
Welwyn Components
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
CHC Series Issue June 2006
Platinum Temperature Sensor
High stability Platinum based sensor
High resolution, accuracy and interchangeability
Compatible with automatic placement equipment
Wide temperature range - very fast response time
Surface mount package available with SnPb and Pb-free terminations
Electrical Data
Performance Data
The temperature
sensor is a conventional
thin film platinum RTD
in a surface mount
package designed for
temperature sensing,
over-temperature
protection and tempera-
ture compensation in
any application where
printed circuit board
temperature sensing is
desired.
Self Heating
P0603
P0805
P1206
0.14°C/mW
0.13°C/mW
0.13°C/mW
Available Resistances
100
100
100
,
1.0K
Resistance Tolerances
±0.5%, ±1%, ±2%, ±5%
Operating Temperature
Range
-55°C to +150°C
Temperature Coefficient
+3850 ppm/°C
Insulation Resistance
10M
minimum at 25°C
Recommended Measuring
Current
≤
1mA
Long Term Stability (10,000
hours at 125°C)
<0.05%
Termination
60/40 SnPb or 100% Sn
Settling Response Time
P0603
P0805
P1206
Rapidly Stirred Oil
0.1s
(t
0.5
)
1.1s
(t
0.5
)
0.4s
(t
0.9
)
3.7s
(t
0.9
)
0.1s
(t
0.5
)
1.2s
(t
0.5
)
0.4s
(t
0.9
)
4.2s
(t
0.9
)
0.2s
(t
0.5
)
1.8s
(t
0.5
)
0.6s
(t
0.9
)
6s
(t
0.9
)
Air @ 1m/s
* Temperature coefficient in accordance with IEC751
RTD Series