Series 1 BetaCurve Bare leaded Thermistors
Introduction
Features
The BetaCURVE Thermistor Series I are small epoxy coated devices with solid tin plated lead
wires. The series offers a choice of precision temperature tolerance classifications for a wide
Fast time response (1 second typical in
liquids).
variety of customer applications, such as temperature measurements, temperature indication,
o
DC (Dissipation Constant) = 0.75 mW/
temperature control, and thermal compensation.
The BetaCURVE Series history of "long term" stability and reliability performance have been
C typical in still air at 25ºC.
demonstrated in critical medical, scientific instrumentation, military/aerospace and industrial
Available in custom probe assemblies.
applications.
Tight tolerance available − +/− 0.1 C
o
Thermistor interchangeability has become an important factor for cost efficiency in advanced
thermal performance applications. The need for expensive individual thermistor calibration is not
o
o
from C to 70 C.
Proven Stability and Reliability.
necessary. The BetaCURVE Series interchangeability means that each device will match the
published Resistance−Temperature Characteristics for a given thermistor and will be within the
Min./Max Temperature Exposure =
specified deviation (tolerance, ie. ±0.1°C, ±0.2°C, ±0.5°C and ±1.0°C) limits over the
−80ºC to +150ºC.
temperature range 0°C to 70°C.
Alloy lead wires for reduced thermal
conductivity ("stem effect").
Shape and Dimensions
Applications
Temperature sensing, control and
compensation.
Medical equipment and patient
monitoring.
Aerospace instrumentation and crystal
oscillator compensation.
Liquid or gas temperature control and
monitoring.
Assembly into probes for a wide variety
of applications.
Part Numbering System
Electrical Specifications
Part
Number
Color Code
Resistance @
Resistance
25°C (Ohms)
Tol. @ 25°C
Temperature Tolerance and Range
Alpha
0/50 °C
@ 25°C
Beta Value
Curve #
Number
25°C (Ohms)
Tol. @ 25°C
@ 25°C
Beta Value
2.2K3A1A
Brown
2252
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.39 %/°C
3892
3
2.2K3A1B
Brown
2252
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.39 %/°C
3892
3
2.2K3A1C
Brown
2252
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.39 %/°C
3892
3
2.2K3A1D
Brown
2252
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.39 %/°C
3892
3
3K3A1A
Red
3000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.39 %/°C
3892
3
3K3A1B
Red
3000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.39 %/°C
3892
3
3K3A1C
Red
3000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.39 %/°C
3892
3
3K3A1D
Red
3000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.39 %/°C
3892
3
5K3A1A
Orange
5000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.39 %/°C
3892
3
5K3A1B
Orange
5000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.39 %/°C
3892
3
5K3A1C
Orange
5000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.39 %/°C
3892
3
5K3A1D
Orange
5000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.39 %/°C
3892
3
10K3A1A
Yellow
10000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.39 %/°C
3892
3
10K3A1B
Yellow
10000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.39 %/°C
3892
3
10K3A1C
Yellow
10000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.39 %/°C
3892
3
10K3A1D
Yellow
10000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.39 %/°C
3892
3
10K4A1A
Black
10000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.04 %/°C
3575
4
10K4A1B
Black
10000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.04 %/°C
3575
4
10K4A1C
Black
10000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.04 %/°C
3575
4
10K4A1D
Black
10000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.04 %/°C
3575
4
30K5A1A
White
30000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.30 %/°C
3811
5
30K5A1B
White
30000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.30 %/°C
3811
5
30K5A1C
White
30000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.30 %/°C
3811
5
30K5A1D
White
30000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.30 %/°C
3811
5
30K6A1A
Green
30000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.68 %/°C
4143
6
30K6A1B
Green
30000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.68 %/°C
4143
6
30K6A1C
Green
30000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.68 %/°C
4143
6
30K6A1D
Green
30000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.68 %/°C
4143
6
50K6A1A
Blue
50000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.68 %/°C
4143
6
50K6A1B
Blue
50000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.68 %/°C
4143
6
50K6A1C
Blue
50000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.68 %/°C
4143
6
50K6A1D
Blue
50000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.68 %/°C
4143
6
100K6A1A
Violet
100000
± 0.25%
± 0.1 °C (0 to 70 °C)
−4.68 %/°C
4143
6
100K6A1B
Violet
100000
± 0.50%
± 0.2 °C (0 to 70 °C)
−4.68 %/°C
4143
6
100K6A1C
Violet
100000
± 1.00%
± 0.5 °C (0 to 70 °C)
−4.68 %/°C
4143
6
100K6A1D
Violet
100000
± 2.00%
± 1.0 °C (0 to 70 °C)
−4.68 %/°C
4143
6
For details on the minimum order quantity (MOQ) of this product, please contact BetaTHERM or your local BetaTHERM representative.
Sales: [email protected]
Sales: sales@betatherm−usa.com
Tel: +353 91 753238/753612
Tel: 508 842 0516
Fax: +353 91 770789/753615
Fax: 508 842 0748