E-I Matched Bead Thermistor, 115 Series
Table 1. Specifications
Characteristic
115-202CDK-801
115-802EDJ-801*, 115-802EDJ-802
Two 111-802EAJ-H01 each mounted on a
glass hermetic sealed header and matched
Two 111-202CAK-H01 each mounted on a
Description
glass hermetic sealed header and matched in helium* or air to within millivolts of each
in air to within 10 mV of each other
other at 2 mA, 5 mA, 10 mA, and 15 mA
Matched to 2 % resis. at 25 °C [77 °F]
Resistance at 25 °C [77 °F]
2000 Ohms 25 %
5000 Ohms
8000 Ohms 20 %
22800 Ohms
Resistance at 0 °C [32 °F] approx.
Resistance at 50 °C [122 °F] approx.
910 Ohms
3240 Ohms
Ratio of resistance
0 °C/50 °C
4.95 to 6.95
3000K
6.34 to 7.74
BETA 0 °C/50 °C (nominal)
3442K
Temperature coefficient @ 25 °C [77 °F] -3.4%/°C
-3.9%/°C
0.5 second
0.16 mW/°C
0.5 mW/°C
45 mW
T/C still air max.**
D.C. still air**
0.5 second
0.16 mW/°C
0.5 mW/°C
15 mW
D.C. helium**
Power ratio (air)
Power ratio (helium)
Max. ambient temp
60 mW
140 mW
100 °C [212 °F]
250 °C [482 °F]
Max. operating temp.
(including self-heat)
150 °C [302 °F]
300 °C [572 °F]
Resistance at max. operating temp.
Pair matched Ro at 25 °C [77 °F]
85 Ohm
5 %1
25 Ohm
2 %1
* helium at 25 °C [77 °F] to
20 mV at 2 mA1
15 mV at 5 mA1
still air at 25 °C [77 °F] to
10 mV at 5 mA1
10 mV at 15 mA1
EI pair matching
10 mV at 10 mA1
still air at 25 °C [77 °F] to
20 mV at 2 mA1
10 mV at 15 mA1
15 mV at 5 mA1
10 mV at 10 mA1
¹ Standard matched tolerance. Other tolerances available, please contact Honeywell for details.
² Non-matched options on header also available, please contact Honeywell for details.
**D.C.– Power in milliwatts required to raise thermistor temperature 1 °C
**T/C – Time required for thermistor to indicate 63 % of a new impressed temperature.
E-I, 115 SERIES DIMENSIONS
mm [in] for reference only
Figure 1. E-I 115 Series Dimensions
12,7
[0.50]
33,32 [1.312]
Glass insulation
2,36 [0.093]
4,72
[0.186]
Ø 9,58
[Ø 0.377]
8,33 [0.328]
Leads (2)
Ø 0,762 [Ø 0.03]
nickel-iron alloy
Ring, steel
Thermistor
2
sensing.honeywell.com
HONEYWELL [ Honeywell ]
