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. 170-2435
Mfr. Part No.DTB123YKT146
BrandROHM
SGD0.138
Each (On a Reel of 3000)
units
PNP 1 500 mA - 2.2 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 166-0267
Mfr. Part No.PDTC123JT,215
BrandNexperia
SGD0.021
Each (On a Reel of 12000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
RS Stock No. 246-1902
Mfr. Part No.DTB123YKT146
BrandROHM
SGD0.192
Each (In a Pack of 5)
units
PNP 1 500 mA - 2.2 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 857-8277
Mfr. Part No.BCR135E6433HTMA1
BrandInfineon
SGD0.027
Each (On a Reel of 10000)
units
NPN 1 - 50 V 10 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 6 V
RS Stock No. 145-4083
Mfr. Part No.DTC114EET1G
SGD0.023
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416 (SC-75) 3 35 338 mW Single 0.25 V -
RS Stock No. 287-695
Mfr. Part No.BCR135E6327HTSA1
BrandInfineon
SGD0.179
Each (In a Pack of 10)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 70 - Single 0.3 V -
RS Stock No. 145-3335
Mfr. Part No.MMUN2232LT1G
SGD0.019
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 15 - Single 0.25 V -
RS Stock No. 246-1722
Mfr. Part No.DTA144EKAT146
BrandROHM
SGD0.066
Each (In a Pack of 5)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 791-6034
Mfr. Part No.DTC114EET1G
SGD0.054
Each (On a Tape of 200)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416 (SC-75) 3 35 338 mW Single 0.25 V -
RS Stock No. 170-2424
Mfr. Part No.DTA144EKAT146
BrandROHM
SGD0.046
Each (On a Reel of 3000)
units
PNP 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS Stock No. 857-8286
Mfr. Part No.BCR141SH6327XTSA1
BrandInfineon
SGD0.061
Each (On a Reel of 3000)
units
NPN 2 - 50 V 22 kΩ - Surface Mount SOT-363 (SC-88) 6 50 250 mW Isolated 0.3 V 10 V
RS Stock No. 166-0946
Mfr. Part No.BCR112WH6327XTSA1
BrandInfineon
SGD0.039
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-323 (SC-70) 3 20 250 mW Single 0.3 V 10 V
RS Stock No. 124-6559
Mfr. Part No.DTC143XKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 4.7 kΩ 10kΩ Surface Mount SOT-346 3 30 200 mW - - -
RS Stock No. 690-0149
Mfr. Part No.MMUN2232LT1G
SGD0.033
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 15 - Single 0.25 V -
RS Stock No. 752-7981
Mfr. Part No.BCR116SH6327XTSA1
BrandInfineon
SGD0.104
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 (SC-88) 6 70 250 mW Isolated 0.3 V -
RS Stock No. 373-3337
Mfr. Part No.UMD12NTR
BrandROHM
SGD0.196
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 781-5278
Mfr. Part No.SMMUN2111LT3G
SGD0.10
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. 124-6555
Mfr. Part No.DTC124EKAT146
BrandROHM
SGD0.062
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-346 3 56 200 mW - - -
RS Stock No. 145-3114
Mfr. Part No.MUN5312DW1T1G
SGD0.044
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA 50 V 22 kΩ - Surface Mount SOT-363 (SC-88) 6 60 - Isolated 0.25 V -
RS Stock No. 911-4760
Mfr. Part No.BCR116SH6327XTSA1
BrandInfineon
SGD0.047
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 (SC-88) 6 70 250 mW Isolated 0.3 V -
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