Vishay Intertechnology, Inc. (NYSE: VSH) has recently introduced a new line of positive temperature coefficient (PTC) thermistors with radial leads, known as the TFPTL series. These components are built around a nickel film core and offer a temperature coefficient of +4110ppm/K. With a response time under 2 seconds, they provide excellent stability across a wide operating range from -55°C to +150°C, making them ideal for a variety of demanding applications.
The TFPTL thermistors come in two standard sizes, featuring 2.5mm and 5.0mm lead pitches. They offer a broad range of resistance values from 100 ohms to 5K ohms at +25°C (R25), with tolerances of ±1% or ±5%. Custom options are available upon request, allowing for flexibility in design and application-specific requirements.
Known for their long-term stability (with typical drift less than 0.1%) and high-temperature performance, these PTC thermistors are well-suited for use in temperature sensing, monitoring, compensation, and control systems. They can also serve as an alternative to silicon-based temperature sensors in various industrial and consumer electronics.
Applications for the TFPTL series include heating and cooling systems, motor drives, fan control units, power supplies, and a wide array of consumer devices. Their reliability and performance make them a strong choice for engineers looking for durable and accurate temperature management solutions.
The TFPTL thermistors are UL-listed for use in the U.S. and Canada, and feature a thin-film ceramic chip paired with tinned copper-clad steel wires. The product is RoHS-compliant (Directive 2011/65/EU), WEEE-compliant (2002/96/EC), and coated with an epoxy resin that meets UL 94 V-0 standards for flame resistance.
Samples and full production quantities are currently available, with lead times of approximately ten weeks for larger orders. This makes it easier for designers and manufacturers to integrate the TFPTL series into their next-generation products efficiently.
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