หัววัดอุณหภูมิ NTC thermistor 100K 3950 temperature sensor 3D printer temperature sensor

หัววัดอุณหภูมิ NTC temperature sensor thermistor 3D printer temperature sensor 100K 3950 3D printer

สายยาว 1m

Product Features

• High sensitivity and rapid response
• Compact structure and easy installation
• Wide operating temperature range, good stability, and high reliability

Technical Parameters

• Nominal resistance (R25, 25°C): 100K (Commonly used)
• Resistance accuracy: ±1% 
• B value (R25/50): 3950K
• B value accuracy: ±1%
• Use temperature range: -40°C to +300°C
• Dissipation power coefficient: ≥5 mW/°C (in static air)
• Maximum rated power: 45mW
• Thermal time constant: ≤7S (in static air)
• Resistance temperature coefficient: -2 to -5%/°C