DESCRIPTION
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.

FEATURES
• 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