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. 183-4824
Mfr. Part No.DTA123YMT2L
BrandROHM
HK$0.381
Each (In a Pack of 200)
units
PNP 1 -100 mA - 2.2 kΩ 10kΩ Surface Mount SOT-723 3 33 150 mW Single - -
RS Stock No. 131-4643
Mfr. Part No.DTC114ECAT116
BrandROHM
HK$1.04
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-23 3 30 200 mW Common Emitter - 50 V
RS Stock No. 518-2905
Mfr. Part No.PDTC123JT,215
BrandNexperia
HK$1.274
Each (In a Pack of 50)
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. 186-8925
Mfr. Part No.BSS123L
HK$1.78
Each (In a Pack of 50)
units
- 1 - - - - Surface Mount SOT-23 3 - 225 mW - - -
RS Stock No. 518-2781
Mfr. Part No.PDTC114YU,115
BrandNexperia
HK$1.274
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount UMT 3 100 - Single 0.1 V 10 V
RS Stock No. 186-8650
Mfr. Part No.MUN5215T1G
HK$1.147
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V dc 10 kΩ - Surface Mount SC-70 3 160 310 mW Single 0.25 V dc -
RS Stock No. 178-5703
Mfr. Part No.EMH1T2R
BrandROHM
HK$0.747
Each (On a Reel of 8000)
units
- 2 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-563 6 56 150 mW - - -
RS Stock No. 168-3450
Mfr. Part No.DRC3143Z0L
BrandPanasonic
HK$0.638
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SSSMini3 F2 B 3 80 100 mW Single 0.25 V -
RS Stock No. 183-4798
Mfr. Part No.DTC144WCAT116
BrandROHM
HK$0.445
Each (In a Pack of 200)
units
NPN 1 100 mA - 47 kΩ 22kΩ Surface Mount SOT-23 3 56 350 mW Single - -
RS Stock No. 145-3336
Mfr. Part No.MUN5111DW1T1G
HK$0.293
Each (On a Reel of 3000)
units
PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 35 - Isolated 0.25 V -
RS Stock No. 518-2725
Mfr. Part No.PDTC114EU,115
BrandNexperia
HK$1.274
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. 664-1262
Mfr. Part No.2SA1520-TB-E
BrandSanyo
HK$2.42
Each (In a Pack of 5)
units
PNP 1 -500 mA -50 V 2.2 kΩ - Surface Mount CP 3 50 200 mW - -0.3 V -6 V
RS Stock No. 124-6558
Mfr. Part No.DTC143EMT2L
BrandROHM
HK$0.914
Each (In a Pack of 150)
units
NPN 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SC-105AA 3 68 150 mW - - -
RS Stock No. 246-1788
Mfr. Part No.DTC143ZKAT146
BrandROHM
HK$1.598
Each (In a Pack of 5)
units
NPN 1 100 mA - 4.7 kΩ 47kΩ Surface Mount SMT 3 80 - Single - -
RS Stock No. 165-9833
Mfr. Part No.PDTC123YU,115
BrandNexperia
HK$0.201
Each (On a Reel of 12000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 35 200 mW Single 0.15 V 5 V
RS Stock No. 186-8859
Mfr. Part No.BC807-25WT1G
HK$0.411
Each (In a Pack of 100)
units
PNP 1 -500 mA -45 V - - Surface Mount SC-70 3 160 460 mW Single -0.7 V -5 V
RS Stock No. 484-3621
Mfr. Part No.PUMH11,115
BrandNexperia
HK$1.882
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount UMT 6 30 - Isolated 0.15 V 10 V
RS Stock No. 146-7106
Mfr. Part No.DTC023EUBTL
BrandROHM
HK$0.604
Each (In a Pack of 250)
units
NPN 1 100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-323FL 3 20 200 mW Single - -
RS Stock No. 166-0361
Mfr. Part No.PUMB2,115
BrandNexperia
HK$0.462
Each (On a Reel of 3000)
units
PNP 2 100 mA 50 V 47 kΩ - Surface Mount UMT 6 80 - Isolated 0.15 V 5 V
RS Stock No. 183-4633
Mfr. Part No.DTA113ZETL
BrandROHM
HK$0.208
Each (On a Reel of 3000)
units
PNP 1 -100 mA - 1 kΩ 10kΩ Surface Mount SOT-416 3 33 150 mW Single - -
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