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MF
SERIES
METAL FILM FIXED RESISTOR |
PDF |
STANDARD
TYPE MF(1/6W,1/4W,1/2W,3/5W,1W,2W)
FEATURES:
g SPEC PER
IEC 115-1, 115-4, MIL-R-10509F.
g STANDARD
TOLERANCE: ± 0.5%(D),±
1%(F), ± 2%(G) & ± 5%(J)
g
LOW NOISE,
LOW T.C.R.
g
HIGH RELIABILITY.
|
CONSTRUCTION
|
|
|
A) CERAMIC CORE (HIGH CONDUCTIVITY)
B) METAL FILM (HIGH STABILITY)
C) END CAP (TINNED IRON)
D) EPOXY RESIN (INSULATIVE LACQUER, SOLVENT-PROOF)
E) COLOR CODE PER IEC & EIA STANDARDS
(5 RINGS, EXCEPT 4 RINGS FOR ± 2% & ± 5%).
F) TINNED COPPER WIRE (RELIABLE SOLDERABILITY)
|
|
|
DIMENSIONS
|
TYPE
NO.
|
DIMENSIONS
|
watt
|
L
± mm
|
D
± 0.5mm
|
d
± 0.05mm
|
H
±3.0mm
|
|
MF16
|
1/6W
|
3.4
± 0.5
|
1.7
|
0.45
|
28
|
|
MF20
|
1/4W
|
3.4
± 0.5
|
1.7
|
0.45
|
28
|
|
MF25
|
1/4W
|
6.0±
0.5
|
2.3
|
0.6
|
27
|
|
MF60
|
3/5W
|
6.0
± 1.0
|
2.3
|
0.6
|
27
|
|
MF50
|
1/2W
|
9.0±
1.0
|
3.2
|
0.6
|
27
|
|
MF100
|
1W
|
11.0
± 1.0
|
4.3
|
0.8
|
35
|
|
MF200
|
2W
|
15.0
± 1.0
|
4.8
|
0.8
|
35
|
SPECIAL
SIZES, VALUES AND SPECIFICATIONS NOT LISTED AVAILABLE
ON SPECIAL ORDER.
CHARACTERISTICS:
|
POWER ATED ( 70°C)
ITEM
|
MF16
1/6W
|
MF20
1/4W
|
MF25
1/4W
|
MF50
1/2W
|
CF60
3/5W
|
CF100
1W
|
CF200
2W
|
MAX
WORKING
VOLTAGE |
200V
|
200V
|
250V
|
350V
|
250V
|
500V
|
500V
|
MAX
OVERLOAD
VOLTAGE |
400V
|
400V
|
500V
|
700V
|
500V
|
1000V
|
1000V
|
MAX
INTERMITTENCE
OVERLOAD VOLTAGE |
500V
|
500V
|
750V
|
1000V
|
750V
|
1500V
|
1500V
|
DIELECTRIC
WITHSTANDING
VOLTAGE |
300V
|
300V
|
500V
|
700V
|
500V
|
1000V
|
1000V
|
RESISTANCE
TOLERANCE |
±1%
±5%
|
±1%
±5%
|
±0.5%
±1%
± 2%
±5%
|
±0.5%
±1%
± 2%
±5%
|
±1%
± 2%
±5%
|
±1%
±5%
|
±1%
±5%
|
| RESISTANCE
RANGE |
MIN
|
10R
|
10R
|
1R
|
10R
|
1R
|
10R
|
10R
|
MAX
|
1M
|
1M
|
10M
|
4M7
|
10M
|
1M
|
1M
|
NOTE:RATED CONTINUOUS
WORKING VOLTAGE (RCWV) SHALL BE DETERMINED FROM
RCWV =
PERFORMANCE SPECIFICATIONS :
|
CHARACTERISTIC
|
SPECIFICATIONS
|
TEST
METHODS |
|
DC
RESISTANCE
|
±1%
|
AT
25°C
|
|
T.C.R.
|
± 50PPM
& ±100PPM
|
RESISTANCE
VALUE AT ROOM
TEMPERATURE ANDROOM
TEMPERATURE+100°C |
|
SHORT
TIME
OVER LOAD
|
±
(0.25% ± 0.05R)
|
2.5
TIME RCWV
5 SEC. |
|
INSULATION
RESISTANCE
|
1000M
OR MORE
|
V-BLOCK |
|
LOAD
LIFE
|
±
(1% ± 0.05R)
|
70°C,
1000 HRS. |
|
LOAD
LIFE IN
HUMIDITY
|
±
(1% ± 0.05R)
|
40°C,
90-95%RH,
1000 HRS. |
|
TEMPERATURE
CYCLING
|
±
(0.25% ± 0.05R)
|
-25°C
/ 105°C ,
5 CYCLING. |
|
RESISTANCE
TO
SOLDERING HEAT
|
±
(0.25% ± 0.05R)
|
350°C,
3.5 SEC.
260°C, 10 SEC. |
|
SOLDERABILITY
|
95%
COVERAGE MINIMUM
|
235°C,
2 SEC. |
|
|
|
|
©2010
EZENTEK CO., LTD. All Rights Reserved.
3F., No.1, Lane 58, Yuanqu St., Nangang, Taipei 115, Taiwan (R.O.C.)
TEL: 886-2-2651-2199 FAX: 886-2-2651-6336 E-MAIL: service@ezentek.com.tw
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