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. 518-3728
Mfr. Part No.PUMD15,115
BrandNexperia
$0.057
Each (In a Pack of 50)
units
NPN + PNP 2 100 mA 50 V 4.7 kΩ - Surface Mount UMT 6 30 - Isolated 0.15 V 10 V
RS Stock No. 166-0362
Mfr. Part No.PUMD15,115
BrandNexperia
$0.047
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA 50 V 4.7 kΩ - Surface Mount UMT 6 30 - Isolated 0.15 V 10 V
RS Stock No. 178-481
Mfr. Part No.DTA144EUAT106
BrandROHM
$0.101
Each (In a Pack of 10)
units
PNP 1 100 mA - 47 kΩ - Surface Mount UMT 3 68 - Single - -
RS Stock No. 178-7158
Mfr. Part No.PDTC143ZT,215
BrandNexperia
$0.041
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
$0.03
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
RS Stock No. 518-3835
Mfr. Part No.PUMH10,115
BrandNexperia
$0.078
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 2.2 kΩ - Surface Mount SOT-363 (SC-88) 6 100 - Isolated 0.1 V 10 V
RS Stock No. 166-0373
Mfr. Part No.PUMH10,115
BrandNexperia
$0.047
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 2.2 kΩ - Surface Mount SOT-363 (SC-88) 6 100 - Isolated 0.1 V 10 V
RS Stock No. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
$0.05
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
$0.292
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 246-1722
Mfr. Part No.DTA144EKAT146
BrandROHM
$0.068
Each (In a Pack of 5)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 518-2725
Mfr. Part No.PDTC114EU,115
BrandNexperia
$0.124
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. 179-1033
Mfr. Part No.PDTC143ZU,115
BrandNexperia
$0.039
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount UMT 3 100 - Single 0.1 V 10 V
RS Stock No. 170-2424
Mfr. Part No.DTA144EKAT146
BrandROHM
$0.042
Each (On a Reel of 3000)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 124-6530
Mfr. Part No.DTA144EKAT146
BrandROHM
$0.067
Each (In a Pack of 150)
units
PNP 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-346 3 68 200 mW - - -
RS Stock No. 179-1021
Mfr. Part No.PDTC114EU,115
BrandNexperia
$0.041
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount UMT 3 30 - Single 0.15 V 10 V
RS Stock No. 518-3122
Mfr. Part No.PDTC143ZU,115
BrandNexperia
$0.031
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount UMT 3 100 - Single 0.1 V 10 V
RS Stock No. 287-667
Mfr. Part No.BCR112E6327HTSA1
BrandInfineon
$0.17
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. 753-2769
Mfr. Part No.BCR562E6327HTSA1
BrandInfineon
$0.069
Each (In a Pack of 50)
units
PNP 1 500 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 60 330 mW Single 0.3 V -
RS Stock No. 911-4757
Mfr. Part No.BCR112E6327HTSA1
BrandInfineon
$0.033
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
$0.038
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
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