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. 170-2433
Mfr. Part No.DTB114EKT146
BrandROHM
HK$0.738
Each (On a Reel of 3000)
units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 124-6532
Mfr. Part No.DTB114EKT146
BrandROHM
HK$1.821
Each (In a Pack of 50)
units
PNP 1 500 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-346 3 56 200 mW - - -
RS Stock No. 246-1693
Mfr. Part No.DTC114EKAT146
BrandROHM
HK$1.60
Each (In a Pack of 5)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 246-1867
Mfr. Part No.DTB114EKT146
BrandROHM
HK$2.942
Each (In a Pack of 5)
units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2423
Mfr. Part No.DTC114EKAT146
BrandROHM
HK$0.257
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 373-3337
Mfr. Part No.UMD12NTR
BrandROHM
HK$1.60
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
HK$1.615
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 177-8000
Mfr. Part No.UMD12NTR
BrandROHM
HK$0.471
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
HK$0.242
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 146-7052
Mfr. Part No.DTC015EMT2L
BrandROHM
HK$0.204
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 100 kΩ 100kΩ Surface Mount SOT-723 3 80 150 mW Single - -
RS Stock No. 146-7046
Mfr. Part No.DTB143ECT116
BrandROHM
HK$0.347
Each (On a Reel of 3000)
units
PNP 1 -500 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-23 3 47 200 mW Single - -
RS Stock No. 373-3624
Mfr. Part No.UMG11NTR
BrandROHM
HK$1.60
Each (In a Pack of 10)
units
NPN 2 100 mA - 2.2 kΩ - Surface Mount TUMT 5 80 - Common Emitter - -
RS Stock No. 178-5683
Mfr. Part No.DTC123JU3T106
BrandROHM
HK$0.209
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-323 3 80 200 mW Single - -
RS Stock No. 183-4732
Mfr. Part No.DTA123EU3T106
BrandROHM
HK$0.381
Each (In a Pack of 200)
units
PNP 1 -100 mA - 2.2 kΩ 2.2kΩ Surface Mount SOT-323 3 20 200 mW Single - -
RS Stock No. 183-4689
Mfr. Part No.DTC643TUT106
BrandROHM
HK$0.635
Each (On a Reel of 3000)
units
NPN 1 600 mA 20 V 4.7 kΩ - Surface Mount SC-85 3 820 200 mW Single 150 mV 12 V
RS Stock No. 373-3781
Mfr. Part No.IMB11A
BrandROHM
HK$2.109
Each (In a Pack of 10)
units
PNP - 100 mA - 10 kΩ - Surface Mount SMT 6 30 - - - -
RS Stock No. 146-7039
Mfr. Part No.DTB113ECT116
BrandROHM
HK$0.347
Each (On a Reel of 3000)
units
PNP 1 -500 mA 50 V 1 kΩ 1kΩ Surface Mount SOT-23 3 33 200 mW Single - -
RS Stock No. 146-7151
Mfr. Part No.DTA014EMT2L
BrandROHM
HK$0.33
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-723 3 35 150 mW Single - -
RS Stock No. 146-7053
Mfr. Part No.DTC015EUBTL
BrandROHM
HK$0.258
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 100 kΩ 100kΩ Surface Mount SOT-323FL 3 80 200 mW Single - -
RS Stock No. 131-4619
Mfr. Part No.DTA114EMT2L
BrandROHM
HK$0.374
Each (In a Pack of 100)
units
PNP 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SC-105AA 3 30 150 mW Common Emitter - 50 V