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C2445_large_flexible_heating_pad

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Flexible Heating Pad

3.5
These DC powered heating pads are perfect for near-body heating applications. Apply 5VDC to the wire leads to warm up. Available in 5x 10cm or 5 x 15cm.

Availability: In Stock.

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Product versions:

This product is also available in the following versions:

Stock code
Description
Price
2445
Flexible Heating Pad - 5x10cm
£3.50
2449
Flexible Heating Pad - 5x15cm
£4.60

Use the drop down list above to select your option. Price shown is GBP (ex VAT). Local currency price and price breaks (if applicable) will be shown once you have chosen an option.

Product description:

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up.

These heating pads are constructed using a mesh of Polyester filament and Micro Metal Conductive Fiber folded into a protective Polyimide Film. The fact that these are low power, flexible and draw little power makes them ideal for things like hand-warmers and other heated garments. Maybe hook up a microcontroller and some sensors and make your own climate-controlled hoodie?

The pads draw approximately 700mA.

Features:

  • Flexible heat pads.
  • Polymide protective film.

Contents:

15cm Pad:

  • 1 x 5 cm x 15cm Flexible Heating Pad.

10cm Pad:

  • 1 x 5 cm x 10cm Flexible Heating Pad.

Dimensions:

15cm Pad:

  • Length: 5cm.
  • Width: 15cm.

10cm Pad:

  • Length: 5cm.
  • Width: 10cm.

Resources:

SparkFun Stock Code:

10cm Pad:

  • COM-11288.

15cm Pad:

  • COM-11289.

Questions:

Posted by Vicente , Thursday, 28 April 2016 on product Flexible Heating Pad

Question:

Hi (electronics newbie here), can I power these with 2xAA batteries in one of your holders? I'd rather not use a rechargeable LiPo battery

Answers:

  • Posted by Rob Haywood on Thursday, 28 April 2016

    Vicente,

    The pads are designed to run off 5V so you would be better with 3 AA batteries rather than 2. However please be aware that a good quality battery will have a capacity of something like 1500mA/h which means if you pull 1500mA it will last an hour. If you pull 700mA as is the case with the heating pad, then you’re looking at a battery life of about 2 hours. So yes you can do it, but the batteries won’t last very long.

    If you are planning on using rechargeable AA batteries these have a nominal voltage of 1.2V so I’d recommend using 4 of them rather than 3.

Posted by Daniel, Thursday, 10 December 2015 on product Flexible Heating Pad

Question:

Hey, I wonder if you can cut these heating pads into smaller parts, parallel to the shorter side, and then attach two cables on each of the side of the smaller parts? Would this work? I need 5 smaller pads instead of one big, however they don't sell it anywhere. Thank you

Answers:

  • Posted by Michael Lockhart on Thursday, 10 December 2015

    Although it is technically possible we strongly advise against cutting the pad up. The pads have been designed to have a certain amount of resistance which limits the amount of current flowing through them and limiting the amount of heat they will generate. By cutting the pad you will reduce the resistance and therefor increase the amount of current flowing through, this would result in the pad heating to a higher temperature, which could melt the pad.

Posted by Laura Cooper, Tuesday, 20 January 2015 on product Flexible Heating Pad

Question:

Hi I purchased these flexible heat pads today and was wondering what the maximum voltage I can run through them? If I up the voltage will they blow or will they just become warmer? Thanks Laura Cooper

Answers:

  • Posted by Michael Lockhart on Tuesday, 20 January 2015

    The maximum voltage is 5V. If you placed more than 5V through this then you may result in damaging the product or possibly catching fire

Posted by SPSulkin, Monday, 19 January 2015 on product Flexible Heating Pad

Question:

A pair of 2032 3V button cells would be nice and lightweight for powering this in an E-textiles application, but would their low current work? They are only 200mA and the heat pad draws 700mA

Answers:

  • Posted by Michael Lockhart on Monday, 19 January 2015

    Unfortunately the coin cells wouldn’t be a very good power source as they would run flat in around 10 minutes. A better option would be using a pair of LiPo batteries which would give you around an hour’s run time. Product Code: 4652

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