KOA LA731JTTD101J330 Thick film linear positive tempco thermistor Datasheet

KOA SPEER ELECTRONICS, INC.
SS-250 R4
AHA 5/01/08
Thick Film Linear Positive
Tempco Thermistor
LA73 Type
CERTIFIED
CERTIFIED
1. Features
■ Anti-leaching nickel barrier terminations
■ Marking: Black three-digit on orange
body color
■ Twenty-five specifiable temperature characteristics
■ Products with lead-free terminations meet EU-RoHS
requirements. Pb located in glass material, electrode
and resistor element is exempt per Annex 1, exemption
5 of EU directive 2005/95/EC
2. Dimensions
L
c
Table 1
c
W
t
d
Part
L
1J (0603)
0.063±0.008
(1.6±0.2)
0.031±0.004
(0.8±0.1)
2A (0805)
0.079±0.008
(2.0±0.2)
2B (1206)
0.126±0.008
(3.2±0.2)
Solder
Plating
Ni
Plating
Protective
Coating
Resistive Inner
Film
Electrode
Ceramic
Substrate
Dimensions - inches (mm)
W
c
d
t
0.012±0.004
(0.3±0.1)
0.012±0.004
(0.3±0.1)
0.02±0.004
(0.5±0.1)
0.049±0.004
(1.25±0.1)
0.016±0.008
(0.4±0.2)
+0.008
0.012±...
..
-0.004
+0.2
(0.3± -0.1 )
0.02±0.004
(0.5±0.1)
0.063±0.008
(1.6±0.2)
0.02±0.008
(0.5±0.3)
+0.008
0.016±...
..
-0.004
+0.2
(0.4± -0.1 )
0.024±0.004
(0.6±0.1)
3. Type Designation
The type designation shall be in the following form:
LA73
Type
1J
T
TD
101
J
3300
Size Code
Termination
Material
Packaging
Resistance
Value
Tolerance
T.C.R.
1J: 0603
2A: 0805
2B: 1206
T: Sn
(Other termination
styles available,
contact factory
for options)
TP: 7" Embossed Plastic
2mm pitch
TD: 7" paper
(5,000 pieces/reel)
2 significant
figures + 1
multiplier
J: ±5%
PAGE 1 OF 4
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-250 R4
4. Standard Applications
Table 1
Part
Designation
Thermal Dissipation
Constant (mW/°C)
LA731J
7.6
LA732A
8.2
LA732B
9.0
Rated
Ambient Temp.
Operating
Temp. Range
+70°C
-55°C to +125°C
Table 2
Resistance Range
E-12
LA731J
LA732A
LA732B
1KΩ - 10KΩ
680Ω - 6.8KΩ
470Ω - 4.7KΩ
470Ω - 3.9KΩ
330Ω - 2.7KΩ
330Ω - 2.7KΩ
220Ω - 1.8KΩ
100Ω - 1.2KΩ
100Ω - 1.2KΩ
100Ω - 390Ω
68Ω - 220Ω
33Ω - 120Ω
22Ω - 82Ω
1KΩ - 10KΩ
680Ω - 6.8KΩ
470Ω - 4.7KΩ
470Ω - 3.9KΩ
330Ω - 2.7KΩ
330Ω - 2.7KΩ
220Ω - 1.8KΩ
100Ω - 1.2KΩ
100Ω - 1.2KΩ
100Ω - 390Ω
68Ω - 220Ω
33Ω - 120Ω
22Ω - 82Ω
1KΩ - 10KΩ
680Ω - 6.8KΩ
470Ω - 4.7KΩ
470Ω - 3.9KΩ
330Ω - 2.7KΩ
330Ω - 2.7KΩ
220Ω - 1.8KΩ
100Ω - 1.2KΩ
100Ω - 1.2KΩ
100Ω - 390Ω
68Ω - 220Ω
33Ω - 120Ω
22Ω - 82Ω
Resistance
Tolerance
T.C.R.
(ppm/°C)
Max.
J: ±5%
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3300
3600
T.C.R.
Tolerance
±100ppm/°C
±5%
PAGE 2 OF 4
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-250 R4
6. Environmental Applications
6.2 Temperature Characteristics
Resistance Changing Rate (∆R)
6.1 Derating Curve
100
40
% Rated Power
80
60
40
3600ppm/∞C
30
3000ppm/∞C
20
2000ppm/∞C
10
1000ppm/∞C
0
-10
-20
20
-30
0
-60 -40
-55
-20
0
20
40
60
80
70
Ambient Temperature
(∞C)
-40
-75
100 120
140
125
-50
-25
0
25
50
75
Ambient Temperature
(∞C)
100
125
7. Approximate Expression for Resistance-Temperature Characteristics
T.C.R.
(x10-6/K)
C0
C1
C2
3000
3300
3600
0.926
0.918
0.910
0.00294
0.00325
0.00359
1.1 x 10-7
4.1 x 10-7
1.7 x 10-7
(Values are not guaranteed but typical)
RT=R25 (C0+C1T+C2T2)
RT: Resistance value at T°C
R25: Resistance value at 25°C
T: Ambient temperature (°C)
C0, C1, C2: Constants
8. Characteristics
Parameter
Resistance
T.C.R.
Short Time Overload
Requirement ∆ R
Within regulated tolerance
Within specified T.C.R.
Test Method
25°C
+25°C/+75°C
Rated voltage x 2.5 or max. working voltage x 2
for 5 seconds, whichever is less
260°C ± 5°C, 10 seconds ± 1 second
235°C ± 5°C, 2 seconds ± 0.5 seconds
Width of holding point 90mm, bending 3mm, 1 time
-55°C (30 minutes), +125°C (30 minutes), 100 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, rated voltage load
70°C ± 3°C, 1000 hours, rated voltage load
±(1.0% + 0.1Ω): 1J, 2A, 2B
Resistance to Solder Heat
Solderability
Bending Test
Temperature Cycling
Moisture Resistance
Load Life
95% coverage minimum
±(1.0% + 0.1Ω): 1J, 2A, 2B
±(3.0% + 0.1Ω): 1J, 2A, 2B
PAGE 3 OF 4
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-250 R4
9. Packaging Specifications
(Notes) Dotted lines are applicable to only "TP."
Dimensions - inches (mm)
Style
A
B
W
2A
0.75±0.004
(1.9±0.1)
0.043±0.004
(1.1±0.1)
2B
0.94±0.008
(2.4±0.2)
0.065±0.008
(1.65±0.2)
1J
0.45±0.004
(1.15±0.1)
0.026±0.004
(0.65±0.1)
P1
T1
0.024+0.008/-0
(0.6+0.2/-0)
0.16±0.004
(4.0±0.1)
0.31±0.008
(8.0±0.2)
0.03+0.008/-0
(0.75+0.2/-0)
0.78±0.002
(2.0±0.05)
0.018+0.004/-0
(0.45+0.1/-0)
(Notes) Reel holes, shapes and design are examples
Dimensions - inches (mm)
Style
Tape
2A
Punched
Carrier
2B
TD
øa
B
D
ød
7±.078
(178±2)
2.36±.078
(60±2)
0.35±.059
(9±1.5)
.83
(21)
1J
PAGE 4 OF 4
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.
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