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庫存編號 738-4803
製造零件編號BAS21-7-F
HK$0.432
Each (On a Tape of 200)
單位
Single - - 1 - - Silicon Junction - - - - - - -
RS庫存編號 166-0341
製造零件編號BAV23C-7-F
HK$0.445
個 (在毎卷:3000)
單位
Common Cathode 400mA Surface Mount 2 200V SOT-23 Silicon Junction 1.25V 3 5pF -65 °C +150 °C 3mm 1.4mm
RS庫存編號 751-4736
製造零件編號RS3B-13-F
HK$2.497
Each (On a Tape of 25)
單位
Single 3A Stud 1 100V SMC - 1.3V 2 50pF -65 °C +150 °C 7.11mm 6.22mm
RS庫存編號 751-3446
製造零件編號BAV199T-7-F
HK$0.675
Each (On a Tape of 100)
單位
Series 215mA Surface Mount 2 85V SOT-523 (SC-89) Silicon Junction 1.25V 3 2pF -65 °C +150 °C 1.7mm 0.85mm
RS庫存編號 708-2204
製造零件編號MMBD3004A-7-F
HK$1.17
/個 (每包:25個)
單位
Common Cathode - Surface Mount 2 - SOT-23 - - 3 - - - - -
RS庫存編號 122-1239
製造零件編號US1A-13-F
HK$0.675
個 (在毎卷:5000)
單位
Single 1A Surface Mount 1 50V SMA Silicon Junction 1V 2 20pF -65 °C +150 °C 4.6mm 2.92mm
RS庫存編號 710-4528
製造零件編號MCL4148-TR
BrandVishay
HK$0.409
/個 (每包:100個)
單位
Single - Surface Mount 1 - MicroMELF Silicon Junction - 2 - - - - -
RS庫存編號 180-8177
製造零件編號1N4148WS-G3-08
BrandVishay
HK$0.435
個 (在毎卷:3000)
單位
- - - - - - - - - - - - - -
RS庫存編號 121-9565
製造零件編號SBR40U300CT
HK$29.05
毎管:50 個
單位
Common Cathode 40A Through Hole 2 300V TO-220AB Silicon Junction 890mV 3 - -65 °C +175 °C 10.66mm 4.82mm
RS庫存編號 182-1850
製造零件編號BAS316,135
BrandNexperia
HK$0.565
/個 (每包:250個)
單位
- - - - - - - - - - - - - -
RS庫存編號 166-0472
製造零件編號S2G-13-F
HK$0.709
個 (在毎卷:3000)
單位
Single 1.5A Surface Mount 1 400V SMB Silicon Junction 1.15V 2 20pF -65 °C +150 °C 4.57mm 3.94mm
RS庫存編號 751-3317
製造零件編號BAS16LP-7
HK$1.754
/個 (每包:50個)
單位
Single 300mA Surface Mount 1 75V DFN - 1.25V 2 2pF -65 °C +150 °C 1.08mm 0.675mm
RS庫存編號 146-9364
製造零件編號BAS21HMT116
BrandROHM
HK$0.179
個 (在毎卷:3000)
單位
Single 200mA Surface Mount 1 200V SOT-23 - - 3 2.5pF - +150 °C 2.9mm 1.3mm
RS庫存編號 170-8013
製造零件編號74HC86D,653
BrandNexperia
HK$0.709
個 (在毎卷:2500)
單位
- - Surface Mount - - SO - - 14 - -40 °C +125 °C 8.75mm 4mm
RS庫存編號 122-0240
製造零件編號ES2G-13-F
HK$1.272
個 (在毎卷:3000)
單位
Single 2A Stud 1 400V SMB Silicon Junction 1.25V 2 25pF -55 °C +150 °C 4.57mm 3.94mm
RS庫存編號 700-1277
製造零件編號S3G-E3/57T
BrandVishay
HK$2.435
/個 (每包:20個)
單位
Single 3A Stud 1 400V SMC - 1.15V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS庫存編號 751-4492
製造零件編號MMBD3004S-7-F
HK$1.206
/個 (每包:25個)
單位
Series 225mA Surface Mount 2 300V SOT-23 - 1.25V 3 5pF -65 °C +150 °C 3mm 1.4mm
RS庫存編號 171-4436
製造零件編號EMN11T2R
BrandROHM
HK$1.052
/個 (每包:50個)
單位
2x Common Cathode Pair 300mA Surface Mount 4 80V EMD, SOT-563 - 1.2V 6 3.5pF - +150 °C 1.7mm 1.3mm
全新
RS庫存編號 184-1012
製造零件編號MMDL914T1G
HK$0.186
個 (在毎卷:3000)
單位
Single 200mA Surface Mount 1 100V SOD-323 - - 2 4pF -55 °C +150 °C 1.8mm 1.35mm
RS庫存編號 170-8052
製造零件編號BAV199,235
BrandNexperia
HK$0.271
個 (在毎卷:10000)
單位
- 140mA Surface Mount 2 75V SOT-23 - - 3 2pF - +150 °C 3mm 1.4mm