KOA LP731J Thin film resistance thermal chip sensor Datasheet

1733 Reader's Spreads pg1-203:document
1/27/09
4:11 PM
Page 150
LP73
thin film resistance thermal chip sensors
EU
features
circuit
protection
• 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
dimensions and construction
L
c
Type
c
W
Solder
Plating
Ni
Plating
t
d
Protective
Coating
L
(Inch Size Code)
Dimensions inches (mm)
W
c
d
t
1J
(0603)
.063±.008 .031±.008 .012±.008 .012±.008
(1.6±0.2)
(0.8±0.2)
(0.3±0.2)
(0.3±0.2)
2A
(0805)
.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)
2B
(1206)
.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±.004
(0.5±0.1)
.02±.006
(0.5±0.15)
Resistive Inner
Electrode
Film
Ceramic
Substrate
ordering information
New Part #
LP73
Type
2B
T
Size
Code
1J: 0603
2A: 0805
2B: 1206
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
3600
Tolerance
T.C.R.
F: ±1%
G: ±2%
J: ±5%
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.
152
11/20/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
1733 Reader's Spreads pg1-203:document
1/27/09
4:12 PM
Page 151
PMS 300 neg.
Black neg.
LP73
thin film resistance thermal chip sensors
applications and ratings
Power
Rating
LP731J
0.016W
2
1.2
LP732A
0.031W
4
1.8
LP732B
0.063W
6.5
2.4
Rated
Ambient
Temp.
Resistance Range
E-24
Operating
Temp.
Range
T.C.R.
Resistance
T.C.R.
(ppm/°C)
Tolerance
Tolerance
Max.
LP731J LP732A LP732B
-55°C
to
+125°C
+70°C
100Ω 1kΩ
100Ω 2kΩ
F: ±1%
G: ±2%
J: ±5%
100Ω 10kΩ
3000
3300
3600
4000
4500
5000
±5%
environmental applications
Temperature Characteristics
Resistance Changing Rate (∆R)
Derating Curve
100
% Rated Power
80
60
40
20
0
-60 -40
-55
-20
0
20
40
60
80
70
Ambient Temperature
(°C)
100 120
140
125
60
50
40
30
20
10
0
-10
-20
-30
-40
-75
6000ppm/°C
4600ppm/°C
4000ppm/°C
3600ppm/°C
3300ppm/°C
3000ppm/°C
-50
-25
0
25
50
75
100
125
Ambient Temperature
(°C)
Approximate Expression for Resistance-Temperature Characteristics
T.C.R.
(x10-6/K)
C0
C1
3000
3300
3600
4000
4500
5000
0.930587
0.924633
0.915818
0.907050
0.897412
0.885114
0.00265022
0.00292657
0.003232524
0.00361010
0.00395222
0.00436780
C2
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)
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
Performance Characteristics
Parameter
Resistance
Requirement ∆ R
Limit
Typical
Within regulated
tolerance
––
Within specified
T.C.R.
––
Overload
Resistance to Solder Heat
Rapid Change
of Temperature
±0.5%
±0.5%
±0.5%
±0.3%
±0.3%
±0.3%
Moisture Resistance
Endurance at 70°C
High Temperature Exposure
±2.0%
±2.0%
––
±1.5%
±1.5%
8 (Reference)
T.C.R.
Test Method
25°C
+25°C/+65°C
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
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
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
153
circuit
protection
Thermal
Thermal
Time
Dissipation
Constant Constant
(sec.)
(mW/°C)
Part
Designation
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