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PTC (Positive Temperature Coefficient) heating elements are the preferred choice across diverse applications, including hair dryer curlers, thanks to their remarkable self-regulating heating capabilities and inherent safety features.
A PTC heating element is crafted from ceramic materials that showcase a positive temperature coefficient. Simply put, its resistance magnifies as the temperature rises. Consequently, as the element becomes warmer, its resistance grows, subsequently reducing the current flow. This self-regulating feature ensures PTC heaters maintain stable temperatures without overheating, making them perfect for applications such as hair styling tools.
PTC heating film advantages:
1.Safety
2. Achieves a continuous, constant temperature once the power stabilizes.
3.Ensures steady power output.
4. Self-regulated temperature control for precision performance.
5.Operates with a wide voltage range from 12V to 240V.
6. Flexible dimensions accommodate various applications.
PTC heating films are extensively employed in numerous devices such as hair permanent clamps, hair curlers, face saunas, heat preservation plates, electric mosquito killers, physical therapy apparatus, and hot melt glue guns, among other automated heat-preserving devices.
Specifications of PTC Heating Elements:
Operating voltage | 120-240V AC/DC* (min. 110V, max. 265V) |
Heating element | PTC resistor, temperature limiting |
Heater body | aluminium, anodised |
Mounting | screw fixing |
Fitting position | variable |
Operating/Storage temperature | -45 to +70 °C (-49 to +158 °F) |
Operating/Storage humidity | max. 90 % RH (non-condensing) |
Protection type/Protection class | IP54 / II (double insulated) |
Note | other voltages on request |
PTC heater with insulating film
Current dimensions:
No. | Length /mm |
Width /mm |
Thickness /mm |
PTC quantity |
No. | Length /mm |
Width /mm |
Thickness /mm |
PTC quantity |
001 | 15 | 9 | 3.0~3.7 | 1 | 002 | 16 | 11 | 3.0~3.7 | 1 |
003 | 24 | 6 | 3.0~3.7 | 1 | 004 | 24 | 8 | 3.0~3.7 | 1 |
005 | 24 | 10 | 3.0~3.7 | 1 | 006 | 24 | 15 | 3.0~3.7 | 1 |
007 | 23 | 13 | 3.0~3.7 | 1 | 008 | 30 | 5 | 3.0~3.7 | 1 |
009 | 22 | 11 | 3.0~3.7 | 1 | 010 | 35 | 11 | 3.0~3.7 | 1 |
011 | 30 | 13 | 3.0~3.7 | 1 | 012 | 35 | 13 | 3.0~3.7 | 1 |
013 | 35 | 6 | 3.0~3.7 | 1 | 014 | 48 | 6 | 3.0~3.7 | 2 |
015 | 35 | 10 | 3.0~3.7 | 1 | 016 | 48 | 15 | 3.0~3.7 | 2 |
017 | 60 | 13 | 3.0~3.7 | 2 | 018 | 48 | 13 | 3.0~3.7 | 2 |
019 | 36 | 15 | 3.0~3.7 | 2 | 020 | 58 | 6 | 3.0~3.7 | 2 |
021 | 48 | 10 | 3.0~3.7 | 2 | 022 | 60 | 10 | 3.0~3.7 | 2 |
023 | 56 | 11 | 3.0~3.7 | 2 | 024 | 70 | 8 | 3.0~3.7 | 3 |
025 | 58 | 13 | 3.0~3.7 | 2 | 026 | 70 | 13 | 3.0~3.7 | 3 |
027 | 50 | 13 | 3.0~3.7 | 2 | 028 | 50 | 24 | 3.0~3.7 | 3 |
029 | 70 | 15 | 3.0~3.7 | 3 | 030 | 60 | 15 | 3.0~3.7 | 3 |
031 | 45 | 24 | 3.0~3.7 | 3 | 032 | 50 | 38 | 3.0~3.7 | 4 |
033 | 70 | 10 | 3.0~3.7 | 3 | 034 | 99 | 16 | 3.0~3.7 | 4 |
035 | 50 | 30 | 3.0~3.7 | 4 | 036 | 70 | 30 | 3.0~3.7 | 6 |
037 | 30 | 48 | 3.0~3.7 | 4 | 038 | 30 | 74 | 3.0~3.7 | 6 |
Notice:
1) Select surface temperature between 50ºC~280ºC, typically with a ±7ºC tolerance. Rated voltage ranges from 3V~400V, AC or DC. Custom designs are available.
2) For swift temperature escalation and increased heating power, multiple PTC pellets are assembled into a larger unit.
PTC heater with shell
A PTC heater with a shell incorporates one or more PTC stones combined with two aluminum or stainless steel plates as electrodes, enveloped in insulating material and encased within a meticulously designed aluminum shell. This configuration is ideal for self-regulated heating in compact spaces, such as inner compartments of electrical equipment, eliminating the necessity for additional temperature control devices. This type of PTC heater distinguishes itself with its exceptional efficiency, reliability, safety, and user-friendly operation.
Quality Control Chart: