MLF/MLFM Series
Metal Film Melf Resistor
Features:
•
•
•
•
Thin Film Technology for precision and stability
Excellent power to size ratio
Exhibits good pulse power characteristics
RoHS compliant / lead-free
Stackpole Electronics, Inc.
Resistive Product Solutions
Electrical Specifications
Type / Code
Package
Size
Power Rating
(Watts) @ 70ºC
Maximum
Working
Voltage(1)
200V
Maximum
Overload
Voltage
400V
Resistance
Temperature
Coefficient
±10 ppm/ºC
±15 ppm/ºC
±25 ppm/ºC
±50 ppm/ºC
±10 ppm/ºC
±15 ppm/ºC
±25 ppm/ºC
±50 ppm/ºC
±15 ppm/ºC
±25 ppm/ºC
±50 ppm/ºC
Ohmic Range (Ω) and Tolerance
0.1%
100 - 20K
100 - 100K
100 - 270K
100 - 270K
100 - 20K
100 - 100K
100 - 400K
100 - 400K
100 - 100K
100 - 100K
100 - 100K
0.5%
10 - 20K
10 - 100K
4.7 - 560K
1 - 1M
100 - 20K
10 - 100K
10 - 560K
1 - 1M
10 - 100K
4.7 - 1M
1 - 10M
1%
-
-
4.7 - 1M
1 - 10M
10 - 20K
10 - 100K
10 - 560K
1 - 5.1M
10 - 100K
4.7 - 560K
1 - 2.2M
5%
-
-
-
-
-
-
-
1 - 5.1M
-
-
1 - 2.2M
MLF 1/4
0204
0.25W
MLF 1/2
0207
0.5W
300V
500V
MLFM 1
0207
1W
350V
700V
(1) Lesser of
√PR
or maximum working voltage.
Mechanical Specifications
Type / Code
MLF 1/4
MLF 1/2 / MLFM 1
L
Body Length
0.138 ± 0.008
3.50 ± 0.20
0.232 ± 0.008
5.90 ± 0.20
D
Body Diameter
0.055 ± 0.006
1.40 ± 0.15
0.087 ± 0.008
2.20 ± 0.20
L1
Inner Body
0.09
2.3
0.185
4.7
K
Termination
0.020 ± 0.004
0.50 ± 0.10
0.020 ± 0.004
0.50 ± 0.10
Units
inches
mm
inches
mm
Rev Date: 10/13/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
MLF/MLFM Series
Metal Film Melf Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Test
Load Life
Load Life in Moisture
Resistance to Soldering Heat
Solderability
Short Time Overload
Insulation Resistance
Operating Temperature Range: -55ºC to +155ºC
Specification
±2.0%
±2.0%
±0.5%
Min 95% coverage
±0.5%
1GΩ minimum
Power Derating Curve:
100
Percent Rated Power (%)
75
50
25
0
30
60
90
120
150
180
Ambient Temperature (ºC)
Rev Date: 10/13/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
MLF/MLFM Series
Metal Film Melf Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
How to Order
SEI Type
Code
TCR
Nominal
Resistance
Tolerance
Packaging
MLF
Type
MLF
MLFM
Description
Standard
Mini
1/2
Code Wattage
1/4
0.25W
1/2
0.5W
1
1W
T9
TCR (ppm)
T1
100
T2
50
T9
25
TB
10
4.75K
0.5%
Tolerance
0.1%
0.5%
1%
5%
Values
E96, E24
E96, E24
E96, E24
E24
SEI Types
MLF 1/4
MLF 1/2, MLFM 1
R
Pkg Qty Code Description
3,000
7" reel
R
2,000
paper tape
New part number format starting January 3
rd
, 2011:
How to Order
1
2
3
4
5
6
7
8
9
10
11
12
M
L
F
1
2
D
T
E
4
K
7
5
Product Series
MLF
Standard
Mini
MLFM
Size
14
12
1
Power
0.25W
0.5W
1W
Tolerance
Code Tol
B
0.1%
D
0.5%
F
1%
J
5%
Code
T
Packaging
Description
Size
7" reel
0204
paper tape
0207
Quantity
3,000
2,000
TCR
Code ppm
T
10
E
25
C
50
D
100
Resistance Value
Four characters with the
multiplier used as the
decimal holder.
10 ohm = 10R0
100 ohm = 100R
1 Kohm = 1K00
560 Kohm = 560K
Rev Date: 10/13/2010
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
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