Metal Film Resistors
MF
Series
MERITEK
F
EATURES
•
•
•
•
•
Economically priced for commercial and industrial applications
Wide selection of power ratings and resistance values
EIA color coding
Resistance to industrial solvent
Standard tape & reel package
P
ART
N
UMBERING
S
YSTEM S
Meritek Series
Power Rating
CODE
12
0.125
W
16
0.16W
25
0.25W
20
0.50W
MF
100
1W
200
2W
25
F
1003
F
TR
Temperature Coeffient
CODE
CODE
C C
±10 ppm/°C
±10 p
p
m/°C
F F
±
ppm/°C
25
ppm/°C
±25
GBlank
H
±50 m/
C
±50
pp
ppm/°C
Resistance
First 3 digits are significant
4
TH
digit is multiplier
“R” indicates decimal for values below 10 ohm
Tolerance
CODE
B
0.1%
D
±0.5%
F
±1%
Power derating curve
70
Rated Load(%)
Tape & Reel
Dimensions
Style
Normal
MF-12 v
MF-12
MF-25
MF-50
MF-100
MF-200
Miniature
MF25s
MF25s
MF50s
MF1Ws
MF2Ws
MF3Ws
L
3.3±
0.4
0.2
3.3±
0.7
0.2
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
1.8±0.3
1.8±0.3
2.3±0.3
3.2±0.5
4.5±0.5
5.0±0.5
Dimensions(mm)
D
29±2.0
29±2.0
28±2.0
26±2.0
35±2.0
32±2.0
H
d
0.45±0.03
0.45±0.03
0.55±0.03
0.65±0.03
0.78±0.03
0.78±0.03
Electrical Characteristics
Power rating at 70
STYLE
Operating Temp. Range
Max. Working Voltage
Max. Overload Voltage
Dielectric Withstanding volt.
TEMP. COEFFICIENT
Value Range.
1%/ 0.5%
Value Range.
0.25%/ 0.1%
Specifications are
subject to change without notice.
200V
400V
300V
200V
400V
400V
250V
500V
500V
300V
600V
500V
0.125W
MF-12
0.25W
MF-25S
0.25W
MF-25
0.5W
MF-50S
0.5W
MF-50
1W
MF-1WS
1W
MF-100
2W
MF2WS
2W
MF-200
3W
MF3WS
55
350V
700V
500V
to
155
400V
800V
700V
450V
1000V
1000V
500V
1000V
1000V
500V
1000V
1000V
500V
1000V
1000V
15ppm/
25ppm/
10
~1 M
50ppm/
100ppm/
E96 series
E192 series
rev.6a
100 ~100K
stm32/stm8
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