Vishay Ametherm SL22 Series NTC Thermistor, 40 Ohm, Radial Leaded

The Vishay Ametherm SL22 40005 is a high-quality, two-pin Negative Temperature Coefficient (NTC) thermistor designed as an inrush current limiter. Featuring a robust radial-leaded case and M-type material composition, this component is engineered for reliable performance and excellent thermal characteristics. Its primary function is to limit the damaging surge of current that occurs when electronic equipment is first powered on, thereby protecting sensitive circuitry and extending the lifespan of your devices.

This SL22-series component boasts a significant maximum energy rating of 63 joules. It is well-suited for a wide range of applications, including AC motor control, power supply units, motor drives, audio amplifiers, battery chargers, and frequency generators. The thermistor's properties ensure smooth start-up operations and enhanced safety for electronic systems.

Key Technical Specifications

• Resistance (25°C): 40 ohm ±20%
• Dissipation Constant: 32.4 mW/°C
• Thermal Time Constant: 94 seconds
• Disc Size: 22 mm diameter
• Product Range: SL22 series
• Maximum Energy Rating (25°C): 63 J
• Maximum Steady State Current (25°C): 5 A
• Approvals: CSA certified

The radial leaded design facilitates easy through-hole mounting on printed circuit boards (PCBs), making it a practical choice for both prototyping and volume manufacturing. Its dependable construction from a leading manufacturer like Vishay Ametherm ensures consistent performance in demanding environments, from consumer electronics to industrial power management systems.