Overview
The NTCG104BF473FT1 is a negative temperature coefficient (NTC) thermistor designed for precise temperature measurement and control. It belongs to the NTCG series, known for reliability in industrial and consumer applications. Its compact size and standardized resistance values make it a preferred choice for circuit designers. NTC thermistors like this model exhibit a decrease in resistance as temperature rises, enabling accurate sensing in tight spaces. The NTCG104BF473FT1 is particularly valued for its 47kΩ baseline resistance at 25°C and consistent performance across a wide temperature range.
Structure and Working Principle
The NTCG104BF473FT1 consists of a ceramic semiconductor material with metalized electrodes for solderability. Its resistance-temperature relationship follows the Steinhart-Hart equation, providing predictable behavior. The device operates by exploiting the intrinsic property of NTC materials to change resistivity with temperature. When integrated into a voltage divider circuit, the thermistor's resistance variations convert to measurable voltage changes. This allows precise temperature readings when calibrated against its characteristic curve. The component's epoxy coating ensures environmental protection while maintaining thermal responsiveness.
Key Features
This thermistor offers a B value of 4050K (±1% typical), ensuring tight temperature coefficient consistency. Its 47kΩ nominal resistance at 25°C suits applications requiring moderate impedance. The device maintains accuracy within ±1°C when properly calibrated. Additional features include lead-free construction compliant with RoHS directives and a compact radial package. Its operating range typically spans -40°C to +125°C, covering most industrial needs. The component's stability against aging makes it suitable for long-term deployments.
Application Areas
Primary applications include temperature compensation in power supplies, battery pack thermal management, and HVAC systems. The NTCG104BF473FT1 is commonly found in automotive electronics for coolant temperature monitoring and cabin climate control. Consumer electronics utilize this thermistor in smartphones for battery temperature protection and in home appliances like coffee makers. Industrial uses extend to process control equipment, where its reliability in harsh environments is valued. Medical devices also employ it for patient temperature monitoring systems.
Maintenance and Precautions
Avoid exposing the thermistor to mechanical stress during installation, as cracks may affect performance. Soldering should follow recommended temperature profiles to prevent internal damage. Maximum operating voltage must not exceed specifications to prevent self-heating errors. For calibration, use controlled temperature environments and precision measurement equipment. When designing circuits, account for the device's thermal time constant to ensure proper response times. Storage should be in dry conditions to preserve the epoxy coating's integrity.
B2B Procurement Guide
When sourcing NTCG104BF473FT1, verify manufacturer certifications like ISO 9001 for quality assurance. Bulk purchases typically offer cost savings, with MOQs starting around 1,000 units. Lead times vary but average 4-8 weeks for custom orders. Consider requesting samples for testing compatibility with your application. Evaluate supplier capabilities for tape-and-reel packaging if automated assembly is required. For critical applications, request full datasheets with detailed performance curves beyond standard specifications.
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