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๐Ÿงฎ RL inductor time constant calculator

Drag L and R to see the exponential current-rise curve animate in real time. Shows time constant ฯ„ = L/R, settle time, RL corner frequency, and stored energy โ€” with a flyback warning for relay/solenoid drivers.

Maddy, co-founder of Little Bird

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Hi, I'm Maddy. My team and I are ready to help with your order or any questions.