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. 131-4637
Mfr. Part No.DTC023JEBTL
BrandROHM
SGD0.038
Each (In a Pack of 200)
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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. 823-2851
Mfr. Part No.DDTC114EUA-7-F
SGD0.054
Each (In a Pack of 200)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 30 200 mW Single - 40 V
RS Stock No. 751-3897
Mfr. Part No.DDTC114YCA-7-F
SGD0.066
Each (In a Pack of 250)
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NPN 1 70 mA - 10 kΩ - Surface Mount SOT-23 3 68 200 mW Single - -
RS Stock No. 823-2836
Mfr. Part No.DDTA114EUA-7-F
SGD0.056
Each (In a Pack of 200)
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PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 30 200 mW Single - 40 V
RS Stock No. 145-3114
Mfr. Part No.MUN5312DW1T1G
SGD0.044
Each (On a Reel of 3000)
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NPN + PNP 2 100 mA 50 V 22 kΩ - Surface Mount SOT-363 (SC-88) 6 60 - Isolated 0.25 V -
RS Stock No. 518-2725
Mfr. Part No.PDTC114EU,115
BrandNexperia
SGD0.086
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount UMT 3 30 - Single 0.15 V 10 V
RS Stock No. 781-5278
Mfr. Part No.SMMUN2111LT3G
SGD0.10
Each (In a Pack of 50)
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PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 145-3274
Mfr. Part No.MMUN2214LT1G
SGD0.019
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 122-3240
Mfr. Part No.DDTA114YCA-7-F
SGD0.024
Each (On a Reel of 3000)
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PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 68 200 mW Single - 40 V
RS Stock No. 690-0177
Mfr. Part No.MUN2233T1G
SGD0.096
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-346 (SC-59) 3 80 - Single 0.25 V -
RS Stock No. 177-7995
Mfr. Part No.UMH1NTN
BrandROHM
SGD0.088
Each (On a Reel of 3000)
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NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 163-1181
Mfr. Part No.SMMUN2111LT3G
SGD0.08
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 781-5275
Mfr. Part No.SMMUN2111LT1G
SGD0.284
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 146-7196
Mfr. Part No.DTC023EMT2L
BrandROHM
SGD0.044
Each (In a Pack of 250)
units
NPN 1 100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-723 3 20 150 mW Single - -
RS Stock No. 146-0837
Mfr. Part No.DDTC144ECA-7-F
SGD0.025
Each (On a Reel of 3000)
units
NPN 1 30 mA - 47 kΩ - Surface Mount SOT-23 3 68 200 mW Single - -
RS Stock No. 183-4751
Mfr. Part No.EMH4T2R
BrandROHM
SGD0.131
Each (In a Pack of 80)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount SOT-563 5 250 150 mW - 300 mV 5 V
RS Stock No. 146-4845
Mfr. Part No.ADTA144ECAQ-13
SGD0.066
Each (In a Pack of 100)
units
PNP 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-23 3 68 310 mW Single - -
RS Stock No. 246-1665
Mfr. Part No.DTA143EKAT146
BrandROHM
SGD0.28
Each (In a Pack of 5)
units
PNP 1 100 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 178-5836
Mfr. Part No.EMG11T2R
BrandROHM
SGD0.125
Each (In a Pack of 100)
units
- 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-553 5 80 150 mW Common Emitter - -
RS Stock No. 186-7352
Mfr. Part No.BD237G
SGD0.528
Each (In a Box of 500)
units
NPN 1 2 A 80 V dc - - Through Hole TO-225 3 25 25 W Single 0.6 V dc 5 V dc
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