Diodes Incorporated — Analog and discrete power solutions
SOT23

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. SOT23

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FMMT491

NPN, 60V, 1A, SOT23

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Description

Medium power planar NPN bipolar transistor.

Application(s)

  • MOSFET gate driving
  • Power switches
  • Motor control
  • Specifications & Technical Documents

    Product Parameters

    Compliance (Only Automotive Supports PPAP)

    Standard

    Category

    Medium Power Transistor

    Polarity

    NPN

    RCE(sat) (mΩ)

    195

    VCEO, VCES (V)

    60

    IC (A)

    1

    ICM (A)

    2

    PD (W)

    0.5

    hFE (Min)

    100

    hFE (@ IC) (A)

    0.5

    hFE(Min 2)

    80

    hFE (@ IC2) (A)

    1

    VCE(sat) Max (mV)

    150

    VCE(SAT) (@ IC/IB) (A/mA)

    0.5/50

    VCE(sat) (Max.2) (mV)

    250

    VCE(sat) (@ IC/IB2) (A/mA)

    1/100

    fT (MHz)

    150

    Related Content

    Packages

    Technical Documents

    SPICE Model

    Recommended Soldering Techniques

    TN1.pdf

    RoHS CofC

    Purchase & Availability

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    Product Change Notices (PCNs)

    A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

    PCN # Issue Date Implementation Date Subject
    PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products
    PCN-2638 2023-09-19 2023-12-19 Qualification of Internal "Diodes Technology (Cheng Du) Company Limited" (CAT) as Additional Assembly & Test Site with Standardization of Assembly Bill of Materials at CAT for Select Discrete Products