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German: Widerstand | German: Widerstand, Widerstände | ||
Symbol: R (shortened for Resistance)<br> | Symbol: R (shortened for Resistance)<br> | ||
Revision as of 16:45, 4 November 2011
Resistors
German: Widerstand, Widerstände
Symbol: R (shortened for Resistance)
Unit for resistance is Ohms, represented by a capital omega: Ω (Example: 1 ohm = 1 Ω). For convenience the capital omega is replaced: 22 Ω is often written as 22 R. Decimal marks like 2.2 Ω are replaced by the unit: 2R2.
Accordingly values with a prefix like 47 kΩ (47 000 Ω) are shortened to 47k. 1 MΩ is written 1M. Decimal marks are replaced like before:
4.7 kΩ is written 4k7
2.2 MΩ is written 2M2
Resistor Color Codes
http://www.elektronik-kompendium.de/sites/bau/1109051.htm (German)
http://www.bader-frankfurt.de/widerstandscode.htm (German)
http://www.csgnetwork.com/resistcolcalc.html (English)