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. 166-0362
Mfr. Part No.PUMD15,115
BrandNexperia
$0.063
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. 518-3728
Mfr. Part No.PUMD15,115
BrandNexperia
$0.281
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. 484-3485
Mfr. Part No.PDTC143ZT,215
BrandNexperia
$0.25
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. 178-7158
Mfr. Part No.PDTC143ZT,215
BrandNexperia
$0.046
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. 178-481
Mfr. Part No.DTA144EUAT106
BrandROHM
$0.269
Each (In a Pack of 10)
units
PNP 1 100 mA - 47 kΩ - Surface Mount UMT 3 68 - Single - -
RS Stock No. 518-3835
Mfr. Part No.PUMH10,115
BrandNexperia
$0.281
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
$0.054
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. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
$0.355
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
$0.078
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 179-1033
Mfr. Part No.PDTC143ZU,115
BrandNexperia
$0.046
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. 124-6530
Mfr. Part No.DTA144EKAT146
BrandROHM
$0.09
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
$0.046
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. 246-1722
Mfr. Part No.DTA144EKAT146
BrandROHM
$0.358
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
$0.238
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. 518-3122
Mfr. Part No.PDTC143ZU,115
BrandNexperia
$0.238
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. 165-7540
Mfr. Part No.BCR562E6327HTSA1
BrandInfineon
$0.06
Each (On a Reel of 3000)
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. 124-6557
Mfr. Part No.DTC143EKAT146
BrandROHM
$0.09
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-346 3 30 200 mW - - -
RS Stock No. 792-1061
Mfr. Part No.PDTB123YT,215
BrandNexperia
$0.174
Each (On a Tape of 100)
units
PNP 1 - 50 V 2.2 kΩ - Surface Mount SOT-23 3 70 250 mW Single 0.3 V 5 V
RS Stock No. 246-1671
Mfr. Part No.DTC143EKAT146
BrandROHM
$0.326
Each (In a Pack of 5)
units
NPN 1 100 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 166-0358
Mfr. Part No.PBLS1503Y,115
BrandNexperia
$0.13
Each (On a Reel of 3000)
units
NPN + PNP 2 500 mA 15 V, 50 V 10 kΩ - Surface Mount UMT 6 30 - N+P Loadswitch 0.15 V -
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