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! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
? This catalog has only typical speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
Temperature Sensor Lead Type Speci?cations and Test Methods
R90E.pdf
Mar.4,2014
No.
1
Item
Resistance Value
Rating Value
Satisfies specification
Method of Examination
Resistance value is measured by applying voltage under 1.5Vdc
(by a direct current of less than 10mA) in a silicone oil vessel.
We apply AC voltage 120% that of the maximum voltage to
POSISTOR r by raising voltage gradually for 180±5 seconds at
2
Withstanding Voltage
No problem
25°C. (A protective resistor is to be connected in series, and the
inrush current through POSISTOR r must be limited below max.
rated value.)
3
Tensile Strength of
Lead Wire Terminal
No damage
The load is gradually applied to each terminal of POSISTOR r
until 9.80N in the axial-direction with fixing POSISTOR r 's body
itself and this load is kept for 10 seconds.
POSISTOR r is held so that it is perpendicular to the lead wire
with the following load hanging in the axial direction of the lead
wire. The lead wire is slowly bent to 90° and returned; then it is
4
Bending Strength of
Lead Wire Terminal
Lead wire does not come off.
slowly bent in the opposite direction and returned to original state.
(Above mentioned procedure is done slowly with one cycle.)
Series
Force
PTFL
2.45N
PTFM
4.90N
The lead wire of POSISTOR r is soaked in a Isopropyl Alcohol
Solder is applied around the lead wire covering
(JIS K 8839) or ethanol (JIS K 8101) solution (about 25wt%) of
5
Solderability
3/4 or more of the circumference without gap in
the axial-direction.
colophony (JIS K 5902) for 5-10 sec. And, each lead wire is
soaked in molten solder (JIS Z 3282 H60A) at 235±5°C from the
bottom to a point of 2.0-2.5mm for 2±0.5 seconds.
The lead wire of POSISTOR r is soaked in molten solder (JIS Z
6
Terminal Durability of
Soldering
Δ R/R25 VT 15%
3282 H60A) at 350±10°C from the bottom to a point of 2.0-2.5
mm for 3.5±0.5 seconds. And, after the device is left at room
temperature (25°C) for 24±4 hours, the resistance is measured.
POSISTOR r is set in an environmental chamber at 40±2°C
7
Damp Heat
Δ R/R25 VT 20%
and 90-95% humidity for 500±4 hours.
And after the device is left at room temperature (25°C) for one
hour, the resistance measurement is performed.
Δ R/R25 VT 20%
PTH
POSISTOR r is set in an environmental chamber at 85±3°C with
maximum voltage applied for 1.5 hours and then is left without
voltage applied for 0.5 hours.
This cycle is repeated for 1000±10 hours, and after the device is
8
High Temperature Load
Rs
left at room temperature (25°C) for one hour, the resistance
measurement is performed.
(A protective resistor is to be connected in series and the inrush
14
86
S.W
Test circuit
current through POSISTOR r must be limited below max. rated
value.)
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