Braking resistor re-design improves pulse handling & reliability
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By
Graham Prophet
This Q992-A brake resistor employs highly reliable thick-film-on-ceramic technology with 4 kV isolation to the heat sink, an ultra-low profile and a fast-on terminal. For motion control brake chopper applications, this resistor delivers excellent performance at a resistance value of 400Ω / 200W (tolerance 20%) and 2 kW peak power. The Q992-A’s design enables easy, economical assembly: It is simply mounted to a heat sink using pre-applied thermal interface material. Measuring 42.2 x 27.86 x 6.09 mm, this inrush current resistor is extremely compact.
Vincotech; www.vincotech.com/products/brake-resistor.html
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