 220V 270C  Diameter 20mm R25: 2K-10K Ohm

AMWEI Ordering Code: PHD20X2MM220V270C

Appearance and Dimension

PTC Heater Disk

PTC Heater Disk

  • Diameter D : 20±0.5mm .
  • Thickness T: 2.0±0.2mm
  • Flatness Curvature <0.1mm
  • Electrode: Silver  Metallization

Electrical Specifications

  • Resistance @25C  R25 : 2k-10k Ω
  • Rated voltage (RMS) : 220 V
  • Maximum operating voltage Vmax: 265 V
  • PTC Thermistor Surface Temperature: 270C±10C
  • Operating ambient temperature range (V=0): -40~+200C
  • Operating ambient temperature range (V=Vmax) :  -40~100C

Reliability Data

Test Item Standard Test conditions |ΔR25/R25|
Electrical endurance,
IEC 60738-1 Room temperature, Vmax
Number of cycles: 10000
Electrical endurance,
IEC 60738-1 storage at Voltage: 220V
Ambient temperature: +100C
Test duration: 1000 h
Damp heat IEC 60738-1 Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78

Applied for 220V/120V heating, can be used in tool equipment vehicles cabin battery motor heating, etc.