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. 145-3112
Mfr. Part No.MUN2211T1G
SGD0.032
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-346 (SC-59) 3 35 - Single 0.25 V -
RS Stock No. 124-6527
Mfr. Part No.DTA123JKAT146
BrandROHM
SGD0.142
Each (In a Pack of 150)
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PNP 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-346 3 80 200 mW - - -
RS Stock No. 121-9619
Mfr. Part No.DDTC114EUA-7-F
SGD0.053
Each (On a Reel of 3000)
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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
SGD0.088
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. 145-3113
Mfr. Part No.MUN2111T1G
SGD0.032
Each (On a Reel of 3000)
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PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-346 (SC-59) 3 35 - Single 0.25 V -
RS Stock No. 823-2832
Mfr. Part No.DDTA114ECA-7-F
SGD0.088
Each (In a Pack of 200)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 30 200 mW Single - 40 V
RS Stock No. 373-3185
Mfr. Part No.UMH1NTN
BrandROHM
SGD0.388
Each (In a Pack of 10)
units
NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 752-8050
Mfr. Part No.BCR503E6327HTSA1
BrandInfineon
SGD0.217
Each (In a Pack of 50)
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NPN 1 500 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 40 330 mW Single 0.3 V -
RS Stock No. 463-101
Mfr. Part No.MMUN2216LT1G
SGD0.055
Each (In a Pack of 200)
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NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
RS Stock No. 145-4134
Mfr. Part No.SMMUN2111LT1G
SGD0.088
Each (On a Reel of 3000)
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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. 145-8769
Mfr. Part No.BCR116E6327HTSA1
BrandInfineon
SGD0.047
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 5 V
RS Stock No. 163-1181
Mfr. Part No.SMMUN2111LT3G
SGD0.08
Each (On a Reel of 10000)
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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. 177-8000
Mfr. Part No.UMD12NTR
BrandROHM
SGD0.125
Each (On a Reel of 3000)
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NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 183-4785
Mfr. Part No.DTA143XUBTL
BrandROHM
SGD0.087
Each (In a Pack of 200)
units
PNP 1 -100 mA - 4.7 kΩ 10kΩ Surface Mount SOT-323FL 3 30 200 mW Single - -
RS Stock No. 168-3358
Mfr. Part No.DRC5114Y0L
BrandPanasonic
SGD0.109
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SMini3 F2 B 3 80 - Single 0.25 V 6 V
RS Stock No. 186-7364
Mfr. Part No.BD810G
SGD1.422
Each (In a Tube of 50)
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PNP 1 10 A 80 V dc - - Through Hole TO-220 3 15 90 W Single 1.1 V dc 5 V dc
RS Stock No. 179-1102
Mfr. Part No.PDTC123YT,215
BrandNexperia
SGD0.041
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 35 250 mW Single 0.15 V 5 V
RS Stock No. 186-9016
Mfr. Part No.FDG6304P
SGD0.654
Each (In a Pack of 25)
units
- 2 - - - - Surface Mount SC-70 6 - 300 mW - - -
RS Stock No. 153-2855
Mfr. Part No.PBRN123ET,215
BrandNexperia
SGD0.075
Each (On a Reel of 3000)
units
NPN 1 600 mA 40 V 2.2 kΩ 2.2kΩ Surface Mount SOT-23, TO-236AB 3 70 570 mW Single 1.15 V 10 V
RS Stock No. 713-2741
Mfr. Part No.DMA5610H0R
BrandPanasonic
SGD0.157
Each (In a Pack of 20)
units
PNP 2 100 mA 50 V 2.2 kΩ - Surface Mount SMini5 F3 B 5 30 150 mW Common Emitter 0.25 V -
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