Page 1
Series I Thermistors
2.2 to 100K Ohms Resistance @25ºC
Thermally Conductive Epoxy Coating
Choice of 4 Temperature Tolerance
Classifications
Low Cost
SERIES I THERMISTORS
The BetaCURVE chip is soldered to 32
AWG Alloy 180 leads and encapsulated in
Stycast epoxy resin
Dimensions
FEATURES
• 2.2 to 100K Ohms Resistance @25ºC
• Proven Stability and Reliability
• Alloy lead wires for reduced thermal
conductivity
• Interchangeability
• Thermally conductive epoxy coating
• Temperature range -40ºC to +125ºC
• RoHS Compliant
APPLICATIONS
• Tight tolerance instrumentation
• Temperature sensing, control and
compensation
• Assembly into probes for a wide variety
of applications
• General instrumentation applications
Note 1
Note 2
76 ± 2mm 2.4mm Max
32 AWG Solid Alloy 180 Leads
Dimensions
A B
Stycast 2850ft Epoxy
Series I Thermistors www.meas-spec.com 27 November 2008
Page 2
Series I Thermistors
Tolerance
Resistance
Part
Number
2.2K3A1A
2.2K3A1B ±0.2ºC
2.2K3A1C ±0.5ºC
2.2K3A1D
3K3A1A
3K3A1B
3K3A1C
3K3A1D
5K3A1A
5K3A1B
5K3A1C
5K3A1D
10K3A1A
10K3A1B
10K3A1C
10K3A1D
10K4A1A
10K4A1B
10K4A1C
10K4A1D
30K5A1A
30K5A1B
30K5A1C
30K5A1D
30K6A1A
30K6A1B
30K6A1C
30K6A1D
50K6A1A
50K6A1B
50K6A1C
50K6A1D
100K6A1A
100K6A1B
100K6A1C
100K6A1D
Color
Coding
Brown 2,252
Red 3,000
Orange 5,000
Yellow 10,000
Black 10,000
White 30,000
Green 30,000
Blue 50,000
Violet 100,000
[Ω] @
+25ºC
from
0 to
+70ºC
±0.1ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
±0.1ºC
±0.2ºC
±0.5ºC
±1.0ºC
Product Definition
Alpha Value
@ +25ºC
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
-4.04 %/ ºC 3694 ±0.5% 0.75 mW/°C <1 second
-4.30 %/ ºC 3942 ±0.5% 0.75 mW/°C <1 second
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
Beta
Value
25/85
Beta
Tolerance
Dissipation
Constant in still
air @ +25ºC
Time
response
(Stirred Oil)
Series I Thermistors www.meas-spec.com 27 November 2008
Page 3
Series I Thermistors
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Furthermor e, this
information does not convey to the purchaser of such devices any license under the patent rights to the manufacturer. Measurement Specialties, Inc. reserves the right
to make changes without further notice to any product herein. Measurement Specialties, Inc. makes no warranty, representation or guarantee regarding the suitability of
its product for any particular purpose, nor does Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different applications.
All operating parameters must be validated for each customer application by customer’s technical experts. Measurement Specialties, Inc. does not convey any license
under its patent rights nor the rights of others.
Ordering Information
NORTH AMERICA EUROPE ASIA
Measurement Specialties (China) Ltd.
Measurement Specialties, Inc.
910 Turnpike Road
Shrewsbury, MA 01545
Tel: 1-508-842-0516
Fax: 1-508-842-0342
Sales email:
temperature.sales.amer@meas-spec.com
Series I Thermistors www.meas-spec.com 27 November 2008
Measurement Specialties, Inc
Ballybrit Business Park
Galway Ireland
Tel: +353-91-753238
Fax: +353-91-770789
Sales email:
temperature.sales.emea@meas-spec.com
Sales email:
No. 26 Langshan Road
Shenzhen High-Tech Park (North)
Nanshan District, Shenzhen 51807
China
Tel: +86 (0) 755 33305088
Fax: +86 (0) 755 33305099
temperature.sales.asia@meas-spec.com
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