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Bourns
PWR221-T-30 Series Power Resistors
Bourns PWR221-T-30 Series Power Resistors

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The Bourns PWR221-T-30 Series Power Resistors are a TO-220 style power resistor made using thick film on alumina ceramic technology. With a high power rating (30W), the PWR221T-30 series offers low inductance (0.1µH max) and is RoHS compliant. The Bourns PWR221-T-30 Series Power Resistors are used in current limiting, capacitor discharge, or current measurement circuits in power supplies for telecom and industrial applications, as well as motor drives, test and measurement, and rectifiers.

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

Electrical & Thermal Characteristics


Reliability Characteristics

Material Characteristics


Standard Resistance Values
Selection Matrix
Code Resistance Value


















Code
Resistance Value
R020 0.02*** 20R0 20
R050 0.05*** 30R0 30
R100 0.1 33R0 33
R500 0.5 47R0 47
R750 0.75 50R0 50
1R00 1 56R0 56
1R50 1.5 75R0 75
2R00 2 1000 100
2R20 2.2 2000 200
2R50 2.5 3300 330
3R00 3 4700 470
3R30 3.3 7500 7500
4R70 4.7 1001 1000
5R00 5 3301 3300
7R50 7.5 1002 10000
8R20 8.2 3002 33000
10R0 10 1003 100000
15R0 15 1303 130000
*** 5% tolerance









  • Bourns
  • Industrial
  • Passive Components