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Metal Film 2W 680 Ohm Resistor

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Quoting product code: D680R


About this product


  • Resistor
  • 680 Ohms
  • Metal film

Product overview

  • Resistor
  • 680 Ohms
  • Metal film
  • 2W Power rating 
  • 500V Working voltage 
  • ±1% Tolerance


A very high quality metal film resistor that is physically the same size as the 1W resistor, yet has a superior specification.


Working voltage: 500V
Tolerance: ±1%
Power rating: 2W at 70°C
Temperature coefficient: ±50ppm/°C
Noise level: Typically 0.01µV/V
Dimensions of body: 16mm long, 5.5mm dia.

With resistors what is the W relating to - is it the maximum wattage that can be passed through the resistor? I need to reduce the amperage passing through an induction coil  6v currently 10+ amps.

Asked by: Graeme
That is correct, the W refers to the maximum wattage. In your intended application, a standard resistor would not be suitable as it would just reduce voltage, you would require a current limiting resistor which we do not currently stock.
Answered by: Gareth
Date published: 2016-04-25

Hey, er, when I've bought these recently, I've gotten cement bodied type (that look like Metal Oxide) rather than the Metal Film types pictured - thats OK for SOME applications but certainly not low-noise ... Will you be getting the shiny blue types back?

Asked by: Atomicboogaloo
This service is open for frequently asked questions, In order for us to best assist you with any issue you may have with a product please contact our technical team on the details below: 0333 400 9757 or email
Answered by: Dominic
Date published: 2015-07-17
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