INTERNATIONAL RECTIFIER - THE POWER MANAGEMENT LEADER

DirectFET® MOSFET RDS(on) Measurement and Tolerance

New, Improved RDS Measurement Accuracy


IRF6618 on Resistance

Spec: 2.0 mOhm typical 3.4 mOhm max

Actual test data @ 3 sigma points:

    2.0 mOhm typical
    2.2 mOhm max
    1.8 mOhm max
Tester demonstrated repeatability
± 27 mOhm


RDS Measurement

  • We calibrate the production testers every day plus:
    • Anytime the distribution deviates by 10%
    • Anytime equipment maintenance is performed
  • Because of this, we KNOW our distribution is better than at any other.
  • If you think that our parts are out of spec, please provide us your tester accuracy. We will review the lot in question and we will repeat the calibration.
  • In general ± 200 micro ohms is the best accuracy that you can reach without extensive tester rework.


IR’s proprietary DirectFET® technology is covered by US Patent 6,624,522 and other US and foreign pending patent applications.

 
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