PAGE 1 OF 3
Melf Type Surface Mount Linear
Positive Temperature Coefficient Resistors
MLT Type
Bolivar Drive
■
P.O. Box 547
■
Bradford, PA 16701
■
USA
■
814-362-5536
■
Fax 814-362-8883
■
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA SPEER ELECTRONICS, INC.
SS-196 R4
AHA 6/11/07
1. 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 RoHS requirements. Pb located in glass material,
electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC
C
L
D3
D1 D2
Insulation
Coating Resistive
Film
Marking Ceramic
Core
Trimming
Line End
Cap
Type
(Inch Size Code) L C (min.) D1 D2 (max.) D3 (max.)
2B .138 .02 .057 .061 .004
(1406) (3.5 ± 0.2) (0.5) (1.45 ± 0.1) (1.55) (0.1)
2E .232 .02 .087 .094 .006
(2309) (5.9 ± 0.2) (0.5) (2.2 ± 0.1) (2.4) (0.15)
2. Dimensions and Structure
Dimensions in inches (mm)
CERTIFIED
CERTIFIED
3. Type Designation
The type designation shall be the following form:
Size ToleranceNominal
Resistance
2B: 1406
2E: 2309
G = ±2%
J = ±5%
2 significant
figures +
1 multiplier
2B J101
Packaging
TE: 7" Embossed
Plastic
(2B - 3,000 pcs/reel)
(2E - 1,500 pcs/reel)
TE
Termination
Material
T: Sn
(Other termination
styles may be
available, please
contact factory
for options)
T
MLT
Type
New Type
T.C.R.
3600
SS-196 R4 6/11/07 10:41 AM Page 1
Bolivar Drive
■
P.O. Box 547
■
Bradford, PA 16701
■
USA
■
814-362-5536
■
Fax 814-362-8883
■
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
PAGE 2 OF 3
KOA SPEER ELECTRONICS, INC.
SS-196 R4
Resistance
Tolerance
MLT
Part
Designation
Rated
Ambient
Temperature
Operating
Temperature
Range
T.C.R.
(ppm/°C)
Max.
T.C.R.
Tolerance
4. Applications and Ratings
±100 ppm/°C
±150 ppm/°C 1KΩ- 43KΩ2KΩ- 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
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
±15%
±10%
600, 700
800, 900
1000, 1200, 1400
2000, 2200, 2400
2600, 2800
3000, 3300
3600*
3900*
4200*
4500*
1600, 1800
Resistance
Range
2E
(0.25W)
Resistance
Range
2B
(0.125W)
G: ±2%
J: ±5%
510Ω- 51KΩ1KΩ- 100KΩ
-40°C to +125°C70°C
150, 250, 350
450, 500
* .51Ωof 3600 ppm/°C to 4500 ppm/°C are 15% in T.C.R. Tolerance.
Derating Curve
5. Environmental Application
% Rated Power
100
80
60
40
20
-20 0 20 40 60 80 100 120 140
12570
Ambient Temperature
(°C)
0
-40
6. Performance Characteristics
Parameter
Requirement ΔR ±(% + 0.05Ω)
Limit Typical Test Method
Resistance
T.C.R.
25°C
Room temperature, 50°C up
Within regulated
tolerance
Within specified
T.C.R.
—
—
Overload Rated power x 2.5 or max. overload voltage for 5 seconds, whichever is less
±1.0% ±0.75%
Resistance to Solder Heat 260°C ± 5°C, 10 seconds ± 1 second
±1.0% ±0.75%
Rapid Change of Temperature -55°C (30 minutes), +125°C (30 minutes), 5 cycles
±1.0% ±0.75%
Moisture Resistance 40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±3.0% ±2.0%
Endurance at 70°C 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±3.0% ±2.0%
Temperature Characteristics of Resistance
Temperature Rise
(°C)
60
20
0
-20
-25 0 25 50
% Rated Power
-50
-40
3300
1600
4500
2400
40
75 100 125
SS-196 R4 6/11/07 10:41 AM Page 2
Bolivar Drive
■
P.O. Box 547
■
Bradford, PA 16701
■
USA
■
814-362-5536
■
Fax 814-362-8883
■
www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
PAGE 3 OF 3
KOA SPEER ELECTRONICS, INC.
SS-196 R4
7. Taping Dimensions/Reel Dimensions
Type A B W P1T1øa ød e
2B .146 .067 .315 .157 .067 7.01 .827 .079
(3.7 ± 0.2) (1.7 ± 0.2) (8.0 ± 0.2) (4.0 ± 0.1) (1.7 ± 0.2) (178) (21) (2)
2E .244 .094 .472 .157 .102 7.01 .827 .079
(6.2 ± 0.2) (2.4 ± 0.2) (12.0 ± 0.1) (4.0 ± 0.1) (2.6 ± 0.2) (178) (21) (2)
Dimensions in inches (mm)
øa
ø13 ød
e
Central
hole
(mm)
SS-196 R4 6/11/07 10:41 AM Page 3