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Features |
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All ST-series thermal sensors are custom-made
products.ST-series thermal sensors are designed in various
shapes in accordance with your application using a platinum
thin-film thermal sensor(SDT101•SDT310series) as an
element.Shapes of sensor parts can be designed flexibly to
meet your shapes and dimensional needs,from simple resin mold
parts to sensor parts sealed in metal protective tubes made
of SUS316.
Products with Pb Free symbol "F" meet EU-RoHS requirements . |
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Applications |
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Industrial Equipment : Environment testing
machines, Constant-temperature ovens, pH meters, temperature
controllers, mass flow meters ,etc . |
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Service Applications : Vending machines, fryers, steam
convection ovens, etc. |
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Automotive : Instake air temperature detection, water
temperature detection, oil temperature detection, etc. |
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ST3000 series
| ST |
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31050201 |
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F |
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A |
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X |
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1K |
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B |
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D |
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| Product Code |
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Product No. |
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Pb Free
Symbol |
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Element Type |
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Reference Temperature |
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Nominal Resistance |
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Resistance Tolerance |
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T.C.R.
Tolerance |
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A : SDT101 |
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X : 0 |
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100 : 100
500 : 500
1K : 1k
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B
:  0.1%
C : 0.2%
D : 0.5%
F : 1% |
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D
: 0.5%
F : 1%
G : 2% |
ST8100 series
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ST |
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8101201 |
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F |
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B |
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X |
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1K |
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B |
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Product Code |
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Product No. |
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Pb Free
Symbol |
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Element Type |
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Reference
Temperature |
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Nominal
Resistance |
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Class |
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B : SDT310LTC
C : SDT310P |
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X : 0 |
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100 : 100
500 : 500
1K : 1k |
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B : (0.3+0.005
|t|)
C : (1.0+0.01 |t|)
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ST3000 series products with a reference temperature
of 25 (T.C.R. will be calculated between 0 /100 )
are also available.Contact us.
Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS. |
| (1) Elements used for Thermal Sensors ST3000
and ST 8100 Series,and Manufacturing Ranges. |
Series |
Element |
Resistance Value at 0 |
Class : Tolerance to Measuring Temp.
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Resistance Tolerance |
T.C.R.
(×10-6/K) |
T.C.R. Tolerance
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ST3000
series |
SDT101A
SDT101B |
100
500
1k |
— |
B : 0.1%
C : 0.2%
D0.5%
F : 1% |
3500 |
D : 0.5%
F : 1 %
G : 2 % |
ST8100
series |
SDT310LTC
SDT310P |
100
500
1k |
B : (0.3+0.005|t|)
C : (1.0+0.01|t|) |
— |
3850 |
— |
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ST3000 Series, 1k, resistance tolerance B •C
are produced in pair of SDT101Series.
The combination of ST3000 series, resistance tolerance B-T.C.R.and
tolerance D is equivalent to class B of SDT310 tolerance to the
measuring temperature. |
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(2) Shapes and particulars of ST3000 and ST8100 series.
ST3000 and ST8100 series are partially presented on the next page. Refer
to our nearest sales office for the specifications, on the separate catalogs. |
| (3) Example of Processing Protective Tubes |
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(4) Example of Processing External Conductors |
| Material |
| PPS |
| Epoxy
Resin Coating |
| Fluorine
Resin Shrinkage Tube |
| Polyimide |
| SUS304 |
| SUS316 |
| Cu |
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| Processing
of Fitting Terminals |
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| Material |
| Polyurethane
Coated Wire |
| Parallel
Heat-Resistant Vinyl Chroride Wire |
| Fluorine
Resin Coated Wire |
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Form
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| 2-Wire
System |
| 3-Wire
• 4-Wire System |
| Shielded
Wire |
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| (5) Example of Processing of Terminals |
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(6) Others |
| Processing
of Connecting Terminals |
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| Mounting
on Printed Circuit Board |
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Product No.
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L (mm)
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 (m) |
Measurement Temperature Range
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31011
Lead wire
without solder plating |
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— |
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31012
Lead wire
with solder plating |
— |
— |
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31021
Lead wire
without solder plating |
— |
— |
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31022
Lead wire
with solder plating |
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— |
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31050201 |
23max. |
0.1 |
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31050205 |
0.5 |
31050210 |
1.0 |
31050230 |
3.0 |
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31060301 |
30 |
0.1 |
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31060305 |
0.5 |
31060310 |
1.0 |
31060330 |
3.0 |
31060501 |
50 |
0.1 |
31060505 |
0.5 |
31060510 |
1.0 |
31060530 |
3.0 |
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3201 |
— |
— |
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3202 |
— |
— |
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32050001 |
— |
0.1 |
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32050005 |
0.5 |
32050010 |
1.0 |
32050030 |
3.0 |
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32090201 |
24 |
0.1 |
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32090205 |
0.5 |
32090210 |
1.0 |
32090230 |
3.0 |
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33010004 |
8 |
0.4 |
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33110305 |
30 |
0.5
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-40  +220 |
33110310 |
1.0
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33110330 |
3.0
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Lead Wire Number
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(m) |
Product No.
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2 |
0.1 |
8101201 |
0.5 |
8101205 |
1 |
8101210 |
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2 |
0.1 |
8102201 |
0.5 |
8102205 |
1 |
8102210 |
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3 |
0.1 |
8103301 |
0.5 |
8103305 |
1 |
8103310 |
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3 |
0.1 |
8104301 |
0.5 |
8104305 |
1 |
8104310 |
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2 |
0.1 |
8105201 |
0.5 |
8105205 |
1 |
8105210 |
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Instructions in Selection |
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Sensor resistance values described are
specified by resistance values of the elements (SDT101,SDT310)used
in the sensors. The resistance of the external conductor is added
to the resistance value of element, impacting errors in temperature
measurement. For this reason, the shorter the conductor is,the smaller,
the errors will be. For example, when a ST using element of SDT101
a 100, a 2.9 detection error will result, assuming that
the resistance of the external conductor is 1. Select 3-wire
or 4-wire system so that a measurement error by the resistance
of an outer lead wire can be eliminated. |
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Sensor elements have a sufficient heat
resistance characteristic. Nevertheless, the operating temperature
range will differ depending on the materials used in
the external conductor and filler. Select an appropriate standard
sensor in accordance with the operating temperature range and operating
environment. |
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Quality of ST is guaranteed by the element. |
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Application Notes
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Basic Knowledge
