.................................
|
Widerstände: so schön buntDer Wert von Widerständen für kleinere Leistungen wird durch Farbringe dargestellt. Jede Farbe steht dabei für eine andere Ziffer, aber für welche? Zur Antwort... Die in elektronischen Schaltungen für die Modellbahn häufig eingesetzten Kohleschichtwiderstände tragen z.B. 4 Farbringe. Der 4. Ring gibt den Toleranzbereich an (gold = 5 %, silber = 10 %). Da das Ausrechnen der Widerstandwerte recht mühselig ist, hier eine Tabelle mit den Werten und Farbcodes von Widerständen mit 4 Farbringen. |
Ringfarbe
|
1. Ring
|
2. Ring
|
3. Ring
(Multiplikator)
|
4. Ring
(Toleranz)
|
|
........... |
schwarz
|
0
|
0
|
-
|
-
|
........... |
braun
|
1
|
1
|
× 10
|
1 %
|
........... |
rot
|
2
|
2
|
× 100
|
2 %
|
........... |
orange
|
3
|
3
|
× 1000
|
-
|
........... |
gelb
|
4
|
4
|
× 10000
|
-
|
........... |
grün
|
5
|
5
|
× 100000
|
0,5 %
|
........... |
blau
|
6
|
6
|
× 1000000
|
0,25 %
|
........... |
violett
|
7
|
7
|
× 10000000
|
0,1 %
|
........... |
grau
|
8
|
8
|
-
|
-
|
|
weiß
|
9
|
9
|
-
|
-
|
...........
|
gold
|
-
|
-
|
× 0,1
|
5 %
|
...........
|
silber
|
-
|
-
|
× 0,01
|
10 %
|
Ehrlich gesagt: Bei der Rechnerei mit den Nullen verliere ich das Vertrauen in meine Mathe-Kenntnisse. Falls Sie diese Probleme teilen, empfehle ich Ihnen die nachfolgende Tabelle mit den Werten und Farbcodes von Widerständen mit 4 Farbringen als Hilfe bei der Bestimmung eines Widerstandwertes.
Cornelia Tams
Wert:
|
1. Ring
|
2. Ring
|
3. Ring
|
4. Ring
|
1. Ring
|
2. Ring
|
3. Ring
|
10 Ω
|
braun
|
schwarz
|
schwarz
|
(gold)
|
........... | ........... | ........... |
100 Ω
|
braun
|
schwarz
|
braun
|
(gold)
|
........... | ........... | ........... |
1 kΩ
|
braun
|
schwarz
|
rot
|
(gold)
|
........... | ........... | ........... |
10 kΩ
|
braun
|
schwarz
|
orange
|
(gold)
|
........... | ........... | ........... |
100 kΩ
|
braun
|
schwarz
|
gelb
|
(gold)
|
........... | ........... | ........... |
12 Ω
|
braun
|
rot
|
schwarz
|
(gold)
|
........... | ........... | ........... |
120 Ω
|
braun
|
rot
|
braun
|
(gold)
|
........... | ........... | ........... |
1,2 kΩ
|
braun
|
rot
|
rot
|
(gold)
|
........... | ........... | ........... |
12 kΩ
|
braun
|
rot
|
orange
|
(gold)
|
........... | ........... | ........... |
120 kΩ
|
braun
|
rot
|
gelb
|
(gold)
|
........... | ........... | ........... |
15 Ω
|
braun
|
grün
|
schwarz
|
(gold)
|
........... | ........... | ........... |
150 Ω
|
braun
|
grün
|
braun
|
(gold)
|
........... | ........... | ........... |
1,5 kΩ
|
braun
|
grün
|
rot
|
(gold)
|
........... | ........... | ........... |
15 kΩ
|
braun
|
grün
|
orange
|
(gold)
|
........... | ........... | ........... |
150 kΩ
|
braun
|
grün
|
gelb
|
(gold)
|
........... | ........... | ........... |
18 Ω
|
braun
|
grau
|
schwarz
|
(gold)
|
........... | ........... | ........... |
180 Ω
|
braun
|
grau
|
braun
|
(gold)
|
........... | ........... | ........... |
1,8 kΩ
|
braun
|
grau
|
rot
|
(gold)
|
........... | ........... | ........... |
18 kΩ
|
braun
|
grau
|
orange
|
(gold)
|
........... | ........... | ........... |
180 kΩ
|
braun
|
grau
|
gelb
|
(gold)
|
........... | ........... | ........... |
22 Ω
|
rot
|
rot
|
schwarz
|
(gold)
|
........... | ........... | ........... |
220 Ω
|
rot
|
rot
|
braun
|
(gold)
|
........... | ........... | ........... |
2,2 kΩ
|
rot
|
rot
|
rot
|
(gold)
|
........... | ........... | ........... |
22 kΩ
|
rot
|
rot
|
orange
|
(gold)
|
........... | ........... | ........... |
220 kΩ
|
rot
|
rot
|
gelb
|
(gold)
|
........... | ........... | ........... |
27 Ω
|
rot
|
violett
|
schwarz
|
(gold)
|
........... | ........... | ........... |
270 Ω
|
rot
|
violett
|
braun
|
(gold)
|
........... | ........... | ........... |
2,7 kΩ
|
rot
|
violett
|
rot
|
(gold)
|
........... | ........... | ........... |
27 kΩ
|
rot
|
violett
|
orange
|
(gold)
|
........... | ........... | ........... |
270 kΩ
|
rot
|
violett
|
gelb
|
(gold)
|
........... | ........... | ........... |
33 Ω
|
orange
|
orange
|
schwarz
|
(gold)
|
........... | ........... | ........... |
330 Ω
|
orange
|
orange
|
braun
|
(gold)
|
........... | ........... | ........... |
3,3 kΩ
|
orange
|
orange
|
rot
|
(gold)
|
........... | ........... | ........... |
33 kΩ
|
orange
|
orange
|
orange
|
(gold)
|
........... | ........... | ........... |
330 kΩ
|
orange
|
orange
|
gelb
|
(gold)
|
........... | ........... | ........... |
39 Ω
|
orange
|
weiß
|
schwarz
|
(gold)
|
........... | ........... | |
390 Ω
|
orange
|
weiß
|
braun
|
(gold)
|
........... | ........... | |
3,9 kΩ
|
orange
|
weiß
|
rot
|
(gold)
|
........... | ........... | |
39 kΩ
|
orange
|
weiß
|
orange
|
(gold) | ........... | ........... | |
390 kΩ
|
orange
|
weiß
|
gelb
|
(gold) | ........... | ........... | |
47 Ω
|
gelb
|
violett
|
schwarz
|
(gold)
|
........... | ........... | ........... |
470 Ω
|
gelb
|
violett
|
braun
|
(gold)
|
........... | ........... | ........... |
4,7 kΩ
|
gelb
|
violett
|
rot
|
(gold)
|
........... | ........... | ........... |
47 kΩ
|
gelb
|
violett
|
orange
|
(gold)
|
........... | ........... | ........... |
470 kΩ
|
gelb
|
violett
|
gelb
|
(gold)
|
........... | ........... | ........... |
56 Ω
|
grün
|
blau
|
schwarz
|
(gold)
|
........... | ........... | ........... |
560 Ω
|
grün
|
blau
|
braun
|
(gold)
|
........... | ........... | ........... |
5,6 kΩ
|
grün
|
blau
|
rot
|
(gold)
|
........... | ........... | ........... |
56 kΩ
|
grün
|
blau
|
orange
|
(gold)
|
........... | ........... | ........... |
560 kΩ
|
grün
|
blau
|
gelb
|
(gold)
|
........... | ........... | ........... |
68 Ω
|
blau
|
grau
|
schwarz
|
(gold)
|
........... | ........... | ........... |
680 Ω
|
blau
|
grau
|
braun
|
(gold)
|
........... | ........... | ........... |
6,8 kΩ
|
blau
|
grau
|
rot
|
(gold)
|
........... | ........... | ........... |
68 kΩ
|
blau
|
grau
|
orange
|
(gold)
|
........... | ........... | ........... |
680 kΩ
|
blau
|
grau
|
gelb
|
(gold)
|
........... | ........... | ........... |
82 Ω
|
grau
|
rot
|
schwarz
|
(gold)
|
........... | ........... | ........... |
820 Ω
|
grau
|
rot
|
braun
|
(gold)
|
........... | ........... | ........... |
8,2 kΩ
|
grau
|
rot
|
rot
|
(gold) | ........... | ........... | ........... |
82 kΩ
|
grau
|
rot
|
orange
|
(gold) | ........... | ........... | ........... |
820 kΩ
|
grau
|
rot
|
gelb
|
(gold) | ........... | ........... | ........... |