Product Name : GENERAL SPECIFICATION OF RESISTORS
Description
COLOR
1ST BAND
2ND BAND
3RD BAND
MULITIPLIER
TOLERANCE
BLACK
0
0
0
100
BROWN
1
1
1
101
F(±1%)
RED
2
2
2
102
G(±2%)
ORANGE
3
3
3
103
YELLOW
4
4
4
104
GREEN
5
5
5
105
D (±0.5%)
BLUE
6
6
6
106
C (±0.25%)
VIOLET
7
7
7
107
B(±0.1%)
GRAY
8
8
8
WHITE
9
9
9
10-3
GOLD
10-1
J (±5%)
SILVER
10-2
K (±10%)
PLAIN
M (±20%)
TEMPERATURE COEFFICIENT:
UNIT/PPM/℃
SYMBOL
T
E
C
K
J
L
D
T.C.R
±10
±25
±50
±100
±150
±200
+200
-500
RESISTANCE TOLERANCE:
UNIT / %
SYMBOL
A
B
C
D
F
G
J
K
M
RESISTANCE TOLERANCE
±0.05
±0.1
±0.25
±0.5
±1
±2
±5
±10
±20
HOW TO APPLY RESISTORS CORRECTLY:
- THE CHARACTERISTICS OF RESISTOR HAVE RELATIONS TO TEMPERATURE
MOISTURE AND VOLTAGE.
- THE RATING OF RESISTOR IS SPECIFIED ON THE BASIS OF TEMPERATURE.
- THE POWER RATING OF RESISTOR IS ALL SPECIFIED WITH A DIRECT-
CURRENT (D.C.) CONTINUOUS WORKING VOLTAGE OR SINE-WAVE ROOT-
MEAN-SQUARE (RM S) CONTINUOUS WORKING VOLTAGE AT COMMERCIAL-
LINE FREQUENCY.
- THE TESTS REGARDING CHARACTERISTICS OF RESISTOR, IS PRINCIPALLY
SPECIFIED ON THE BASIS OF MOISTURE.
- MAXIMUM RATED VOLTAGE AND MAXIMUM OVERLOAD VOLTAGE ARE
LIMITED FOR EACH STYLE OF RESISTOR (1)GENERALLY, RATED
VOLTAGE=√P.R WHERE, E=VOLT, P=WATT, R=OHM. (2)GENERALLY,
OVERLOAD VOLTAGE ET=√PRx2.5, APPLICATION TIME=5 SECS.
NOTE/MAX. RATED AND MAX. OVERLOAD VOLTAGE ARE SPECIFIED IN EACH
SPECIFICATION, SO IF THE VOLTAGE VALUE COMPUTED, IS OVER THAN
SPEC 1-FIED VOLTAGE VALUE, THE SPECIFIED VALUE SHOULD BE APPLIED
TO RESISTOR...
- IN THE COMPLICA TED OR HIGH DENSITY CIRCUIT, IT IS RECOMMENDED
THAT THE WATTAGE OR OHMIC VALUES OF RESISTOR SHOULD HAVE
A LARGE REDUNDANCY FROM A VIEW POINT OF RELIABILITY.
- IT IS NECESSARY THAT THE HANDLING OR WIRING OF RESISTOR TO THE
CIRCUIT, IS CAREFULLY AND PLEASE DO NOT INFLICT ANY STRESS TO
RESISTOR WITH OVER, HEATING APPOLICTION.
- TO RISE THE RELIABILITY OF RESISTOR, IT IS BETTER TO PRERER
RESISTOR WITH UNFORM QUALITY THAN TAKING RESISTOR MET WITH
SEVERE SPECIFI-CATION.
- TO RISE THE STABILITY OF RESISTOR, IT IS VERY IMPORTANT TO TAKE
RESIS-TOR MET WITH CIRCUIT CONDITIONS AND IS ALSO ECONOMICAL
NO TO HAVE UNREASONABLE DESIGE FROM A POINT OF PRICING OF
RESISTOR.
- GENERALLY, FAILURE OF RESISTOR TAKES A CONCENTRATED TREND IN THE
IMPULSE CIRCUIT WITH COMPLICATED PULSE WAVE FORM OF LC CIRCUIT
GENERATED HIGH VOLTAGE WITH TRANSIENT PHENOMENA, THEREFORE, IT
IS VERY IMPORTANT FOR DESIGNERS TO CONSIDER, THESE CONDITIONS
IN THE CIRCUIT DESIGN, IF THE RESISTOR IS APPLIED IN THESE CIRCUIT.
EXAMPLE:
DESCRIPTION
MOR 1W 10K 5%
SERIAL
NUMBER
TYPE
METAL OXIDE FILM RESISTOR (MOR)
METAL FILM FIXED RESISTOR (MF)
CARBON FILM FIXED RESISTOR (CR)
WIREWOUND RESISTOR FLAMEPROOF COATING RW TYPE (KNP)
SERIES
12
1/8W
25
1/4W
50
1/2W
100
1W
200
2W
300
3W
500
5W
100S
1W (SMALL SIZE)
PACKAGING
A
Tape Box
R
Tape Reel
B
Bulk
C
Forming
hor120Ntal Type
TOLERANCE
F
±1%
G
±2%
J
±5%
B
±0.1%
RESISTOR VALUE
E24 Series 5% 3Digits
2R2
2.2Ω
101
100Ω
103
10k
105
1M
RESISTOR VALUE
E96 Series 1% 4Digits
2R20
2.2Ω
1000
100Ω
1002
10K
1004
1M
STYLE
DIMENSION (mm)
O
P
L1-L2
T
Z
R
t
s
T26
26±1
5±0.4
1max
6±0.5
1max
0
4min
0.5max
T52
52±2
5±0.4
1max
6±0.5
1max
0
4min
0.5max
T73
73±2
10±0.4
1.2mas
6±0.5
1max
0
4min
0.5max
HOW TO APPLY RESISTORS CORRECTLY:
|
EXAMPLE:
DESCRIPTION | MOR 1W 10K 5% |
SERIAL NUMBER |
|
|
|
|
|
|
STYLE | DIMENSION (mm) | |||||||
O | P | L1-L2 | T | Z | R | t | s | |
T26 | 26±1 | 5±0.4 | 1max | 6±0.5 | 1max | 0 | 4min | 0.5max |
T52 | 52±2 | 5±0.4 | 1max | 6±0.5 | 1max | 0 | 4min | 0.5max |
T73 | 73±2 | 10±0.4 | 1.2mas | 6±0.5 | 1max | 0 | 4min | 0.5max |