MLF/MLFM Series — Metal Film Melf Resistor
Features
• Thin Film Technology for precision and stability
• Excelent power to size ratio
• Exhibts good pulse power characteristics
• RoHS compliant / lead-free
Electrical Specifications
Type
Package
Type
Power
Rating
(Watts)
@ 70°C
Maximum
Working
Voltage*
Resistance
Temperature
Coefficient
10
15
25
50
100
10
15
25
50
100
10
15
25
50
100
15
25
50
100
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
Ohmic Range and Tolerance
0.1%
100Ω – 20KΩ
100Ω – 50KΩ
100Ω – 100KΩ
10Ω – 100KΩ
10Ω – 100KΩ
100Ω – 10KΩ
100Ω – 10KΩ
100Ω – 100KΩ
100Ω – 100KΩ
100Ω – 100KΩ
100Ω – 20KΩ
100Ω – 50KΩ
100Ω – 100KΩ
10Ω – 100KΩ
10Ω – 100KΩ
100Ω – 10KΩ
100Ω – 100KΩ
100Ω – 100KΩ
100Ω – 100KΩ
0.5%
100Ω – 20KΩ
10Ω – 50KΩ
10Ω – 560KΩ
10Ω – 1.0MΩ
10Ω – 1.0MΩ
10Ω – 15KΩ
10Ω – 15KΩ
10Ω – 560KΩ
10Ω – 1.0MΩ
10Ω – 1.0MΩ
100Ω – 20KΩ
50Ω – 50KΩ
50Ω – 560KΩ
10Ω – 1.0MΩ
10Ω – 1.0MΩ
10Ω – 50KΩ
10Ω – 560KΩ
10Ω – 1.0MΩ
10Ω – 1.0MΩ
1%
100Ω – 20KΩ
10Ω – 50KΩ
10Ω – 560KΩ
1.0Ω – 5.1MΩ
1.0Ω – 5.1MΩ
10Ω – 15KΩ
10Ω – 15KΩ
10Ω – 560KΩ
1.0Ω – 5.1MΩ
1.0Ω – 5.1MΩ
100Ω – 20KΩ
50Ω – 50KΩ
50Ω – 560KΩ
1.0Ω – 5.1MΩ
1.0Ω – 5.1MΩ
10Ω – 50KΩ
10Ω – 560KΩ
1.0Ω – 1.0MΩ
1.0Ω – 1.0MΩ
5%
–
–
–
–
–
–
–
–
1.0Ω – 5.1MΩ
1.0Ω – 5.1MΩ
–
–
–
–
–
–
–
1.0Ω – 1.0MΩ
1.0Ω – 1.0MΩ
MLF 1/4
0204
0.25W
200V
MLF 1/2
0207
0.50W
300V
MLFM 1/2
0204
0.50W
300V
MLFM 1
0207
1.00W
500V
* Lesser of
√PR
or maximum working voltage.
Mechanical Specifications
Type /
Code
MLF 1/4
MLF 1/2
MLFM 1/2
MLFM 1
L
Body
Length
0.136 ± 0.12
3.45 ± 0.3
0.232 ± 0.12
5.90 ± 0.3
0.136 ± 0.12
3.45 ± 0.3
0.232 ± 0.12
5.90 ± 0.3
D
Body
Diameter
0.053 ± 0.08
1.35 ± 0.2
0.087 ± 0.08
2.20 ± 0.2
0.053 ± 0.08
1.35 ± 0.2
0.087 ± 0.08
2.20 ± 0.2
L1
Inner
Length
0.157
4.00
0.134
3.40
0.157
4.00
0.134
3.40
K
Termination
Width
0.024 ± 0.04
0.60 ± 0.1
0.040 ± 0.04
1.00 ± 0.1
0.024 ± 0.04
0.60 ± 0.1
0.040 ± 0.04
1.00 ± 0.1
Units
inches
mm
inches
mm
inches
mm
inches
mm
How to Order
MLF
SEI Type
SEI Type
MLF
MLFM
Description
Standard
Mini
Code
1/4
1/2
1
1/2
Code
TCR
T2
TCR
10K
Nominal Resistance
Tolerance
0.1%
0.5%
1%
5%
Values
E192
E192
E96
E24
1%
Tolerance
Type
MLF 1/4, MLFM 1/2
MLF 1/2, MLFM 1
R
Packaging
Pkg Qty
3,000
2,000
Description
7" reel
Code
R
TB = 10ppm
TD = 15ppm
T9 = 25ppm
T2 = 50ppm
T1 = 100ppm
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
23
email: marketing@seielect.com
Rev 08/07
MLF/MLFM Series — Metal Film Melf Resistor
Performance Characteristics
Test
Short Time Overload
Thermal Shock
Load Life
Humidity
Resistance to Soldering Heat
Solderability
Method
JIS-C-5202-5.5
MIL-STD-202F Method 107G
MIL-STD-202F Method 108A
MIL-STD-202F Method 103B
MIL-STD-202F Method 210E
MIL-STD-202F Method 208H
Results
± 0.10%
± 0.25%
± 0.50%
± 0.50%
± 0.25%
95% coverage min
Operating Temp Range : -55°C to +155°C
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
24
email: marketing@seielect.com
Rev 08/07
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