Tag Archives: Inrush Current

Ametherm’s Guide To Kinked Leads

Ametherm is a trusted name in the field of inrush current limiting thermistors, providing solutions for a wide range of applications. To help you choose the right inrush thermistor for your specific needs, Ametherm offers three different lead types. These leads are crucial for proper installation and can significantly impact the effectiveness of the thermistor in your circuit. No Kink, Straight Leads: No Dash When you come across an Ametherm … Continue Reading

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Inrush Current Limiting: PTC, NTC, or Active Circuits

Inrush current limiting is vital to safeguard equipment and enhance its lifespan. NTC and PTC thermistors for inrush current reduction offer benefits like simplicity and cost-effectiveness, but sometimes, an active circuit is a more suitable choice. Comparing NTC, PTC Thermistors, and Active Circuits for Inrush Current Limiting Thermistors are temperature-sensitive resistors that precisely change resistance in proportion to temperature changes. NTC thermistors lower resistance as temperature rises, providing additional series … Continue Reading

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Why NTC Thermistors In Series Beats Parallel

Connecting in Series – Recommended When you connect NTC thermistors in series for inrush current control, you gain several important benefits. Most importantly, the energy is distributed across all the units evenly, which extends the life of both your application and it’s components. Need a Refresher on What a Thermistor is? Click Here. Furthermore, another benefit of connecting NTC Thermistors In Series is that in doing so, it raises their … Continue Reading

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Inverter Pre-Charge Circuit Inrush Current

Inverter Pre-Charge Circuit Inrush Current

Pre-Charge Circuits Prevent Damage to Inverters Severe damage can occur to inverters when the inrush current is too great for the inverter. Pre-charge circuits protect the inverters by controlling the initial power surge. PTC thermistors can help a pre-charge circuit protect the inverter.  Inrush current occurs when the maximum instantaneous input current flows through a system when the electrical power is switched on. In power tools, such as power drives,  … Continue Reading

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