Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 20kΩ |
| Operating Temperature | -55℃~250℃ |
| Diameter (φD) | 1.8mm |
| Description | NTC Thermistor 20kΩ Through Hole,D1.8xL3.7mm |
| Mfr. Part # | ATH20K1R8B3950K |
| Package | Through Hole,D1.8xL3.7mm |
| Model Number | ATH20K1R8B3950K |
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Product Specification
| Resistance @ 25℃ | 20kΩ | Operating Temperature | -55℃~250℃ |
| Diameter (φD) | 1.8mm | Description | NTC Thermistor 20kΩ Through Hole,D1.8xL3.7mm |
| Mfr. Part # | ATH20K1R8B3950K | Package | Through Hole,D1.8xL3.7mm |
| Model Number | ATH20K1R8B3950K |
The Analog Technologies ATH20K1R8B3950K is an ultra-stable axial-leaded thermistor designed for precise temperature sensing and control. Featuring glass encapsulation for long-term stability and reliability, it offers a wide operating temperature range from -55C to 250C, high resistance accuracy of 1%, and a quick response time of 20 seconds. Its compact size (1.8mm x 3.7mm) and tin-plated copper-clad steel leads provide enhanced mechanical stability and conductivity. This RoHS compliant component is ideal for cost-sensitive temperature sensing applications in automotive electronics, industrial electronics, home appliances, battery management systems, and consumer electronics, where accurate and reliable temperature measurement is critical.
| Parameter | Symbol | Value |
|---|---|---|
| Nominal Resistance @ 25C | R25 | 20K 1% |
| B Value @ 25C /50C | B25/50 | 3950K 1% |
| Thermistor Diameter | DT | 1.8 0.2mm |
| Thermistor Length | LT | 3.7 0.3mm |
| Lead Diameter | DL | 0.5 0.05mm |
| Lead Length | LL | 28 1mm |
| Dissipation Factor | th | 2mW/C |
| Insulation Resistance | Ris | 500M |
| Maximum Power @ 25C | Pmax | 50mW |
| Time Constant | c | 20s (in still air @5~25C) |
| Operating Temperature Range | -55C to 250C | |
| Stability | <0.1C/year | |
| Terminal Pull Strength and Duration | Pull Strength: 51N, Time Duration: 101s; R25/R25 2% | |
| Solderability | Temperature: 245C 5C, Time Duration: 2 ~ 3s; Coverage area 95% | |
| Withstand Soldering Temperature | Solder Pot Temperature: 260C 5C, Immerse leads 6mm away from thermistor body, Time Duration: 5 1s; R25/R25 2% | |
| Humidity and Heat Sustainability | Temperature: 40C 2C, Humidity: 93% 2%, Time Duration: 500hrs; R25/R25 2% | |
| Thermal Cycling Sustainability | -55C 30min25C 5min250C 30min25C 5min, 5 cycles; R25/R25 2% | |
| High Temperature Storage Sustainability | Temperature: 250C 5C, Time Duration: 1000hrs; R25/R25 2% | |
| Low Temperature Storage Sustainability | Temperature: -55C, Time Duration: 1000hrs; R25/R25 2% |
ATH - Company Code (Analog Technologies, Inc.)
20K - Resistance @ 25C (R25 = 20k)
1R8 - Diameter (1R8 = 1.8mm, R = Decimal Point)
B3950K - B Value (B25/50 = 3950K)
Storage:
Products and specifications are subject to change without prior notice. ATI warrants products to perform according to specifications for one year from the date of sale, except when damaged due to excessive abuse. Customers are responsible for evaluating product suitability for their applications. ATI assumes no liability for applications assistance or customer product design. Obtain the latest information before placing orders.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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