The B57861S0104F040 is a leaded NTC (Negative Temperature Coefficient) thermistor from EPCOS (TDK). NTC thermistors are temperature-sensitive resistors that exhibit a decrease in resistance as their temperature increases. This particular thermistor is designed for temperature sensing, control, and compensation applications across a broad range of industries.

Applications

• Temperature sensing in automotive electronics: Engine temperature monitoring, climate control systems.
• Temperature compensation in electronic circuits: Compensating for temperature drifts in amplifiers, oscillators, and other sensitive circuits.
• Temperature measurement in industrial equipment: Process control systems, temperature monitoring in machinery.
• Temperature control in consumer electronics: Temperature regulation in home appliances like refrigerators, ovens, and water heaters.
• Battery thermal management: Monitoring and controlling the temperature of battery packs in electric vehicles and portable devices.

Features

• High accuracy temperature sensing: Provides precise temperature readings for reliable control and compensation.
• Fast response time: Responds quickly to temperature changes, enabling real-time temperature monitoring and control.
• Wide operating temperature range: Suitable for use in a variety of environments.
• Leaded construction: Allows for easy mounting and connection to circuit boards.
• Excellent long-term stability: Maintains its performance characteristics over extended periods of operation.

Benefits

• Improved temperature control: Enables precise temperature regulation in a wide range of applications.
• Enhanced circuit performance: Compensates for temperature-induced errors in electronic circuits.
• Increased system reliability: Prevents overheating and other temperature-related failures.
• Reduced energy consumption: Optimizes temperature control to minimize energy waste.
• Extended product lifespan: Protects sensitive components from damage caused by extreme temperatures.

Additional Details

The B57861S0104F040 has a nominal resistance of 100,000 ohms (100kΩ) at 25°C. It features a beta value (B25/85) which defines the temperature sensitivity of the thermistor. The specific datasheet should be consulted for the exact beta value and resistance tolerance. The device is typically conformally coated for environmental protection and to ensure reliable performance even in humid or harsh environments. The lead material and spacing is also specified in the datasheet.