TO92 Encapsulated 10K Ohm NTC Thermistor 3950 B-value for Temperature Control and Audio Applications

Price Negotiable

Price: 0.25~0.25USD/PC

MOQ: 1000PCS

Delivery Time: 10 workdays

Brand: AMPFORT

Product Description

Product Overview

AMPFORT TO92 encapsulated 10K Ohm NTC thermistor with 3950 B-value, designed for precision temperature measurement and compensation applications in industrial and consumer electronics.

Key Applications

Temperature control boards and circuits
Audio amplifiers and music equipment
Smart home appliances and portable devices
Battery management systems and chargers
Automotive temperature control systems

Technical Specifications

Resistance: 10KΩ ±1% at 25°C
B-value: 3950K ±1% (B25/50)
Operating Temperature: -50°C to 105°C
Thermal Time Constant: 13 seconds (in still air)
Rated Power: 262mW at 25°C
Available Resistance Values: 2.8K, 5K, 10K, 12K, 50K, 100K, 200K
Package Options: Diode or triode configuration

Electrical Characteristics

Parameter	Specification
Zero Power Resistance	R25 = 10KΩ ±1%
B-value	B25/50 = 3950K ±1%
Thermal Time Constant	Approx. 13 seconds (in still air)
Dissipation Constant	Approx. 1.5mW/°C (in still air)
Power Rating	187 (262mW)
Operating Temperature Range	-50°C to 105°C

Reliability Testing

Test	Condition	Requirement
High Temperature	T = 150°C ±2°C, t = 1000h	△R25: R25 ≤ ±3% △B25/85: B25/85 ≤ ±2%
Low Temperature	T = -40°C ±2°C, t = 1000h	△R25: R25 ≤ ±3% △B25/85: B25/85 ≤ ±2%
Humidity Test	60°C, 90-95% R.H., 1000h	△R25: R25 ≤ ±3% △B25/85: B25/85 ≤ ±2%

Mechanical Characteristics

Test	Condition	Requirement
Lead Wire Pulling Test	14.7N (1.5kg) axial force for 10 seconds	No visible damage, within specification
Lead Wire Bending Test	250g force, bend and return 3 times	No visible damage, within specification
Lead Wire Welding Ability	230-260°C immersion for 3-5 seconds	Tin coverage > 90%