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Specifications
Resistance @ 25℃:
4.7kΩ
Operating Temperature:
-55℃~+125℃
B Constant (25℃/100℃):
-
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant Tolerance:
±2%
B Constant (25℃/50℃):
3470K
Mfr. Part #:
CWF3AA472F3470
Key Attributes
Model Number:
CWF3AA472F3470
Product Description
Product Overview
The CWF series NTC Thermistor Probes from Cantherm offer precision temperature measurement solutions. Designed for a wide range of applications, these probes feature a high-reliability NTC thermistor insulated with heat-conductive, water-resistant materials and potted into various probe bodies. They are available in five basic enclosure styles, including ethoxyline dipped, metal housing, plastic body, sheet metal attachment fixtures, and custom probes. CWF thermistors are suitable for applications requiring accurate temperature sensing, regulation, and control in diverse environments, from household appliances to automotive electronics and industrial controllers. Key advantages include small size, fast response times, long-term stability, excellent tolerance, and robust construction for insulation and impact resistance.
Product Attributes
- Brand: CWF
- Manufacturer: Cantherm (Division of Microtherm)
- Origin: Canada
Technical Specifications
| Product Series | Package Option | Rated Resistance at 25C | Precision Symbol (Rated Resistance) | B Value (25/50) | Dissipation Coef. (mW/C) | Thermal Time Constant (S) | Operating Temp. Range (C) | Allowable (K) | Dimensions (mm) - Code A | Dimensions (mm) - Code B | Dimensions (mm) - Code C | Dimensions (mm) - Code D | Dimensions (mm) - L1 Max | Dimensions (mm) - L2 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CWF | 1- Dipped ethoxyline resin (ex. 1A) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | A: 4 | B: 5 | C: 6 | D: 7 | L1: 16 | L2: Customer Specified | |
| CWF | 2- Aluminum, copper, or stainless steel housing (ex. 2A) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | A: 4 | B: 5 | C: 6 | D: 7 | L1: 16 | L2: Customer Specified | |
| CWF | 3- Plastic body (ex. 3AA) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | 3A: A: 2.5, B: 4, C: 5, D: 6 | 3A: L1: 10, L2: Customer Specified | |||||
| CWF | 3- Plastic body (ex. 3B) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | 3B: A: 4, B: 8, C: 8 | 3B: L1: 10, 35, 50, L2: Customer Specified | |||||
| CWF | 4- Sheet metal attachment fixtures (ex. 4B) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | N/A | N/A | N/A | N/A | N/A | N/A | |
| CWF | 5- Special probes (ex. 5B) | 103 (10K) | F: 1%, G: 2%, H: 3%, J: 5% | 3100, 3270, 3380, 3470, 3600, 3950, 4000, 4050, 4150, 4300, 4500 | 2.2 | 70 | -55 to 125 | 1, 2, 3, 5 | N/A | N/A | N/A | N/A | N/A | N/A | |
| CWF1 (Ethoxyline dipped) | Characteristics: Moisture resistant, good insulation, high reliability, small time constant, quick responses. Available Wire Types: AWG 24#, 26#, 28#,30#, PVC. Applications: Household air-conditioning, refrigeration. | ||||||||||||||
| CWF2 (Metal probe body) | Characteristics: High resistance to thermal shock, moisture resistant, strong and secure structure, high dissipation coefficient. Standard Wire Type: AWG 24#, 26#, 28#,30#, PVC. Applications: Refrigeration, air-conditioning, water heaters, drinking fountains. | ||||||||||||||
| CWF3 (Plastic body) | Characteristics: Good dimensional tolerances, good heat resistance and moisture protection, high voltage resistance. Available Wire Types: AWG 24#, 26#, 28#,30#, PVC. Applications: Air-conditioning, refrigeration. | ||||||||||||||
| CWF4 (Sheet metal attachment fixtures) | Characteristics: Wide variety of fixtures, suitable for most applications. Applications: Fan control, industrial temperature controllers. | ||||||||||||||
| CWF5 (Custom probes) | Characteristics: Small time constant, fast response, flexible and secure. Applications: Water heaters, electronic thermometers. | ||||||||||||||
| General Applications: Heating, ventilation & air conditioning, Temperature regulation and measurement, Automotive electronics, Water heaters, Household appliances (refrigerators, water coolers, dishwashers). | |||||||||||||||
| General Characteristics: Wide variety of installation fixtures and probes, Small size and fast response (temperature coefficient of resistance can reach - (2~5%/C)), Long-term stability and reliability (yearly drift of 1%), Excellent tolerance and interchangeability (accuracy of R and B value can be 1%), Double layer packaging for insulation and impact resistance, Dissipation constant type 1 package 2.0mW/C, type 2 package 4.0mW/C, Time constant of 15S to 70S. | |||||||||||||||
2411220418_Cantherm-CWF3AA472F3470_C17603186.pdf
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