PWR221T-50 Series High Power Resistors

By Bourns Inc. 162

PWR221T-50 Series High Power Resistors

Bourns' PWR221T-50 series is available in a compact TO-220 package utilizing thick film on ceramic technology which provides the advantage of low inductance and the ability to absorb power up to 50 watts when properly mounted to a heatsink. This latest TO-220 package addition helps to further strengthen the high power PWR family of resistors, already available in DPAK, D2PAK, TO-220, and TO-247 packages.

The PWR221T-50 series through-hole, radial-leaded resistor is available with a wide resistance value range from 20 milliohms to 130 kiloohms and resistance tolerance options of 1% and 5%.

They are constructed with a thick film resistive element on a white alumina ceramic substrate for contact with a heatsink, which will be electrically isolated from the resistive element.

Bourns PWR221T-50 models are ideal for current limiting, current measurement, and capacitor discharge applications. Industrial and telecom applications, such as test and measuring equipment, motor drivers, rectifiers, and power supplies, are suitable for design-in.

This family complements the other circuit conditioning components, such as power inductors and rectifier diodes, that Bourns offers.

Features
  • TO-220 housing
  • Low inductance
  • Ceramic backplane
  • High power rating
  • RoHS compliant
Applications
  • Power supplies
  • Motor drives
  • Test and measurement
  • Rectifiers

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