Shows a 5 - 50 w power consumption. does that mean they draw max w at start up and then ramp down as they reach max temp? if not please explain

Initially these PTC heating element will draw low current <1 amp for a few seconds and then they will draw nearly 4.5 amps for about 10 seconds and stabilizes to about 2 amps at maximum temperature. To make this more manageable I found ramping the voltage up to 12VDC from 9VDC keeps the current below 3 amps at all times but does increase the time to get to full temperature (<40 seconds) . You can do your own voltage profile to see what fits your application best.

How many amps does does one unit draw?

0.9A-4.5A-2.0A is the current swing.

If I power these a limited current 12v power supply (lets say 500milliamps) will that limit the temperature or will it simply not function?

These should just limit the temperature available with lower amperage. These type of devices should be able to vary the temperature based on the current provided. I have not put these in service yet, but that is what I am expecting while using these as a heater when combined with heat sinks.

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Q: How many amps does does one unit draw?

0.9A-4.5A-2.0A is the current swing.

Q: If I power these a limited current 12v power supply (lets say 500milliamps) will that limit the temperature or will it simply not function?

These should just limit the temperature available with lower amperage. These type of devices should be able to vary the temperature based on the current provided. I have not put these in service yet, but that is what I am expecting while using these as a heater when combined with heat sinks.

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🔥 Stay warm, stay ahead — power your space with precision!

DUAL PACK EFFICIENCY - Two PTC heating elements for doubled heating power and backup reliability.
DURABLE CERAMIC BUILD - High-quality ceramic thermistor ensures fast heat conduction and long service life.
SAFE INSULATED DESIGN - Surface insulation minimizes risk, making it ideal for indoor climate control applications.
PRECISION TEMPERATURE CONTROL - Maintains a stable 220°C surface temperature for consistent performance.
UNIVERSAL VOLTAGE COMPATIBILITY - Operates seamlessly on both AC and DC 12V power sources for flexible use.

The Bestol 2pcs PTC Heating Element delivers reliable, consistent heating at 220°C with rapid warm-up times. Designed for indoor use, these compact 12V AC/DC ceramic heaters combine safety insulation and durable construction, making them perfect for efficient climate control in home offices, kitchens, and living rooms. Their dual-pack format ensures you never run out of heat when you need it most.

Reviews

P**Y

Thumbs up

Exactly as advertised. Worked as it should. Would buy again.

4.09.2025

K**N

Not Temperature Limiting - Make Sure You Account for Max Heated Temperature!

If you want to limit the maximum temperature, these will not (no adjustment). They will heat to the rated temperature. I was using to heat air coming into an analyzer. However, the devices will produce a slight degradation smoke that is enough in my case to throw off the readings in my application.Probably good for heating anything that will hold up to the maximum temperature. These are essentially raw heating elements, and should be used accordingly.

4.05.2021

R**N

right size

works great

1.04.2023

A**R

Voltage identification

These work good. Did not see a UL listing on these. Or a voltage rating marked on the unit or even the packaging.

2.10.2024

J**E

Good purchase

I picked these up for a little project. The get very hot and heat up quick.

29.01.2020

A**D

Works as described

14.12.2019

C**M

Thermostatic is accurate.

I bought these because I wanted to create a small thermostatic heating chamber. I have done some testing and they seem to cap out closer to 390°. I have yet to test a situation where I create a conduit to direct the heat and a form of insulation to keep the heat from escaping my desired area.Slightly unfortunate that it requires a separate power source that's not included. I was able to find the appropriate things to make it so I could plug it into a USB

30.12.2022

M**.

27.12.2019

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Brand	Bestol
Form Factor	Stationary
Indoor/Outdoor Usage	Indoor
Product Dimensions	0.14"D x 0.14"H
Mounting Type	Floor Mount
Room Type	Bedroom, Home Office, Kitchen, Living Room
Burner type	Radiant
Item Weight	0.02 Kilograms
Fuel Type	Electric
Voltage	12 Volts (DC)
Max Temperature Setting	428 Degrees Fahrenheit
Global Trade Identification Number	08846985146331
Manufacturer	B12019071802
Part Number	AAA710
Item Weight	0.704 ounces
Material	Other
Batteries Included?	No
Batteries Required?	No

2pcs PTC Heating Element 5W-50W AC DC 12V 220 Degree consistant Temperature Ceramic Thermostatic

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