Diodes Incorporated

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NPN, 45V, 4A, SOT23F

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This low voltage NPN transistor has been designed for applications requiring high gain and very low saturation voltage. The SOT23F package is pin compatible with the industry standard SOT23 footprint but offers lower profile and higher dissipation for applications where power density is of utmost importance.


  • Boost converters
  • Lamp and relay driver
  • Siren driver
  • MOSFET and IGBT gate driving
  • Motor drive
  • Product Specifications

    Product Parameters

    Category Low Saturation Transistor
    Compliance(Only Automotive supports PPAP) Standard
    Polarity NPN
    VCEO, VCES (V) 45
    IC (A) 4
    ICM (A) 6
    PD (W) 1.5
    hFE (Min) 500
    hFE (@ IC) (A) 0.1
    hFE(Min 2) 70
    hFE (@ IC2) (A) 4
    VCE(sat) Max (mV) 70
    VCE(SAT) (@ IC/IB) (A/mA) 0.1/0.5
    VCE(sat) (Max.2) (mV) 270
    VCE(sat) (@ IC/IB2) (A/mA) 2/20
    fT (MHz) 190
    RCE(sat) (mΩ) 50

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