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ASJ |
MF Metal Film Resistors
INTRODUCTION
The MF series Metal Film Resistors are manufactured by vacuum deposition of multiple layers of
metal film on high thermal conductive ceramic rods and are coated with layers of lacquer.
FEATURES
10 • Low Temperature Coefficient Resistance.
• Wide Resistance Range.
• Tight Tolerance.
• Precision Performance Characteristics.
• Lead Free
RATINGS
Type
MF 50
MF 55
MF55SS
MF 60
MF60SS
MF 65
MF 70
Rated Power at 70° C
Operating Temp. Range
Derated to 0 Load at
Maximum Working Voltage
Maximum Overload Voltage
Resistance Range
1% E-96, E-24
5%, E-24
Temperature Coefficient
1/6W
200V
400V
1Ω-10MΩ
50ppm/° C
1/4W
250V
500V
1Ω-10MΩ
50ppm/° C
0.4W
1/2W
-55ºC to +155ºC
+155ºC
200V 350V
400V 700V
0.6W
250V
500V
1Ω-10MΩ 1Ω-10MΩ 1Ω-10MΩ
50ppm/° C 50ppm/° C 50ppm/° C
1W
500V
700V
1Ω-10MΩ
50ppm/° C
2W
500V
1000V
1Ω-10MΩ
50ppm/° C
DIMENSIONS
l
L
øD
C
ød
Type
DIMENSIONS (Millimeters)
LC
MF50/MF55SS
MF55/MF60SS
MF 60
MF 65
MF 70
3.30± 0.4
6.35± 0.5
9.00± 0.5
12.00± 1.0
16.00± 1.0
4.1 Max
7.1 Max
11.8 Max
15.0 Max
22.0 Max
D
1.70± 0.2
2.30± 0.3
3.20± 0.5
4.50± 0.5
5.00± 0.5
l
28.0± 3.0
28.0± 3.0
28.0± 3.0
35.0± 3.0
35.0± 3.0
d
0.45± 0.05
0.60± 0.05
0.60± 0.05
0.80± 0.05
0.80± 0.05
ASJ PTE LTD
Free Datasheet http://www.datasheet4u.net/
MF Metal Film Resistors
PERFORMANCE CHARACTERISTICS
Performance Test
Test Method
Specification
DC Resistance
MIL-STD-202F, Method 303 ± 1% Tolerance
Resistance Temperature Coefficient
MIL-STD-202F, Method 304 ± 50ppm/ºC
Short Time Overload
MIL-R-55342E, Sect. 4.7.5
± (0.5% + 0.05Ω)
Dielectric Withstanding Voltage
MIL-STD-202F, Method 301 ± (0.5% + 0.05Ω) No Mechanical Damage
11 Insulation Resistance
Current Noise
MIL-STD-202F, Method 302
MIL-STD-202F, Method 308
>104MΩ
<0.3µ v/v
Solderability
MIL-STD-202F, Method 208 >95% coverage
Resistance to Soldering Heat
MIL-R-55342E, Sect. 4.7.7
± (0.5% + 0.05Ω)
Robustness of electrode (Terminal Strength) MIL-STD-202F, Method 211
± (0.25% + 0.05Ω) No Mechanical Damage
Resistance to Solvents
MIL-STD-202F, Method 215 No Damage to lacquer & colour coding
Moisture Resistance
MIL-STD-202F, Method 106 ± (0.5% + 0.05Ω)
Temperature Cycling
MIL-STD-883F, Method 1010.7 ± (0.5% + 0.05Ω)
Low Temperature Operation
MIL-R-55342E, Sect. 4.7.4
± (0.5% + 0.05Ω)
High Temperature Exposure
MIL-R-55342E, Sect. 4.7.6
± (1.0% + 0.1Ω)
Thermal Shock
MIL-STD-202F, Method 107 ± (0.5% + 0.1Ω)
Loadlife
MIL-STD-202F, Method 108 ± (1.0% + 0.1Ω)
DERATING CURVE
100
-55ºC
80
60
40
20
0
-60
-40
-20
0
ORDERING CODE
70ºC
155ºC
20 40 60 80 100 120 140 160 180 200
Ambient Temperature (ºC)
MF XXXX - XXXX X - X X
Resistor
Metal Film
Resister
Size
50
55SS
55
60SS
60
65
70
Nominal Resistance
3- E24 Series
Digit 2.2Ω=2R2
Resistors
100Ω=101
4- E96 Series
Digit 10.2Ω=10R2
10KΩ=1002
Resistance
Tolerance
J=± 5%
F=± 1%
D=± 0.5%
B=± 0.1%
Packaging
A=Ammo (52MM)
S=Spool (52MM)
M=Ammo (26MM)
R=Spool (26MM)
N=Ammo (73MM)
Q=Spool (73MM)
Quantity
1 = 1000 pcs
2 = 2000 pcs
3 = 3000 pcs
5 = 5000 pcs
ASJ PTE LTD
Free Datasheet http://www.datasheet4u.net/
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