Switching Diodes | Signal Diode | 1N4148 | RS
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    Switching Diodes

    A switching diode is a two terminal PN junction, often used in electronic systems to manage small voltages.

    Switching Diode

    A Switching Diode is commonly referred to as a "Signal Diode", it is a semiconductor that can be used to switch signals or act as a rectifier at low voltages.

    Within a circuit they can provide similar functionality to a physical switch, with the on/off state governed by the direction of the current flow. When there is forward current in the circuit (forward-bias), the switching diode effectively is a closed switch with low resistance, allowing current to flow. If the current of the circuit is reversed (reverse bias), the switching diode provides high resistance, preventing current flow up to a specified threshold.

    Where are Switching Diodes used?

    A switching diode can be used in low voltage applications that require fast switching and a high speed rectification. A diode can also be used as a circuit protection device to prevent reverse current damaging a device upstream of the switching diode, such as microcontroller.

    1535 Products showing for Switching Diodes

    DiodesZetex
    Single
    -
    Surface Mount
    1
    -
    SOD-323F
    Silicon Junction
    1.25V
    2
    -
    -65 °C
    +150 °C
    1.8mm
    1.35mm
    1.8mm
    1.8 x 1.35 x 0.75mm
    onsemi
    Common Cathode
    -
    Surface Mount
    2
    -
    D2PAK (TO-263)
    Silicon Junction
    975mV
    3
    -
    -65 °C
    +175 °C
    10.29mm
    9.65mm
    4.83mm
    4.83 x 10.29 x 9.65mm
    ROHM
    Single
    500mA
    Surface Mount
    1
    200V
    TO-252GE
    Silicon Junction
    -
    3
    -
    -
    -
    -
    -
    -
    -
    DiodesZetex
    Common Cathode
    40A
    Through Hole
    2
    300V
    TO-220AB
    -
    890mV
    3
    -
    -65 °C
    +175 °C
    10.66mm
    4.82mm
    16.51mm
    10.66 x 4.82 x 16.51mm
    onsemi
    Single
    -
    Through Hole
    1
    -
    DO-41
    Silicon Junction
    1.75V
    2
    -
    -65 °C
    +175 °C
    -
    -
    5.2mm
    2.7 (Dia.) x 5.2mm
    onsemi
    Single
    -
    Through Hole
    1
    -
    DO-41
    Silicon Junction
    1.1V
    2
    -
    -65 °C
    +175 °C
    -
    -
    5.2mm
    2.7 (Dia.) x 5.2mm
    Nexperia
    Common Anode
    225mA
    Surface Mount
    2
    250V
    SOT-323 (SC-70)
    Silicon Junction
    1.25V
    3
    2pF
    -55 °C
    +150 °C
    2.2mm
    1.35mm
    1.1mm
    2.2 x 1.35 x 1.1mm
    Nexperia
    Common Anode
    225mA
    Surface Mount
    2
    250V
    SOT-323 (SC-70)
    Silicon Junction
    1.25V
    3
    2pF
    -55 °C
    +150 °C
    2.2mm
    1.35mm
    1.1mm
    2.2 x 1.35 x 1.1mm
    Taiwan Semiconductor
    Series
    130 mA, 150 mA
    Surface Mount
    2
    85V
    SOT-323 (SC-70)
    Silicon Junction
    1.25V
    3
    1.5pF
    -
    +150 °C
    2.1mm
    1.35mm
    1mm
    2.1 x 1.35 x 1mm
    Taiwan Semiconductor
    Series
    130 mA, 150 mA
    Surface Mount
    2
    85V
    SOT-323 (SC-70)
    Silicon Junction
    1.25V
    3
    1.5pF
    -
    +150 °C
    2.1mm
    1.35mm
    1mm
    2.1 x 1.35 x 1mm
    Nexperia
    Common Anode
    225mA
    Surface Mount
    2
    200V
    SOT-23
    Silicon Junction
    1.25V
    3
    2pF
    -65 °C
    +150 °C
    3mm
    1.4mm
    1.1mm
    3 x 1.4 x 1.1mm
    ROHM
    Common Anode
    300mA
    Surface Mount
    1
    80V
    SOT-323
    Epitaxial Planar
    -
    3
    -
    -
    -
    -
    -
    -
    -
    ROHM
    Single
    215mA
    Surface Mount
    1
    75V
    SOT-23
    -
    -
    3
    -
    -
    -
    -
    -
    -
    -
    Infineon
    Single
    -
    Through Hole
    1
    -
    TO-247
    Silicon Junction
    1.7V
    3
    -
    -40 °C
    +175 °C
    16.13mm
    5.21mm
    21.1mm
    16.13 x 5.21 x 21.1mm
    Taiwan Semiconductor
    Single
    -
    Surface Mount
    1
    -
    DO-214AB (SMC)
    Silicon Junction
    1.15V
    2
    -
    -55 °C
    +150 °C
    7.11mm
    6.22mm
    2.42mm
    7.11 x 6.22 x 2.42mm
    onsemi
    Isolated
    100mA
    Surface Mount
    3
    80V
    SOT-363 (SC-88)
    Silicon Junction
    1.2V
    6
    2pF
    -
    +150 °C
    2.2mm
    1.35mm
    1mm
    2.2 x 1.35 x 1mm
    Fairchild Semiconductor
    Single
    400mA
    Through Hole
    1
    100V
    DO-35
    Silicon Junction
    1V
    2
    4pF
    -65 °C
    +175 °C
    4.56mm
    -
    -
    1.91 (Dia.) x 4.56mm
    DiodesZetex
    Single
    1A
    Surface Mount
    1
    1000V
    SMA
    Silicon Junction
    1.3V
    2
    15pF
    -65 °C
    +150 °C
    4.6mm
    2.92mm
    2.1mm
    4.6 x 2.92 x 2.1mm
    DiodesZetex
    Single
    -
    Surface Mount
    1
    -
    SMB
    -
    -
    2
    -
    -65 °C
    +150 °C
    4.57mm
    3.94mm
    2.3mm
    4.57 x 3.94 x 2.3mm
    Vishay
    Single
    250mA
    Surface Mount
    1
    250V
    Quadro Melf
    -
    1V
    2
    -
    -65 °C
    +175 °C
    3.5mm
    1.7mm
    1.5mm
    3.5 x 1.7 x 1.5mm
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