RESISTOR 12 OHM 1/4W 5% | 12R RESISTORS

RESISTOR 12 OHM 1/4W 5% | 12R

A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. Resistors can also be used to provide a specific voltage for an active device such as a transistor.
 
All other factors being equal, in a direct-current (DC) circuit, the current through a resistor is inversely proportional to its resistance, and directly proportional to the voltage across it. This is the well-known Ohm's Law. In alternating-current (AC) circuits, this rule also applies as long as the resistor does not contain inductance or capacitance.
 
Unit is Ohms, Symbol is R or Ω . Resistance is a measure of how easily (or with what difficulty) electrons will flow through the device.  Copper wire has a very low resistance, so a small voltage will allow a large current to flow.  Likewise, the plastic insulation has a very high resistance, and prevents current from flowing from one wire to those adjacent.  Resistors have a defined resistance, so the current can be calculated for any voltage.  Resistance in passive devices is always positive (i.e. > 0)
 

 

RESISTORS SPECIFICATIONS
RESISTOR TYPECARBON
TOLERANCE5%
VALUE12R
POWER - W1/4W
RESISTANCE RANGE Y10R - 100R

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RESISTOR 12 OHM 1/4W 5% | 12R

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