2.2K3A1B

Thermistor, NTC, 2.252 kohm, BetaCurve-1 Series, 3892 K, Through Hole, Radial Leaded

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Manufacturer: BETATHERM
Product type:
Zero Power Resistance at 25°C:2.252kohm; Product Range:BetaCurve-1 Series; Thermistor Mounting:Through Hole; Beta Value (K):3892K; Thermistor Case Style:-; Thermistor Terminals:Radial Leaded; Operating T
SVHC: No SVHC (17-Jan-2023)
B-Constant: 3892K
Lead Length: 76mm
NTC Mounting: Through Hole
NTC Case Size: -
Product Range: BetaCurve-1 Series
Qualification: -
Probe Diameter: -
Probe Material: -
Thermistor Type: NTC
Resistance (25°C): 2.252kohm
Thermistor Mounting: Through Hole
B-Constant Tolerance: ± 0.5%
Thermistor Terminals: Radial Leaded
Operating Temperature Max: 70°C
Operating Temperature Min: 0°C
Resistance Tolerance (25°C): ± 0.5%
Thermal Time Constant (in Air): -

Delivery and price
Units per pack	150
Price	7.39 €
Current stock	1000+
Lead time	30 days

Datasheet

## **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 

||**Dimensions**|**Dimensions**|
|---|---|---|
||A|B|
||76 ±2mm|2.4mm Max|
|**Note 1**|32 AWG SolidAlloy180Leads||
|**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 

Series I Thermistors 

27 November 2008 

www.meas-spec.com 

## **Series I Thermistors** 

|**Part**<br>**Number **|**Color**<br>**Coding**|**Resistance**<br>**[Ω] @**<br>**+25ºC**|**Tolerance**<br>**from**<br>**0  to**<br>**+70ºC**|**from**<br>**Alpha Value**<br>**@ +25ºC**|**Beta**<br>**Value**<br>**25/85**|**Beta**<br>**Tolerance**|**Dissipation**<br>**Constant in still**<br>**air@ +25ºC**|**Time**<br>**response**<br>**(Stirred Oil)**|
|---|---|---|---|---|---|---|---|---|
|2.2K3A1A<br>~~||~~|Brown<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~<br>|2,252<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~<br>~~—~~<br>|±0.1ºC<br>~~||~~|-4.39 %/ ºC<br>~~||~~<br>~~||~~<br>|3976<br>~~||~~<br>~~||~~<br>|±0.5%<br>~~||~~<br>~~||~~<br>|0.75 mW/°C|<1 second|
|2.2K3A1B<br>~~||~~<br>~~|~~|||±0.2ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|2.2K3A1C<br>~~|~~<br>~~||~~<br>~~P|~~|||±0.5ºC<br>~~|~~<br>~~|~~<br>~~||~~<br>~~—~~<br>||||||
|2.2K3A1D<br>~~||~~<br>~~|~~<br>~~P|~~|||±1.0ºC<br>~~||~~<br>~~|~~<br>~~—~~<br>||||||
|3K3A1A<br>~~|~~<br>~~P|~~|Red<br>~~|~~<br>~~||~~<br>~~|~~<br>|3,000<br>~~|~~<br>~~—~~<br>~~||~~<br>~~|~~<br>~~PC~~<br>|±0.1ºC<br>~~|~~<br>~~—~~<br>|-4.39 %/ ºC<br>~~||~~<br>|3976<br>~~||~~<br>|±0.5%<br>~~||~~<br>|0.75 mW/°C|<1 second|
|3K3A1B<br>~~P|||~~<br>~~|~~|||±0.2ºC<br>~~—~~<br>~~||~~<br>~~PC~~||||||
|3K3A1C<br>~~||~~<br>~~|~~<br>~~|~~|||±0.5ºC<br>~~||~~<br>~~|~~<br>~~PC~~||||||
|3K3A1D<br>~~|~~<br>~~|~~<br>~~[|~~|||±1.0ºC<br>~~|~~<br>~~PC~~<br>~~**|**~~<br>||||||
|5K3A1A<br>~~|~~<br>~~[|~~|Orange<br>~~||~~<br>~~|~~|5,000<br>~~PC~~<br>~~||~~<br>~~|~~|±0.1ºC<br>~~PC~~<br>~~**|**~~<br>|-4.39 %/ ºC<br>~~||~~|3976<br>~~||~~|±0.5%<br>~~||~~|0.75 mW/°C|<1 second|
|5K3A1B<br>~~[|||~~|||±0.2ºC<br>~~**|**~~<br>~~||~~||||||
|5K3A1C<br>~~||~~<br>~~|~~|||±0.5ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|5K3A1D<br>~~|~~<br>~~|~~|||±1.0ºC<br>~~|~~<br>~~|~~<br>~~PC~~||||||
|10K3A1A<br>~~|~~<br>~~||~~|Yellow<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|10,000<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|±0.1ºC<br>~~PC~~<br>~~||~~|-4.39 %/ ºC<br>~~||~~<br>~~||~~|3976<br>~~||~~<br>~~||~~|±0.5%<br>~~||~~<br>~~||~~|0.75 mW/°C|<1 second|
|10K3A1B<br>~~||~~<br>~~|~~|||±0.2ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|10K3A1C<br>~~|~~<br>~~||~~|||±0.5ºC<br>~~|~~<br>~~|~~<br>~~||~~||||||
|10K3A1D<br>~~||~~<br>~~|~~|||±1.0ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|10K4A1A<br>~~|~~<br>~~|~~|Black<br>~~|~~<br>~~||~~|10,000<br>~~|~~<br>~~PC~~<br>~~||~~|±0.1ºC<br>~~|~~<br>~~|~~|-4.04 %/ ºC<br>~~||~~|3694<br>~~||~~|±0.5%<br>~~||~~|0.75 mW/°C|<1 second|
|10K4A1B<br>~~|~~<br>~~|~~<br>~~|~~|||±0.2ºC<br>~~|~~<br>~~PC~~||||||
|10K4A1C<br>~~|~~<br>~~|~~|||±0.5ºC<br>~~|~~<br>~~PC~~||||||
|10K4A1D<br>~~|~~<br>~~||~~|||±1.0ºC<br>~~PC~~<br>~~||~~||||||
|30K5A1A<br>~~||~~<br>~~|~~|White<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|30,000<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|±0.1ºC<br>~~||~~<br>~~|~~<br>~~|~~|-4.30 %/ ºC<br>~~||~~<br>~~||~~|3942<br>~~||~~<br>~~||~~|±0.5%<br>~~||~~<br>~~||~~|0.75 mW/°C|<1 second|
|30K5A1B<br>~~|~~<br>~~||~~|||±0.2ºC<br>~~|~~<br>~~|~~<br>~~||~~||||||
|30K5A1C<br>~~||~~<br>~~|~~|||±0.5ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|30K5A1D<br>~~|~~<br>~~|~~|||±1.0ºC<br>~~|~~<br>~~|~~<br>~~PC~~||||||
|30K6A1A<br>~~|~~<br>~~||~~|Green<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|30,000<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|±0.1ºC<br>~~PC~~<br>~~||~~|-4.68 %/ ºC<br>~~||~~<br>~~||~~|4261<br>~~||~~<br>~~||~~|±0.5%<br>~~||~~<br>~~||~~|0.75 mW/°C|<1 second|
|30K6A1B<br>~~||~~<br>~~|~~|||±0.2ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|30K6A1C<br>~~|~~<br>~~||~~|||±0.5ºC<br>~~|~~<br>~~|~~<br>~~||~~||||||
|30K6A1D<br>~~||~~<br>~~|~~|||±1.0ºC<br>~~||~~<br>~~|~~<br>~~|~~||||||
|50K6A1A<br>~~|~~<br>~~|~~|Blue<br>~~|~~<br>~~||~~|50,000<br>~~|~~<br>~~PC~~<br>~~||~~|±0.1ºC<br>~~|~~<br>~~|~~|-4.68 %/ ºC<br>~~||~~|4261<br>~~||~~|±0.5%<br>~~||~~|0.75 mW/°C|<1 second|
|50K6A1B<br>~~|~~<br>~~|~~<br>~~|~~|||±0.2ºC<br>~~|~~<br>~~PC~~||||||
|50K6A1C<br>~~|~~<br>~~|~~|||±0.5ºC<br>~~|~~<br>~~PC~~||||||
|50K6A1D<br>~~|~~<br>~~||~~|||±1.0ºC<br>~~PC~~<br>~~||~~||||||
|100K6A1A<br>~~||~~<br>~~|~~|Violet<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~|100,000<br>~~||~~<br>~~|~~<br>~~||~~<br>~~|~~<br>~~PC~~|±0.1ºC<br>~~||~~<br>~~|~~<br>~~|~~|-4.68 %/ ºC<br>~~||~~<br>~~||~~|4261<br>~~||~~<br>~~||~~|±0.5%<br>~~||~~<br>~~||~~|0.75 mW/°C|<1 second|
|100K6A1B<br>~~|~~<br>~~||~~|||±0.2ºC<br>~~|~~<br>~~|~~<br>~~||~~||||||
|100K6A1C<br>~~||~~<br>~~|~~<br>~~[|~~|||±0.5ºC<br>~~||~~<br>~~|~~<br>~~|~~<br>~~PC~~||||||
|100K6A1D<br>~~|~~<br>~~[|~~|||±1.0ºC<br>~~|~~<br>~~|~~<br>~~PC~~||||||



Series I Thermistors 

27 November 2008 

www.meas-spec.com 

**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. 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** 

Measurement Specialties, Inc Ballybrit Business Park Galway Ireland Tel:   +353-91-753238 Fax:  +353-91-770789 

Measurement Specialties, Inc. 910 Turnpike Road Shrewsbury, MA 01545 Tel:  1-508-842-0516 Fax: 1-508-842-0342 

Sales email: Sales email: - - temperature.sales.amer@meas spec.com temperature.sales.emea@meas spec.com 

## **ASIA** 

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 

Series I Thermistors 

27 November 2008 

www.meas-spec.com

Updated at June 8, 2026

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