LP73
thin film resistance thermal chip sensors
EU
features
•
Thin film thermal sensors of SMD type
•
Resistance tolerance ±1%, a wide range of TCRs
+3000x10
-6
/K~+5000x10
-6
/K with the standard products
•
Suitable for control of temperatures in various industrial
equipment
•
Suitable for both flow and reflow soldering
•
Marking: Black body color
•
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
circuit
protection
dimensions and construction
c
L
c
Type
(Inch Size Code)
L
Dimensions
inches
(mm)
W
c
d
t
.02±.004
(0.5±0.1)
W
1J
(0603)
Solder
Plating
Ni
Plating
2A
(0805)
2B
(1206)
.063±.008 .031±.008 .012±.008 .012±.008
(1.6±0.2)
(0.8±0.2)
(0.3±0.2)
(0.3±0.2)
.079±.008 .049±.008 .016±.008 .016±.008 .02±.006
(0.4±0.2) (0.5±0.15)
(2.0±0.2) (1.25±0.2) (0.4±0.2)
.126±.008 .063±.008
(3.2±0.2)
(1.6±0.2)
.02±.012
(0.5±0.3)
.02±.012
(0.5±0.3)
.02±.006
(0.5±0.15)
t
d
Protective
Coating
Resistive Inner
Electrode
Film
Ceramic
Substrate
ordering information
New Part #
LP73
Type
2B
Size
Code
1J: 0603
2A: 0805
2B: 1206
T
Termination
Material
T: Sn
TE
Packaging
TE: 4mm embossed
pitch plastic
(5,000 pieces/reel)
103
Resistance
Value
2 significant
figures + 1
multiplier for
±2% and ±5%
3 significant
figures + 1
multiplier
for ±1%
J
Tolerance
F: ±1%
G: ±2%
J: ±5%
3600
T.C.R.
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.
11/20/08
152
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
LP73
thin film resistance thermal chip sensors
applications and ratings
Part
Designation
LP731J
LP732A
LP732B
Power
Rating
0.016W
0.031W
0.063W
Thermal
Thermal
Time
Dissipation
Constant Constant
(sec.)
(mW/°C)
2
4
6.5
1.2
1.8
2.4
+70°C
-55°C
to
+125°C
100Ω -
1kΩ
100Ω -
2kΩ
100Ω -
10kΩ
F: ±1%
G: ±2%
J: ±5%
Rated
Ambient
Temp.
Operating
Temp.
Range
T.C.R.
Resistance
T.C.R.
(ppm/°C)
Tolerance
Tolerance
Max.
LP731J LP732A LP732B
3000
3300
3600
4000
4500
5000
Resistance Range
E-24
±5%
environmental applications
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40
-55
Temperature Characteristics
Resistance Changing Rate (∆R)
60
50
40
30
20
10
0
-10
-20
-30
-40
-75
6000ppm/°C
4600ppm/°C
4000ppm/°C
3600ppm/°C
3300ppm/°C
3000ppm/°C
-20
0
80
70
Ambient Temperature
(°C)
20
40
60
100 120
140
125
-50
-25
0
25
50
75
100
125
Ambient Temperature
(°C)
Approximate Expression for Resistance-Temperature Characteristics
T.C.R.
(x10
-6
/K)
3000
3300
3600
4000
4500
5000
C
0
0.930587
0.924633
0.915818
0.907050
0.897412
0.885114
C
1
0.00265022
0.00292657
0.003232524
0.00361010
0.00395222
0.00436780
C
2
3.89831
4.00637
4.34173
4.33462
6.05201
7.48048
x
x
x
x
x
x
10
-6
10
-6
10
-6
10
-6
10
-6
10
-6
(Values are not guaranteed but typical)
R
T
=R
25
(C
0
+C
1
T+C
2
T
2
)
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
Performance Characteristics
Parameter
Resistance
T.C.R.
Overload
Resistance to Solder Heat
Rapid Change
of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
Requirement
∆
R
Limit
Typical
––
––
±0.3%
±0.3%
±0.3%
±1.5%
±1.5%
8 (Reference)
25°C
+25°C/+65°C
Test Method
Within regulated
tolerance
Within specified
T.C.R.
±0.5%
±0.5%
±0.5%
±2.0%
±2.0%
––
Rated voltage x 2.5 for 5 seconds
260°C ± 5°C, 10 seconds ± 1 second
-55°C (30 minutes),+25°C (2-3 minutes), +125°C (30 minutes),
+25°C (2-3 minutes), 5 cycles
40°C ± 2°C, 90 - 95% RH, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle
70°C ± 2°C, 1000 hours, 1.5 hours ON, 0.5 hours OFF cycle
+125°C, 1000 hours
11/20/08
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.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
153
circuit
protection
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