
Radial Glass NTC Thermistors – Series A
2 to 500K Ohms Resistance @25ºC
Hermetically Sealed Package
High Temperature Stability
Available in ±1%, ±2%, ±3% or ±5%
Tolerance @25ºC
Rated up to +250 ºC
Low Cost
RADIAL GLASS THERMISTORS
The NTC Chip is hermetically sealed in
a glass encapsulation package
FEATURES
• 2 to 500K Ohms Resistance @25ºC
• Proven Stability
• Glass Encapsulation
• Low cost
• Temperature range -40ºC to +250ºC
• RoHS Compliant
APPLICATIONS
• Air conditioning systems
• Refrigeration control
• Assembly into probes for a wide variety
of applications
• In environments where thermal shock
and humidity are present
• Hot water boiler systems
• Sensor for engine temperature control
Dimensions
Dimensions
A B C
Series A Thermistor 0.3mm 4mm Max 2.5mm Max
Radial Glass Series A Thermistors www.meas-spec.com 27 November 2008

Radial Glass NTC Thermistors – Series A
Reliability Tests Standard Test Condition Delta R
Storage in Dry Heat IEC 60068-2-2
Storage in Damp Heat IEC 60068-2-3
Rapid Temperature Cycling IEC 60068-2-14
Part Number
G2K3348A1 2,000 ± 1% 3348 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G2K3499A1 2,000 ± 1% 3499 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G5K3976A1 5,000 ± 1% 3976 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G10K3435A1 10,000 ± 1% 3435 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G10K3694A1 10,000 ± 1% 3694 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G10K3976A1 10,000 ± 1% 3976 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G30K3942A1 30,000 ± 1% 3942 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G50K3976A1 50,000 ± 1% 3976 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G100K4000A1 100,000 ± 1% 4000 ± 2% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G200K4261A1 200,000 ± 1% 4261 ± 3% 1.3 mW/ºC 12 Seconds 1.1 Seconds
G500K4261A1 500,000 ± 1% 4261 ± 3% 1.3 mW/ºC 12 Seconds 1.1 Seconds
Resistance
[Ω] @ +25ºC
Tolerance
@ +25ºC
Storage temperature: +250°C
Duration: 1000 hours
Temperature of air is 50°C & RH 93%
Duration: 56 days.
Lower Test Temperature -55°C
Upper Test Temperature +200°C
Number of Cycles: 1000
Product Definition
Stabilit
Beta Value
25/85
Beta
Tolerance
Dissipation
Constant in still
air @ +25ºC
Time
response
(Still Air)
< 3%
< 2%
< 2%
Time
response
(Stirred Oil)
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Furthermore, 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: 1-508-842-0342
Sales email:
temperature.sales.amer@meas-spec.com
Radial Glass Series A 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
Measurement Specialties (China) Ltd.
No. 26 Langshan Road
Shenzhen High-Tech Park (North)
Nanshan District, Shenzhen 51807
China
Tel: +86 (0) 755 33305088
Fax: +86 (0) 755 33305099
Sales email:
temperature.sales.asia@meas-spec.com