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. 146-2253
Mfr. Part No.1N4148 A0
MYR0.052
Each (On a Tape of 5000)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 652-7343
Mfr. Part No.1N4148 A0
MYR0.078
Each (In a Pack of 500)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 796-9644
Mfr. Part No.BAV20 R0
MYR0.096
Each (In a Pack of 250)
units
Single 200mA Through Hole 1 - DO-35 Silicon Junction 1.25V 2 5pF -65 °C +200 °C 5.08mm -
RS Stock No. 170-4134
Mfr. Part No.BAS316WS RR
MYR0.149
Each (On a Reel of 3000)
units
Single 250mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 1.5pF - +150 °C 1.8mm 1.4mm
RS Stock No. 170-4132
Mfr. Part No.BAS21 RF
MYR0.116
Each (On a Reel of 3000)
units
Single 625mA Surface Mount 1 250V SOT-23 Silicon Junction 1.25V 3 5pF -55 °C +150 °C 3mm 1.4mm
RS Stock No. 796-9650
Mfr. Part No.BAV21 R0
MYR0.15
Each (In a Pack of 250)
units
Single 200mA Through Hole 1 - DO-35 Silicon Junction 1.25V 2 5pF -65 °C +200 °C 5.08mm -
RS Stock No. 796-9640
Mfr. Part No.BAV19WS RR
MYR0.191
Each (In a Pack of 250)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 170-4145
Mfr. Part No.BAV19WS RR
MYR0.13
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 170-4147
Mfr. Part No.BAV21WS RR
MYR0.137
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 796-9580
Mfr. Part No.BAS316WS RR
MYR0.267
Each (In a Pack of 250)
units
Single 250mA Surface Mount 1 75V SOD-323 - 1.25V 2 1.5pF - +150 °C 1.8mm 1.4mm
RS Stock No. 796-9662
Mfr. Part No.BAV21WS RR
MYR0.286
Each (In a Pack of 250)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 177-5893
Mfr. Part No.BAV21 R0
MYR0.112
Each (On a Reel of 10000)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1.25V 2 - -65 °C +200 °C 5.08mm -
RS Stock No. 170-4148
Mfr. Part No.BAV99W RF
MYR0.13
Each (On a Reel of 3000)
units
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
RS Stock No. 796-9571
Mfr. Part No.BAS21 RF
MYR0.216
Each (In a Pack of 250)
units
Single 625mA Surface Mount 1 250V SOT-23 - 1.25V 3 5pF -55 °C +150 °C 3mm 1.4mm
RS Stock No. 796-9666
Mfr. Part No.BAV99W RF
MYR0.172
Each (In a Pack of 250)
units
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