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.


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Description Price Diode Configuration Maximum Forward Current Mounting Type Number of Elements per Chip Maximum Reverse Voltage Package Type Diode Technology Maximum Forward Voltage Drop Pin Count Maximum Diode Capacitance Minimum Operating Temperature Maximum Operating Temperature Length Width
RS Stock No. 131-4614
Mfr. Part No.DAP236UT106
BrandROHM
SGD0.213
Each (In a Pack of 50)
units
Common Anode - Surface Mount 2 35V SOT-323 (SC-70) Silicon Junction 1V 3 1.2pF - +125 °C 2.2mm 1.35mm
RS Stock No. 180-7076
Mfr. Part No.VS-4EWH02FN-M3
BrandVishay
SGD0.854
Each (In a Tube of 75)
units
Single 4A Surface Mount 1 200V TO-252AA - - 3 + Tab 17pF -65 °C +175 °C 6.73mm 6.22mm
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Features• Superectifier structure for high reliability condition• Cavity-free glass-passivated junction• Fast switching for high efficiency• Low leakage current, typical IR less than 0.2 μA• High forward surge capability• Solder dip 275 °C max. 10 s, per JESD 22-B106Typical ...