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PWR221T-30-50R0F Bourns

Non-inductive resistor, 50Ω (1%), 30W

Bourns
PWR221T-30-50R0F
Order code: TN-M3
Product conditions: N     
  Title Dimension  
PWR221T-30-50R0F - Datasheet 309.4 kB

This is an high precision non-inductive thick film resistor suitable for RF terminations till 30W continuous power. For a correct mounting it needs an adequate heat sink. This resistor has both pins insulated from ground so any pin can be used for ground connection or for RF line. If it is used at high frequencies (> 300 MHz) it is recommended to leave about 6 mm of empty space between the pins and their connection, as you can see in the picture below. For a better cooling of the resistor it is preferable to mount it about in the center of the heat sink. It is provided without the heat sink.


Mounting example

Another mounting example, easier and more practical

This is a test report done in our lab, return loss up to 1 GHz

50Ω resistance, 1% precision,
TO220 package,
both pins raised from ground
max 30W continuous power at 25°C 
on an adequate heat sink
(max 2.5W without heat sink)
dc - 600 MHz typical frequency

  • CR
  • 85331000
  • 1.00 g
  • Yes
  • Not available
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