BetaTHERM Sensors
BetaCHIP Thermistor Series VII
BetaCHIP Thermistor Series VII
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Applications
¥ Ambient temperature sensing, control and
compensation.
¥ Aerospace instrumentation and crystal oscillator
compensation.
¥ Liquid or gas temperature control and monitoring.
¥ Assembly into probes for a wide variety of
applications.
Features
¥ Rapid Time Response (1 second typical in liquids).
¥ DC (Dissipation Constant) = 0.75mW/oC
typical in still air at 25oC.
¥ Min./Max. Temperature Exposure = -80oC to 150oC.
¥ Available in custom probe assemblies.
¥ Proven Stability and Reliability.
¥ Alloy Lead Wires for reduced thermal conductivity
("stem effect").
The BetaCHIP +/-1% @ 25oC Thermistor Series
are small epoxy coated devices with solid tin plated lead
wires. The series offers an economical alternative to the
precision BetaCURVE Series for a wide variety of customer
applications such as temperature control and thermal
compensation where less precision will perform in the
application.
The series is useful in applications where the
temperature range is near room temperature (25oC).
Predicted deviations across the complete temperature range
are given in BetaTHERM Resistance Multipliers-
Temperature and Deviation Tolerance Tables on pages 48
and 49.
Thermistor Configuration
32 AWG Tin Plated
Copper Alloy
Lead Wires
Thermally Conductive
Epoxy Coating
2.413mm
(0.095Ó)
Max. Dia.
76.2mm +/-3.3mm
(3.00Ó +/-0.13Ó)
Example: BetaCHIP Series VII Part Number
10K
3 A 1-25
Tolerance Code (1% @ 25oC)
Epoxy Coated
Material Curve #
Resistance Value @ 25oC
BetaCHIP Series VII Part Numbers and Specifications:
Part Number
0.1K1A1-25
0.3K1A1-25
1K2A1-25
1K7A1-25
2K3A1-25
2.2K3A1-25
3K3A1-25
5K3A1-25
10K3A1-25
10K4A1-25
30K5A1-25
30K6A1-25
50K6A1-25
100K6A1-25
1M9A1-25
Resistance
@ +25oC
100
300
1000
1000
2000
2252
3000
5000
10000
10000
30000
30000
50000
100000
1000000
Alpha @
+25 oC
-3.50%
-3.50%
-3.68%
-3.87%
-4.39%
-4.39%
-4.39%
-4.39%
-4.39%
-4.04%
-4.30%
-4.68%
-4.68%
-4.68%
-5.18%
0/50 oC
Beta Value
3108
3108
3263
3422
3892
3892
3892
3892
3892
3575
3811
4143
4143
4143
4582
Curve #
1
1
2
7
3
3
3
3
3
4
5
6
6
6
9
Ireland 353-91-753238
U.S.A. 508-842-0516
BetaTHERM
60
Web: http://www.betatherm.com
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