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,
cycling		 IEC 60738-1 Room temperature, Vmax
Number of cycles: 10000		 <25%
Electrical endurance,
constant		 IEC 60738-1 storage at Voltage: 220V
Ambient temperature: +100C
Test duration: 1000 h		 <25%
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		 <25%

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

PTC Heaters Products

PTC Heater Disks
Rectangular, Round, Ring
Honeycomb PTC Heater
PTC Heaters with Wire,  Single Solder, Silicon Coated, Insulated
Metal Housing PTC Conductive Heater
PTC Cartridge Heaters, Threaded Al, Metal Tube
Flow through PTC Liquid Water Heater
Build-in PTC Liquid Water Heater
PTC Air Heater
PTC Convection Heaters  Anti-freeze Anti-damp
PTC Diesel Fuel Heater

Technical Information

PTC Thermistors Glossary and Definition, 3 PTC Thermistors Characteristics, Resistance vs. Temperature RT Characteristic, Voltage vs. Current VI characteristic,  Current vs Time Characteristic.
PTC Thermistors Application Cautions for Soldering,  Mounting, Cleaning.
PTC Thermistors Manufacturing and Quality Control
The Advantage of Using PTC Thermistors as Heating Elements and Application Precaution
Dimensioning PTC Thermistors
Consideration Factors in Designing PTC thermistors as Heater
Selection Criteria for PTC Heating Thermistors