kty81-2 NXP Semiconductors, kty81-2 Datasheet - Page 3

• Manufacturer Part Number: kty81-2
• Description: Kty81-2 Series Silicon Temperature Sensors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
CHARACTERISTICS
T
Notes
1. The thermal time constant is the time taken for the sensor to reach 63.2% of the total temperature difference.
2. Inert liquid, e.g. FC43 manufactured by the 3M company.
2000 Aug 25
I
T
R
TC
R
R
SYMBOL
SYMBOL
cont
amb
amb
25
100
Silicon temperature sensors
55
For example, if a sensor with a temperature of 25 C is moved to an environment with an ambient temperature of
100 C, the time for the sensor to reach a temperature of 72.4 C is the thermal time constant.
= 25 C, in liquid, unless otherwise specified.
/R
/R
25
25
continuous sensor current
ambient operating temperature
sensor resistance
temperature coefficient
resistance ratio
resistance ratio
thermal time constant; note 1
rated temperature range
KTY81-210
KTY81-220
KTY81-221
KTY81-222
KTY81-250
KTY81-251
KTY81-252
PARAMETER
PARAMETER
in free air; T
in free air; T
I
T
T
in still air
in still liquid; note 2
in flowing liquid; note 2
cont
amb
amb
= 1 mA
CONDITIONS
= 100 C and 25 C 1.676
= 55 C and 25 C 0.480
3
CONDITIONS
amb
amb
= 25 C
= 150 C
1980
1960
1960
2000
1900
1900
2000
55
MIN.
0.79
1.696
0.490
30
5
3
55
MIN.
TYP.
KTY81-2 series
Product specification
10
2
+150
2020
2040
2000
2040
2100
2000
2100
1.716
0.500
+150
MAX.
MAX.
mA
mA
%/K
s
s
s
C
C
UNIT
UNIT