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. 751-3913
Mfr. Part No.DDTD113ZC-7-F
$0.149
Each (In a Pack of 100)
units
NPN 1 500 mA - 1 kΩ - Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 122-0916
Mfr. Part No.DDTD113ZC-7-F
$0.074
Each (On a Reel of 3000)
units
NPN 1 500 mA - 1 kΩ - Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 165-8600
Mfr. Part No.DDTC143ZCA-7-F
$0.054
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 200 mW Single - 30 V
RS Stock No. 165-8601
Mfr. Part No.DDTC143XCA-7-F
$0.054
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 30 200 mW Single - 20 V
RS Stock No. 146-4735
Mfr. Part No.ADTC124ECAQ-13
$0.051
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-23 3 56 310 mW Single - -
RS Stock No. 165-8602
Mfr. Part No.DDTC144EUA-7-F
$0.061
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount SOT-323 (SC-70) 3 68 200 mW Single - 40 V
RS Stock No. 146-4703
Mfr. Part No.ADTA144ECAQ-13
$0.051
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-23 3 68 310 mW Single - -
RS Stock No. 146-4814
Mfr. Part No.ADTA114EUAQ-13
$0.11
Each (In a Pack of 100)
units
PNP 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-323 (SC-70) 3 30 330 mW Single - -
RS Stock No. 146-4676
Mfr. Part No.ADTC144EUAQ-13
$0.056
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-323 (SC-70) 3 80 330 mW Single - -
RS Stock No. 823-2867
Mfr. Part No.DDTC123ECA-7-F
$0.045
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 20 200 mW Single - 12 V
RS Stock No. 822-2330
Mfr. Part No.DDC114YU-7-F
$0.19
Each (In a Pack of 100)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 68 200 mW Isolated 0.3 V 5 V
RS Stock No. 122-3241
Mfr. Part No.DDTC114YUA-7-F
$0.061
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 68 200 mW Single - 40 V
RS Stock No. 823-2864
Mfr. Part No.DDTC123YUA-7-F
$0.115
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 33 200 mW Single - 12 V
RS Stock No. 751-3897
Mfr. Part No.DDTC114YCA-7-F
$0.102
Each (In a Pack of 250)
units
NPN 1 70 mA - 10 kΩ - Surface Mount SOT-23 3 68 200 mW Single - -
RS Stock No. 165-8595
Mfr. Part No.DDTA123JCA-7-F
$0.054
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 80 200 mW Single - 12 V
RS Stock No. 146-0444
Mfr. Part No.DDTA124ECA-7-F
$0.054
Each (On a Reel of 3000)
units
PNP 1 - - 22 kΩ - Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 146-4816
Mfr. Part No.ADTC124ECAQ-13
$0.11
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-23 3 56 310 mW Single - -
RS Stock No. 823-2882
Mfr. Part No.DDTC143ZCA-7-F
$0.102
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 200 mW Single - 30 V
RS Stock No. 822-2312
Mfr. Part No.DCX114EU-7-F
$0.053
Each (In a Pack of 200)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 30 200 mW Isolated 0.3 V 5 V
RS Stock No. 146-0836
Mfr. Part No.DDTC114YCA-7-F
$0.054
Each (On a Reel of 3000)
units
NPN 1 70 mA - 10 kΩ - Surface Mount SOT-23 3 68 200 mW Single - -