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ELECTRICAL PARTS LIST
SECTION 8.
8-1. STANDARD PART NUMBER CODING
8-1-1. RESISTOR CODING
1. Fixed Resistor Coding
R
Type of Resistor
C
Composition Resistor
D
Carbon Resistor
F
Fusible Resistor
K
Ceramic Resistor
N
Metal Film Resistor
S
Metal-Oxide Film
Resistor
W Wire Wound Resistor
X
Cement Resistor
Y
Chip Resistor
2. Semi-Fixed Resistor Coding
V
R
Meterial
Shape
VERTICAL
CARBON
1
FILM
HORIZONTAL
VERTICAL
METAL
6
GRAZE
HORIZONTAL
VERTICAL
CARBON
5
SOLID
HORIZONTAL
Type of Resistor
Code
Wattage
Code
–A
1/6W
A
B
–8
1/8W
C
–4
1/4W
D
–2
1/2W
E
01
1W
F
02
2W
G
H
G
H
J
K
X
Z
Knob
Code
WITH
1
11
WITHOUT
2
12
WITH
3
13
WITHOUT
4
14
WITH
1
61
WITHOUT
2
62
WITH
3
63
WITHOUT
4
64
WITH
1
51
WITHOUT
2
52
WITH
3
53
WITHOUT
4
54
Distance
Example
Distance
478 ..............0.47Ω
2.5 mm
479 ................4.7Ω
5.0 mm
7.5 mm
470 .................47Ω
10.0 mm
471 ...............470Ω
12.5 mm
472..............4.7KΩ
15.0 mm
473 ..............47KΩ
17.5 mm
20.0 mm
17.5 mm
20.0 mm
22.5 mm
25.0 mm
Auto Insertion
Auto Insertion
Pin Length
73
Tolerance
Value
Symbol
Tolerance
F
G
J
K
M
N
Value
(Same as Fixed Type)
±1%
±2%
±5%
±10%
±20%
±30%
Knob
Type
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