ML
T
linear positive tempco melf resistor
EU
features
•
•
•
•
•
Twenty-five specifiable temperature coefficients
Standard resistance sizes
Meets or exceeds EIAJ-8011, EIA-PDP-100
Marking: Gray body color
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
C
L
D3
Type
(Inch Size Code)
D1 D2
L
.138±.008
(3.5±0.2)
.232±.008
(5.9±0.2)
Dimensions
inches
(mm)
C (min.)
D1
D2 (max.) D3 (max.)
.02
(0.5)
.02
(0.5)
.057±.004
(1.45±0.1)
.087±.004
(2.2±0.1)
.061
(1.55)
.094
(2.4)
.004
(0.1)
.006
(0.15)
2B
(1406)
2E
(2309)
Insulation
Coating
Trimming Resistive
Line
Film
Ceramic
Core
End
Cap
Marking
ordering information
New Part #
MLT
Type
2B
Size
2B: 1406
2E: 2309
T
Termination
Material
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
TE
Packaging
TE: 7" embossed plastic
(2B - 3,000 pieces/reel)
(2E - 1,500 pieces/reel)
101
Nominal
Resistance
2 significant
figures + 1
multiplier
J
Tolerance
G: ±2%
J: ±5%
3600
T.C.R.
applications and ratings
Part
Designation
T.C.R.
(ppm/°C)
Max.
150, 250, 350
450, 500
600, 700
800, 900
1000, 1200, 1400
1600, 1800
MLT
2000, 2200, 2400
2600, 2800
3000, 3300
3600*
3900*
4200*
4500*
±10%
T.C.R.
Tolerance
±100 ppm/°C
±150 ppm/°C
±15%
Resistance
Range
2B
(0.125W)
510Ω - 51KΩ
1KΩ - 43KΩ
2KΩ - 43KΩ
3KΩ - 27KΩ
1KΩ - 10KΩ
820Ω - 9.1KΩ
820Ω - 6.2KΩ
10Ω - 5.1KΩ
10Ω - 5.1KΩ
10Ω - 3.3KΩ
10Ω - 680Ω
10Ω - 330Ω
Resistance
Range
2E
(0.25W)
1KΩ - 100KΩ
2KΩ - 82KΩ
3.9KΩ - 82KΩ
6.2KΩ - 51KΩ
3KΩ - 27KΩ
1KΩ - 22KΩ
1KΩ - 18KΩ
10Ω - 7.5KΩ
10Ω - 7.5KΩ
10Ω - 6.2KΩ
10Ω - 1.3KΩ
10Ω - 680Ω
J: ±5%
70°C
-40°C to +125°C
Resistance
Tolerance
G: ±2%
Rated
Ambient
Temperature
Operating
Temperature
Range
* .51Ω of 3600 ppm/°C to 4500 ppm/°C are 15% in T.C.R. Tolerance.
For further information on packaging, please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
2/11/08
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
93
resistors
ML
T
resistors
linear positive tempco melf resistor
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-40
Temperature Characteristics of Resistance
60
4500
Temperature Rise
(°C)
40
3300
2400
20
0
-20
-40
1600
-20
0
20
40
60
80
70
Ambient Temperature
(°C)
100 120
140
125
-50 -25
0
25
50
75
100
125
% Rated Power
Approximate Expression for Resistance-Temperature Characteristics
T.C.R.
(x10
-6
/K)
3000
3300
3600
3900
4200
4500
(Values are not guaranteed but typical)
R
T
: Resistance value at T°C
R
25
: Resistance value at 25°C
T: Ambient temperature (°C)
C
0
, C
1
, C
2
: Constants
C
0
0.934
0.927
0.921
0.915
0.909
0.903
C
1
0.00258
0.00282
0.00306
0.00330
0.00353
0.00377
C
2
2.77
3.17
3.58
4.00
4.44
4.89
x
x
x
x
x
x
10
-6
10
-6
10
-6
10
-6
10
-6
10
-6
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Endurance at 70°C
Requirement
Δ
R ±(% + 0.05Ω)
Limit
Typical
Within regulated
—
tolerance
Within specified
—
T.C.R.
±1.0%
±0.75%
±1.0%
±0.75%
±1.0%
±0.75%
±3.0%
±2.0%
±3.0%
±2.0%
Test Method
25°C
Room temperature, 50°C up
Rated power x 2.5 or max. overload voltage for 5 seconds, whichever is less
260°C ± 5°C, 10 seconds ± 1 second
-55°C (30 minutes), +125°C (30 minutes), 5 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/29/04
94
KOA Speer Electronics, Inc.
• Bolivar Drive • P Box 547 • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
.O.
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