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. 178-5672
Mfr. Part No.DTA143EMT2L
BrandROHM
SGD0.041
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PNP 1 -100 mA -50 V 4.7 kΩ 4.7kΩ Surface Mount SC-105AA 3 30 150 mW Single - -
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RS Stock No. 186-8948
Mfr. Part No.J175-D26Z
SGD0.605
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- 1 - - - - Through Hole TO-92 3 - 350 mW Single - -
RS Stock No. 146-4735
Mfr. Part No.ADTC124ECAQ-13
SGD0.046
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NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-23 3 56 310 mW Single - -
New
RS Stock No. 186-8069
Mfr. Part No.CPH6354-TL-W
SGD0.646
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- 1 - - - - Surface Mount CPH6 6 - 1.6 W - - -
RS Stock No. 146-7100
Mfr. Part No.DTC015EUBTL
BrandROHM
SGD0.038
Each (In a Pack of 250)
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NPN 1 100 mA 50 V 100 kΩ 100kΩ Surface Mount SOT-323FL 3 80 200 mW Single - -
RS Stock No. 707-4235
Mfr. Part No.DRC9143X0L
BrandPanasonic
SGD0.116
Each (In a Pack of 25)
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NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SSMini3 F3 B 3 30 125 mW Single 0.25 V -
New
RS Stock No. 186-7429
Mfr. Part No.NTHD3100CT1G
SGD0.356
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- 2 - - - - Surface Mount ChipFET 8 - 1.1 W - - -
RS Stock No. 146-7040
Mfr. Part No.DTB113ZCT116
BrandROHM
SGD0.067
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PNP 1 -500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 484-3621
Mfr. Part No.PUMH11,115
BrandNexperia
SGD0.213
Each (In a Pack of 50)
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NPN 2 100 mA 50 V 10 kΩ - Surface Mount UMT 6 30 - Isolated 0.15 V 10 V
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RS Stock No. 186-8770
Mfr. Part No.MMBF0201NLT1G
SGD0.474
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- 1 - - - - Surface Mount SOT-23 3 - 225 mW Single - -
RS Stock No. 183-5091
Mfr. Part No.UMH10NTN
BrandROHM
SGD0.071
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NPN 2 100 mA - 2.2 kΩ 47kΩ Surface Mount SOT-363 6 80 150 mW - - -
RS Stock No. 178-5968
Mfr. Part No.DTB123TKT146
BrandROHM
SGD0.185
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PNP 1 -500 mA -40 V 2.2 kΩ - Surface Mount SOT-346 3 100 200 mW Single -300 mV -5 V
RS Stock No. 131-4659
Mfr. Part No.DTC143TCAT116
BrandROHM
SGD0.064
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NPN 1 100 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-23 3 100 200 mW - 0.3 V 5 V
RS Stock No. 177-8005
Mfr. Part No.UMG5NTR
BrandROHM
SGD0.088
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NPN 2 100 mA - 10 kΩ - Surface Mount TUMT 5 68 - Common Emitter - -
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RS Stock No. 186-8443
Mfr. Part No.FDG6321C
SGD0.62
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- 2 - - - - Surface Mount SC-70 6 - 300 mW - - -
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RS Stock No. 186-7398
Mfr. Part No.FQB5N90TM
SGD1.774
Each (On a Reel of 800)
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- 1 - - - - Surface Mount D2PAK 2 + Tab - 158 W - - -
RS Stock No. 151-2824
Mfr. Part No.PDTA123YT,215
BrandNexperia
SGD0.038
Each (In a Pack of 250)
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PNP 1 -100 mA -50 V 2.2 kΩ 10kΩ Surface Mount SOT 3 35 250 mW Single -150 mV -
RS Stock No. 166-1339
Mfr. Part No.PDTD123ET,215
BrandNexperia
SGD0.049
Each (On a Reel of 3000)
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NPN 1 500 mA 50 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 40 - Single 0.3 V 10 V
RS Stock No. 166-1354
Mfr. Part No.PDTD113ET,215
BrandNexperia
SGD0.049
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NPN 1 500 mA 50 V 1 kΩ - Surface Mount SOT-23 (TO-236AB) 3 33 - Single 0.3 V 10 V
RS Stock No. 146-7205
Mfr. Part No.DTA015TMT2L
BrandROHM
SGD0.062
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PNP 1 -100 mA 50 V 100 kΩ - Surface Mount SOT-723 3 100 150 mW Single -0.25 V -5 V
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