Digital Transistors

Digital transistors are discrete semiconductors that are used to amplify electronic signals and electrical power. They take in a tiny electric current at one end of your circuit (an input current) and produce a much bigger electric current at the other end (an output current). In other words, they're a kind of current booster.

How do digital transistors work?

Digital transistors are made of a semiconductor material, usually silicon, which conducts the current (or electricity) with little resistance. They also tend to have at least three terminals for easy connection to an external circuit.

They can also work asswitches.A tiny electric current flowing through one part of a transistor can make a much bigger current flow through another part of it. In other words, the small current can switch on the larger one.

The benefits of using a digital transistor include:

  • a reduction in system cost
  • simplifies your circuit design
  • reduces circuit board space
  • reduces component count

Applications for digital transistors

Digital transistors can be used in several applications including:

  • Control of IC inputs
  • Automotive applications
  • Switching loads
  • Inverter circuits
  • Interface circuits
  • Driver circuits

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Description Price Transistor Type Number of Elements per Chip Maximum Continuous Collector Current Maximum Collector Emitter Voltage Typical Input Resistor Base-Emitter Resistor Mounting Type Package Type Pin Count Minimum DC Current Gain Maximum Power Dissipation Transistor Configuration Maximum Collector Emitter Saturation Voltage Maximum Emitter Base Voltage
RS Stock No. 162-9265
Mfr. Part No.SMUN5235T1G
HK$0.359
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 805-4478
Mfr. Part No.SMUN5235T1G
HK$0.676
Each (On a Tape of 100)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 463-101
Mfr. Part No.MMUN2216LT1G
HK$0.252
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
RS Stock No. 791-6034
Mfr. Part No.DTC114EET1G
HK$0.373
Each (On a Tape of 200)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416 (SC-75) 3 35 338 mW Single 0.25 V -
RS Stock No. 145-4083
Mfr. Part No.DTC114EET1G
HK$0.159
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416 (SC-75) 3 35 338 mW Single 0.25 V -
RS Stock No. 145-4090
Mfr. Part No.MMUN2216LT1G
HK$0.131
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
New
RS Stock No. 186-8631
Mfr. Part No.NVTR4502PT1G
HK$3.003
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount SOT-23 3 - 1.25 W - - -
RS Stock No. 690-0189
Mfr. Part No.MUN5116DW1T1G
HK$1.41
Each (In a Pack of 25)
units
PNP 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 (SC-88) 6 160 - Isolated 0.25 V -
RS Stock No. 802-1941
Mfr. Part No.MUN5237DW1T1G
HK$1.333
Each (In a Pack of 50)
units
NPN 2 - 50 V 47 kΩ - Surface Mount SOT-363 (SC-88) 6 80 385 mW Isolated 0.25 V -
RS Stock No. 690-0173
Mfr. Part No.MUN2232T1G
HK$0.726
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-346 (SC-59) 3 15 - Single 0.25 V -
New
RS Stock No. 186-8184
Mfr. Part No.TIP106G
HK$6.264
Each (In a Pack of 10)
units
PNP 1 8 A 80 V dc - - Through Hole TO-220 3 200 80 W Single 2.5 V dc 5 V dc
RS Stock No. 146-2027
Mfr. Part No.FJV3114RMTF
HK$0.17
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 68 200 mW Single 0.3 V 10 V
RS Stock No. 690-0209
Mfr. Part No.MUN5314DW1T1G
HK$1.00
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 80 - Isolated 0.25 V -
New
RS Stock No. 186-7142
Mfr. Part No.BSS123L
HK$0.331
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-23 3 - 225 mW - - -
New
RS Stock No. 186-7158
Mfr. Part No.FDY101PZ
HK$1.112
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-523FL 3 - 625 W - - -
New
RS Stock No. 186-7372
Mfr. Part No.BU406G
HK$8.256
Each (In a Tube of 50)
units
NPN 1 7 A 400 V dc - - Through Hole TO-220 3 - 60 W Single 1 V dc 6 V
RS Stock No. 145-3961
Mfr. Part No.DTC114EM3T5G
HK$0.297
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-723 3 35 600 mW Single 0.25 V 6 V
New
RS Stock No. 186-7143
Mfr. Part No.BVSS123LT1G
HK$0.733
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-23 3 - 225 mW - - -
New
RS Stock No. 186-7159
Mfr. Part No.FJN3305RTA
HK$0.355
Each (On a Tape of 2000)
units
NPN 1 100 mA 50 V 4.7 kΩ 10kΩ Through Hole TO-92 3 30 300 mW Single 0.3 V 10 V
New
RS Stock No. 186-7168
Mfr. Part No.KSD5041QTA
HK$0.71
Each (On a Tape of 2000)
units
NPN 1 5 A 20 V - - Through Hole TO-92 3 150 750 mW Single 1 V 7 V