Series I Thermistors
Series I Thermistors www.meas-spec.com 27 November 2008
2.2 to 100K Ohms Resistance @25ºC
Thermally Conductive Epoxy Coating
Choice of 4 Temperature Tolerance
Classifications
Low Cost
Dimensions
Dimensions
A B
76 ± 2mm 2.4mm Max
Note 1 32 AWG Solid Alloy 180 Leads
Note 2 Stycast 2850ft Epoxy
APPLICATIONS
• Tight tolerance instrumentation
• Temperature sensing, control and
compensation
• Assembly into probes for a wide variety
of applications
• General instrumentation applications
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
SERIES I THERMISTORS
The BetaCURVE chip is soldered to 32
AWG Alloy 180 leads and encapsulated in
Stycast epoxy resin
Series I Thermistors
Part
Number
Color
Coding
Resistance
[Ω] @
+25ºC
Tolerance
from
0 to
+70ºC
Alpha Value
@ +25ºC
Beta
Value
25/85
Beta
Tolerance
Dissipation
Constant in still
air @ +25ºC
Time
response
(Stirred Oil)
2.2K3A1A ±0.1ºC
2.2K3A1B ±0.2ºC
2.2K3A1C ±0.5ºC
2.2K3A1D
Brown 2,252
±1.0ºC
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
3K3A1A ±0.1ºC
3K3A1B ±0.2ºC
3K3A1C ±0.5ºC
3K3A1D
Red 3,000
±1.0ºC
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
5K3A1A ±0.1ºC
5K3A1B ±0.2ºC
5K3A1C ±0.5ºC
5K3A1D
Orange 5,000
±1.0ºC
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
10K3A1A ±0.1ºC
10K3A1B ±0.2ºC
10K3A1C ±0.5ºC
10K3A1D
Yellow 10,000
±1.0ºC
-4.39 %/ ºC 3976 ±0.5% 0.75 mW/°C <1 second
10K4A1A ±0.1ºC
10K4A1B ±0.2ºC
10K4A1C ±0.5ºC
10K4A1D
Black 10,000
±1.0ºC
-4.04 %/ ºC 3694 ±0.5% 0.75 mW/°C <1 second
30K5A1A ±0.1ºC
30K5A1B ±0.2ºC
30K5A1C ±0.5ºC
30K5A1D
White 30,000
±1.0ºC
-4.30 %/ ºC 3942 ±0.5% 0.75 mW/°C <1 second
30K6A1A ±0.1ºC
30K6A1B ±0.2ºC
30K6A1C ±0.5ºC
30K6A1D
Green 30,000
±1.0ºC
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
50K6A1A ±0.1ºC
50K6A1B ±0.2ºC
50K6A1C ±0.5ºC
50K6A1D
Blue 50,000
±1.0ºC
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
100K6A1A ±0.1ºC
100K6A1B ±0.2ºC
100K6A1C ±0.5ºC
100K6A1D
Violet 100,000
±1.0ºC
-4.68 %/ ºC 4261 ±0.5% 0.75 mW/°C <1 second
Product Definition
Series I Thermistors www.meas-spec.com 27 November 2008
Series I Thermistors
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuraci es. Furthe r mo r 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, Inc.
910 Turnpike Road
Shrewsbury, MA 01545
Tel: 1-508-842-0516
Fax: 1-508-842-034 2
Sales email:
temperature.sales.amer@meas-spec.com
Measurement Specialties, Inc
Ballybrit Business Park
Galway Ireland
Tel: +353-91-75323 8
Fax: +353-91-770 789
Sales email:
temperature.sales.emea@meas-spec.com
Measurement Specialties (Ch ina) Ltd.
No. 26 Langshan Road
Shenzhen High-T ech Park (North)
Nanshan District, Shenzhen 5 1807
China
Tel: +86 (0) 755 33305088
Fax: +86 (0) 755 33305099
Sales email:
temperature.sales.asia@meas-spec.com
Series I Thermistors www.meas-spec.com 27 November 2008
