400J resistor withstands high energy impulse events
Providing a 400J energy rating with average power of just 2.5W, the EY Series of high energy ceramic composition resistors has been announced by Ohmite. The company has claimed that no other resistor on the market handles energy spikes of this magnitude in such a small package.
Suited to withstand single or infrequent high energy impulse events, without any significant change in resistance, the high energy resistors measure just 46.2x9.4mm.
The non-inductive axial leaded resistors are offered in 20 standard, 10% tolerance, resistance values in the range of 10-100,000Ω. Ohmite have said that they expect specific applications in medical devices such as defibrillators where the standard discharge pulse is around 360J. The EY Series is also suited to automatic placement.
According to the manufacturer, designers currently configuring multiple resistors to achieve their desired energy rating can now use EY resistors to accomplish the same task. This results in reduced inventory and board space, as well as lower manufacturing and overall cost.
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