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. 287-667
Mfr. Part No.BCR112E6327HTSA1
BrandInfineon
£0.20
Each (In a Pack of 10)
Units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 20 - Single 0.3 V -
RS Stock No. 911-4757
Mfr. Part No.BCR112E6327HTSA1
BrandInfineon
£0.019
Each (On a Reel of 3000)
Units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 20 200 mW Single 0.3 V 10 V
RS Stock No. 166-3653
Mfr. Part No.FJN3303RTA
£0.019
Each (On a Tape of 2000)
Units
NPN 1 100 mA 50 V 22 kΩ - Through Hole TO-92 3 56 300 mW Single 0.3 V 10 V
RS Stock No. 807-0877
Mfr. Part No.FJN3303RTA
£0.048
Each (In a Pack of 200)
Units
NPN 1 100 mA 50 V 22 kΩ - Through Hole TO-92 3 56 300 mW Single 0.3 V 10 V
RS Stock No. 124-6532
Mfr. Part No.DTB114EKT146
BrandROHM
£0.223
Each (In a Pack of 50)
Units
PNP 1 500 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-346 3 56 200 mW - - -
RS Stock No. 246-1867
Mfr. Part No.DTB114EKT146
BrandROHM
£0.40
Each (In a Pack of 5)
Units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2433
Mfr. Part No.DTB114EKT146
BrandROHM
£0.067
Each (On a Reel of 3000)
Units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 545-2535
Mfr. Part No.MMUN2211LT1G
£0.075
Each (In a Pack of 50)
Units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 145-3515
Mfr. Part No.MMUN2211LT3G
£0.012
Each (On a Reel of 10000)
Units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 145-3097
Mfr. Part No.MMUN2211LT1G
£0.014
Each (On a Reel of 3000)
Units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 690-0145
Mfr. Part No.MMUN2211LT3G
£0.08
Each (In a Pack of 25)
Units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 246-1693
Mfr. Part No.DTC114EKAT146
BrandROHM
£0.40
Each (In a Pack of 5)
Units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 170-2423
Mfr. Part No.DTC114EKAT146
BrandROHM
£0.023
Each (On a Reel of 3000)
Units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 124-6544
Mfr. Part No.DTC114EKAT146
BrandROHM
£0.047
Each (In a Pack of 150)
Units
NPN 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-346 3 30 200 mW - - -
RS Stock No. 690-0133
Mfr. Part No.MMUN2113LT3G
£0.083
Each (In a Pack of 25)
Units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 163-2537
Mfr. Part No.MMUN2113LT3G
£0.013
Each (On a Reel of 10000)
Units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 145-3111
Mfr. Part No.MMUN2113LT1G
£0.014
Each (On a Reel of 3000)
Units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 690-0139
Mfr. Part No.MMUN2113LT1G
£0.083
Each (In a Pack of 25)
Units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
New
RS Stock No. 178-7158
Mfr. Part No.PDTC143ZT,215
BrandNexperia
£0.015
Each (On a Reel of 3000)
Units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
RS Stock No. 484-3485
Mfr. Part No.PDTC143ZT,215
BrandNexperia
£0.04
Each (In a Pack of 50)
Units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
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Resistor-equipped bipolar transistors, also known as “Digital Transistors” ...
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Resistor-equipped bipolar transistors, also known as “Digital Transistors” or “Bias Resistor Transistors”, incorporating one or two integrated resistors. A single series input resistor, or a potential divider of two resistors, allows these devices to be directly driven from digital sources. Both single and dual transistor versions are available.
Resistor-equipped bipolar transistors, also known as “Digital Transistors” ...
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