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. 178-532
Mfr. Part No.DTA123EKAT146
BrandROHM
SGD0.114
Each (In a Pack of 10)
units
PNP 1 100 mA - 2.2 kΩ - Surface Mount SMT 3 20 - Single - -
RS Stock No. 177-7997
Mfr. Part No.UMH11NTN
BrandROHM
SGD0.088
Each (On a Reel of 3000)
units
NPN 2 100 mA - 10 kΩ 10kΩ Surface Mount UMT 6 30 - Isolated - -
RS Stock No. 826-8513
Mfr. Part No.FMA5AT148
BrandROHM
SGD0.191
Each (In a Pack of 60)
units
PNP 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SC-74A 5 80 300 mW Common Emitter - 5 V
RS Stock No. 373-3236
Mfr. Part No.UMH11NTN
BrandROHM
SGD0.204
Each (In a Pack of 10)
units
NPN 2 100 mA - 10 kΩ 10kΩ Surface Mount UMT 6 30 - Isolated - -
RS Stock No. 246-1722
Mfr. Part No.DTA144EKAT146
BrandROHM
SGD0.066
Each (In a Pack of 5)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 124-6559
Mfr. Part No.DTC143XKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 4.7 kΩ 10kΩ Surface Mount SOT-346 3 30 200 mW - - -
RS Stock No. 124-6530
Mfr. Part No.DTA144EKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
PNP 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-346 3 68 200 mW - - -
RS Stock No. 170-2424
Mfr. Part No.DTA144EKAT146
BrandROHM
SGD0.043
Each (On a Reel of 3000)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 246-1902
Mfr. Part No.DTB123YKT146
BrandROHM
SGD0.192
Each (In a Pack of 5)
units
PNP 1 500 mA - 2.2 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2435
Mfr. Part No.DTB123YKT146
BrandROHM
SGD0.138
Each (On a Reel of 3000)
units
PNP 1 500 mA - 2.2 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 131-4635
Mfr. Part No.DTC014YEBTL
BrandROHM
SGD0.038
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-416FL 3 80 150 mW Common Emitter - 50 V
RS Stock No. 170-2432
Mfr. Part No.DTB143EKT146
BrandROHM
SGD0.138
Each (On a Reel of 3000)
units
PNP 1 500 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 47 - Single - -
RS Stock No. 246-1845
Mfr. Part No.DTB143EKT146
BrandROHM
SGD0.192
Each (In a Pack of 5)
units
PNP 1 500 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 47 - Single - -
RS Stock No. 177-7995
Mfr. Part No.UMH1NTN
BrandROHM
SGD0.088
Each (On a Reel of 3000)
units
NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 178-374
Mfr. Part No.DTA114EETL
BrandROHM
SGD0.112
Each (In a Pack of 10)
units
PNP 1 100 mA - 10 kΩ - Surface Mount EMT 3 30 - Single - -
RS Stock No. 124-6555
Mfr. Part No.DTC124EKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-346 3 56 200 mW - - -
RS Stock No. 131-4637
Mfr. Part No.DTC023JEBTL
BrandROHM
SGD0.038
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-723 3 80 150 mW Common Emitter - 50 V
RS Stock No. 124-6527
Mfr. Part No.DTA123JKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
PNP 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-346 3 80 200 mW - - -
RS Stock No. 373-3185
Mfr. Part No.UMH1NTN
BrandROHM
SGD0.30
Each (In a Pack of 10)
units
NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 177-8000
Mfr. Part No.UMD12NTR
BrandROHM
SGD0.088
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -