The B57703M103G40 is a Negative Temperature Coefficient (NTC) thermistor manufactured by EPCOS (TDK). This device is designed to exhibit a decrease in electrical resistance as its temperature increases. NTC thermistors are commonly used for accurate temperature sensing, temperature compensation, and temperature control in diverse applications.

Applications:

• Temperature Measurement: Utilized in thermometers, temperature sensors, and other devices requiring precise temperature readings.
• Temperature Compensation: Compensates for temperature-related variations in circuit parameters, ensuring stable performance.
• Temperature Control: Employed in thermostats, climate control systems, and other applications where temperature regulation is essential.
• Overcurrent Protection: Can be used to limit current flow in circuits, preventing damage from excessive current.
• Automotive Electronics: Found in engine control units (ECUs), climate control systems, and other automotive applications.

Features:

• NTC Characteristic: Resistance decreases predictably with increasing temperature.
• High Sensitivity: Offers accurate and responsive temperature sensing.
• Small Size: Compact design allows for easy integration into various electronic circuits.
• Wide Operating Temperature Range: Suitable for use in a broad range of environmental conditions.
• RoHS Compliant: Complies with environmental regulations restricting the use of hazardous substances.

Benefits:

• Precise Temperature Sensing: Provides reliable and accurate temperature measurements.
• Stable Performance: Offers consistent and dependable performance over a wide temperature range.
• Easy Integration: Small size simplifies circuit design and assembly.
• Overcurrent Protection: Helps protect circuits from damage caused by overcurrent events.
• Environmentally Compliant: RoHS compliance ensures adherence to environmental standards.

Technical Specifications:

Resistance at 25°C: 10 kΩ

Tolerance: ±2%

B Value (25/85): Approximately 3950 K

Operating Temperature Range: -40°C to +125°C

Dissipation Factor: Typically 2.5 mW/°C

Thermal Time Constant: Typically 15 seconds