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. 145-3515
Mfr. Part No.MMUN2211LT3G
$0.027
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. 545-2535
Mfr. Part No.MMUN2211LT1G
$0.179
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. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
$0.321
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 145-3097
Mfr. Part No.MMUN2211LT1G
$0.032
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. 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. 690-0145
Mfr. Part No.MMUN2211LT3G
$0.177
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. 751-3913
Mfr. Part No.DDTD113ZC-7-F
$0.149
Each (In a Pack of 100)
units
NPN 1 500 mA - 1 kΩ - Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 122-0916
Mfr. Part No.DDTD113ZC-7-F
$0.074
Each (On a Reel of 3000)
units
NPN 1 500 mA - 1 kΩ - Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 518-2725
Mfr. Part No.PDTC114EU,115
BrandNexperia
$0.137
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. 826-8522
Mfr. Part No.IMD16AT108
BrandROHM
$0.24
Each (In a Pack of 40)
units
NPN + PNP 2 100 mA, 500 mA 50 V 2.2 kΩ None Surface Mount SC-74 6 100 300 mW Isolated 0.3 V 5 V
RS Stock No. 179-1021
Mfr. Part No.PDTC114EU,115
BrandNexperia
$0.048
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. 816-6704
Mfr. Part No.PDTC123YT,215
BrandNexperia
$0.148
Each (On a Tape of 250)
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. 781-5278
Mfr. Part No.SMMUN2111LT3G
$0.404
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 246-1693
Mfr. Part No.DTC114EKAT146
BrandROHM
$0.322
Each (In a Pack of 5)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 145-4134
Mfr. Part No.SMMUN2111LT1G
$0.102
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 246-1873
Mfr. Part No.DTD114EKT146
BrandROHM
$0.498
Each (In a Pack of 5)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 178-374
Mfr. Part No.DTA114EETL
BrandROHM
$0.351
Each (In a Pack of 10)
units
PNP 1 100 mA - 10 kΩ - Surface Mount EMT 3 30 - Single - -
RS Stock No. 170-2434
Mfr. Part No.DTD114EKT146
BrandROHM
$0.171
Each (On a Reel of 3000)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 163-1181
Mfr. Part No.SMMUN2111LT3G
$0.09
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 170-2423
Mfr. Part No.DTC114EKAT146
BrandROHM
$0.051
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
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