LP
thin film resistance thermal sensor
features
•
LP series is thin-film thermal
sensors and accomodates resistance
tolerance ±1% and high T.C.R. +5000×10
−6
/K
with the standard products
•
Suitable for control of temperatures for various
industrial equipment
•
Coating color: Ivory (LP1/16)
Brown (LP1/8) and marking
•
Products meet EU RoHS requirements
dimensions and construction
Ceramic
Insulation
Core
Coating
Electrode
Trimming
Cap
Marking
Line
Lead
Wire
EU
ød
thermal
protection
Thermal Film
L
Type
LP 1/16
LP 1/8
L
.138
+.008
−.016
(3.5
+0.2
)
−0.4
.25±.031
(6.35±0.8)
Dimensions
inches
(mm)
D
d (Nom.)
.067±.008 .020±.002
(1.7±0.2)
(0.5±0.05)
.090±.008 .026±.002
(2.3±0.2)
(0.65±0.05)
l
1.18±.118
(30±3)
1.50±.118
(38±3)
D
ordering information
LP
Product
Code
1/8
Power
Rating
1/16: 0.063W
1/8: 0.125W
C
Termination
Surface
Material
C: SnCu
T26
Taping
Nil: Bulk
T26: 26mm Taping
T52: 52mm Taping
A
Packaging
Nil: Bulk
A: AMMO
103
Nominal
Resistance
3 digits
J
Resistance
Tolerance
F: ±1%
G: ±2%
J : ±5%
362
Symbol of
T.C.R.
3 digits
151: 150
362: 3600
applications and ratings
Type
LP1/16C
LP1/8C
Power
Rating
0.063W
0.125W
Thermal Time
Constant
8s
14s
Thermal Dissipation
Constant*
2.5mW/°C
4.5mW/°C
Rated Ambient
Temperature
+70°C
Operating Temperature
Range
−55°C–150°C
* Thermal time constant and dissipation constant are reference values, which are values of elements and vary with connecting or fixing methods.
(Ω) Resistance Range
(E24 & 2.5, 5.0×10
n
)
T.C.R. (×10
−6
/K)
150, 250, 350
450
550, 650, 750, 850
950, 1000, 1200
1400, 1600, 1800
2000, 2200, 2400
2500
3000
3300
3600
4000, 4500, 5000
T.C.R. Tolerance
F:±1%
±50×10
−6
/K
−
±10%
100–30k
±5%
100–10k
LP1/16
G:±2%
150–10k
J:±5%
150–10k
F:±1%
LP1/8
G:±2%
150–51k0
J:±5%
150–51k0
150–30k
150–30k
−
150–100k
150–100k
10–30k
10–10k
1–30k
100–100k
1–10k
100–51k
100–20k
10–100k
10–51k
10–20k
1–100k
1–51k
1–20k
T.C.R. Measuring Temperature: +25°C/+65°C. T.C.R. is guaranteed by random inspections.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/16/11
190
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
−55
70
Ambient Temperature (°C)
150
LP
thin film resistance thermal sensor
environmental applications
Derating Curve
100
% Rated Power
80
60
40
20
0
−40 −20
−60
−55
0
20
40
60 80 100 120 140 160
70
150
Examples of Temp. Characteristics of Resistance
Resistance Changing Rate (%)
80
60
40
20
0
−20
−40
−75 −55 −35 −15 5 25 45 65 85 105 125 145 165
Ambient Temperature (C°)
5000
T.C.R.
4500
(×10
−6
/K)
4000
3600
3300
3000
2500
Ambient Temperature (°C)
Approximate Expression for Resistance- Temperature Characteristics
Values are not guaranteed but typical.
R
T
=R
25
(C
0
+C
1
T+C
2
T
2
) R
T
: T°C
R
25
: 25°C
T: (°C)
C
0
, C
1
, C
2
:
Resistance Changing Rate (%)
80
60
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
(×10
−6
/K)
3000
3300
3600
4000
4500
5000
T.C.R.
C
0
0.931258
0.924355
0.916356
0.907039
0.897412
0.886014
C
1
0.00265213
0.00292569
0.00323714
0.00361006
0.00395222
0.00437224
C
2
3.90112×10
−6
4.00516×10
−6
4.34428×10
−6
4.33457×10
−6
6.05201×10
−6
7.48809×10
−6
40
Performance Characteristics
20
Test Items
0
5000
T.C.R.
4500
(×10
−6
/K)
4000
3600
3300
3000
2500
Performance Requirements
∆R±
(%+0.05Ω)
Limit
Within specified tolerance
Typical
––
Test Methods
25°C
Resistance
−20
T.C.R.
Within specified T.C.R.
––
−40
−75 −55
time)
25
Overload (Short
−35 −15 5
0.5%
45 65 85 105 125 145 165
0.2%
Ambient Temperature (C°)
Resistance to
0.5%
0.2%
Soldering Heat
Rapid Change
of Temperature
Moisture Resistance
Endurance at 70°C
0.5%
2%
2%
0.2%
0.3%
0.5%
+25°C/+65°C
Rated voltage × 2.5 for 5 seconds
350°C±10°C, 1 second
−55°C (30min.) /+25°C (10min.)/
+150°C (30min.)/+25°C (10min.) 5 cycles
40°C±2°C, 90%–95%RH,1000h
1.5h ON/0.5h OFF cycle
70°C±3°C, 1000h
1.5h ON/0.5h OFF cycle
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/16/11
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
191
thermal
protection
Test/Measurement
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