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The 2SJ557A is a switching device which can be driven directly by a 4 V power source. The 2SJ557A features a low on-state resistance and excellent switching characteristics, and is suitable for applications such as power switch of portable machine and so on.


  • 4 V drive available
  • Low on-state resistance RDS(on)1 = 100 mΩ MAX. (VGS = −10 V, ID = −1.0 A) RDS(on)2 = 134 mΩ MAX. (VGS = −4.5 V, ID = −1.0 A) RDS(on)3 = 166 mΩ MAX. (VGS = −4.0 V, ID = −1.0 A)
  • Built-in gate protection diode

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Title language Type Format File Size Date
Datasheets & Errata
star 2SJ557A Data Sheet (D19059EJ2V0DS00) 日本語 Datasheet PDF 276 KB
User Guides & Manuals
Power Devices Part Number Guide Guide PDF 1.89 MB
PowerMOSFET & IPD Brochure PDF 2.24 MB