SYNTON
-
TECH CORPORATION
METAL FILM FIXED RESISTORS
11
File No.:
Version:
Page:
Date :
MF-02
B
1/22
2012.05.07
1. INTRODUCTION
To fill the function gap of carbon film resistors, metal oxide film
resistors or wire wound resistors SYNTON-TECH mages metal
film resistors. The resistive element is a high contests of AL203
ceramic rod on which a thin film of Ni/Cr alloy is deposited by
vacuum sputtering system. Then contact caps are pressed onto
the ends of the rod and a helical grove cut through the film to
give the required resistance value. Connecting copper wire are
welded to the end caps. Finally the resistors are coated with
multiple layers of insulation lacquer.
SYNTON-TECH’s
MF series are suitable for all circuit applications especially
tighter tolerance and low temperature coefficient are required.
2.
FEATURES
Meet American military specification
MIL-R-10509F!
Very low current noise!
Major applications are switching power sup-
plies, communications equipment, monitors,
testing meters.
APPROVED
CHECKED
DESIGNED
REMARK
DOCUMENT NO.
Carol
May
Chen
5/7 RE:SGS
0201010017
Confidential, Do Not Disseminate.
SYNTON
-
TECH CORPORATION
METAL FILM FIXED RESISTORS
11
File No.:
Version:
Page:
Date :
MF-02
B
2/22
2012.05.07
3. EXPLANATIONS OF ORDERING CODE
DESCRIPTION :
MF 1/4W 1%
025
F
100Ω
1000
T
SYNTON CODE : MF
SERIES
METAL
FILM FIXED
RESISTOR
POWER
012 : 1/8W
025 : 1/4W
040S : 0.4W
033S : 1/3W
050S : 1/2W
060S : 0.6W
050 : 1/2W
100 : 1W
200 : 2W
300S : 3W
500SS:5W
100 S : 1W
small Size
200 B : 2W
big Size
(Please see
detail of
Figure1)
TOLERANCE
F :
±1%
D :
±0.5%
C :
±0.25%
B :
±0.1%
A :
±0.05%
AA :
±0.01%
J :
±5%
RESISTANCE
VALUE
E96 Series 1%
4 Digits :
2R20 : 2.2Ω
1000 : 100Ω
1002 : 10K
1004 : 1M
E24 Series 5%
3 Digits :
2R2 : 2.2Ω
101 : 100Ω
103 : 10K
105 : 1M
PACKAGE
T
=Tape Box
S
=Tape 26mm
TR
=Tape Reel
B
=Bulk
M / MK / MB=
Forming
horizontal type
F / FK / FKK=
Forming
vertical type
(Please see
detail of
Figure7)
(Please see
detail of
Figure4&5.6)
Confidential, Do Not Disseminate.
SYNTON
-
TECH CORPORATION
METAL FILM FIXED RESISTORS
11
File No.:
Version:
Page:
Date :
MF-02
B
3/22
2012.05.07
4. ELECTRICAL CHARACTERISTICS
TYPE
MF- MF- MF- MF- MF- MF- MF- MF- MF- MF- MF- MF- MF- MF-
12 25S 40S 33S 25 50S 60S 50 100S 100 200S 200 300S 500SS
1W
2W
2W
3W
5W
Power Rating at
1/16W
1/8W
1/4W 0.4W 1/3W 1/4W 1/2W 0.6W 1/2W 1W
70℃
1/6W
Operating Temp.
—55℃½＋155℃
Range
Maximun
200V 250V 350V 250V 250V 350V 350V 350V 500V 500V 500V 500V 500V 500V
Working Volt.
Maximun
400V 500V 700V 500V 500V 700V 700V 700V
1000V 1000V 1000V 1000V 1000V
1000V
Overload Volt.
Dielectric
withstanding
400V 500V 700V 500V 500V 700V 700V 700V
1000V 1000V 1000V 1000V 1000V
1000V
Volt.
Value Range
±0.5%. ±1%
±0.25%
±0.1%
STANDARD
SPECIAL
10Ω~1MΩ
Low to 0.1Ω
high to 30MegΩ
100Ω~100KΩ
100Ω~47KΩ
SPECIAL VALUES AVAILABLE UPON REQUEST
Temp.
Coefficient
±10ppm/℃、±15ppm/℃、±25ppm/℃、±50ppm/℃、±100ppm/℃
Figure 1
Confidential, Do Not Disseminate.
SYNTON
-
TECH CORPORATION
METAL FILM FIXED RESISTORS
11
File No.:
Version:
Page:
Date :
MF-02
B
4/22
2012.05.07
5. POWER RATING
(1)Power Derating
: The rated power at the temperature in excess of
70
℃
shall be derated in accordance with figure2
70
100
Rated
Power
(%)
80
60
40
20
0
0
40
60
80
100
120
140
160
155
Ambient Temperature (℃)
Figure2
(2)Pulse Loading Characteristics
1000
Pulse withstanding power (W)
100
2W&3W&5W
10
1W
1/2W
1/4W
1
1
0.1
10µs
100µs
1ms
10ms
100ms
Continuous Time Of Pulse(sec.)
Confidential, Do Not Disseminate.
SYNTON
-
TECH CORPORATION
METAL FILM FIXED RESISTORS
11
File No.:
Version:
Page:
Date :
MF-02
B
5/22
2012.05.07
(2)Rated Voltage :
The DC or AC(rms) continuous working voltage
corresponding to the rated power is determined
by the following formula:
E
=
RxP
Where E : Continuous rated DC or AC (rms) working voltage (v)
P : Rated power (w)
R : Resistance value (
Ω
)
Confidential, Do Not Disseminate.
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