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. 186-8682
Mfr. Part No.MMUN2234LT1G
HK$0.331
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V dc - - Surface Mount SOT-23 3 80 400 mW Single 0.25 V dc -
RS Stock No. 186-8585
Mfr. Part No.NSS40200LT1G
HK$2.699
Each (In a Pack of 25)
units
PNP 1 -2 A -40 V dc - - Surface Mount SOT-23 3 150 540 mW Single -0.17 V -7 V dc
RS Stock No. 186-8689
Mfr. Part No.PCP1302-TD-H
HK$3.761
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount SOT-89 3 + Tab - 3.5 W - - -
RS Stock No. 146-7196
Mfr. Part No.DTC023EMT2L
BrandROHM
HK$0.478
Each (In a Pack of 250)
units
NPN 1 100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-723 3 20 150 mW Single - -
RS Stock No. 518-3065
Mfr. Part No.PDTC143TU,115
BrandNexperia
HK$1.274
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount UMT 3 200 - Single 0.1 V 5 V
RS Stock No. 715-9639
Mfr. Part No.DMA961040R
BrandPanasonic
HK$2.383
Each (In a Pack of 10)
units
PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini5 F4 B 5 80 125 mW Common Emitter 0.25 V -
RS Stock No. 146-7063
Mfr. Part No.DTC043EMT2L
BrandROHM
HK$0.218
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-723 3 3.29 150 mW Single - -
RS Stock No. 131-4658
Mfr. Part No.DTC143EUBTL
BrandROHM
HK$0.495
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SC-85 3 30 200 mW Common Emitter - 50 V
RS Stock No. 823-2889
Mfr. Part No.DDTC143XCA-7-F
HK$0.503
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 30 200 mW Single - 20 V
RS Stock No. 183-4855
Mfr. Part No.IMB11AT110
BrandROHM
HK$0.953
Each (In a Pack of 60)
units
PNP 2 -100 mA - 10 kΩ 10kΩ Surface Mount SOT-457 5 30 300 mW - - -
RS Stock No. 133-2968
Mfr. Part No.DTC144ECAT116
BrandROHM
HK$0.52
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-23 3 68 200 mW Single - 50 V
RS Stock No. 186-8971
Mfr. Part No.BVSS123LT1G
HK$2.424
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount SOT-23 3 - 225 mW - - -
RS Stock No. 518-3790
Mfr. Part No.PUMD9,115
BrandNexperia
HK$1.92
Each (In a Pack of 50)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount UMT 6 100 - Isolated 0.1 V 10 V
RS Stock No. 246-1889
Mfr. Part No.DTB113ZKT146
BrandROHM
HK$3.774
Each (In a Pack of 5)
units
PNP 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-346 (SC-59) 3 56 200 mW Single - -
RS Stock No. 484-3441
Mfr. Part No.PDTA114ET,215
BrandNexperia
HK$1.274
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 (TO-236AB) 3 30 - Single 0.15 V 10 V
RS Stock No. 122-3239
Mfr. Part No.DDTC113TCA-7-F
HK$0.269
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 1 kΩ - Surface Mount SOT-23 3 100 200 mW Single 0.3 V 5 V
RS Stock No. 179-1034
Mfr. Part No.PDTC144TU,115
BrandNexperia
HK$0.235
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount UMT 3 100 - Single 0.15 V 5 V
RS Stock No. 186-7388
Mfr. Part No.FDP083N15A-F102
HK$27.418
Each (In a Tube of 50)
units
- 1 - - - - Through Hole TO-220 3 - 294 W - - -
RS Stock No. 178-5706
Mfr. Part No.EMH9T2R
BrandROHM
HK$1.00
Each (On a Reel of 8000)
units
- 2 100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-563 6 68 150 mW - - -
RS Stock No. 186-8604
Mfr. Part No.MUN5214T1G
HK$0.39
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V dc 10 kΩ 47kΩ Surface Mount SC-70 3 80 310 mW Single 0.25 V dc -
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