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. 162-9265
Mfr. Part No.SMUN5235T1G
HK$0.366
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 805-4478
Mfr. Part No.SMUN5235T1G
HK$0.658
Each (On a Tape of 100)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 792-1061
Mfr. Part No.PDTB123YT,215
BrandNexperia
HK$1.143
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. 246-1693
Mfr. Part No.DTC114EKAT146
BrandROHM
HK$1.464
Each (In a Pack of 5)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 124-6532
Mfr. Part No.DTB114EKT146
BrandROHM
HK$2.46
Each (In a Pack of 50)
units
PNP 1 500 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-346 3 56 200 mW - - -
RS Stock No. 246-1867
Mfr. Part No.DTB114EKT146
BrandROHM
HK$3.088
Each (In a Pack of 5)
units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 826-9888
Mfr. Part No.BCR108E6327HTSA1
BrandInfineon
HK$0.26
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 5 V
RS Stock No. 463-101
Mfr. Part No.MMUN2216LT1G
HK$0.276
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
RS Stock No. 145-4083
Mfr. Part No.DTC114EET1G
HK$0.188
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. 751-3913
Mfr. Part No.DDTD113ZC-7-F
HK$0.846
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. 145-4090
Mfr. Part No.MMUN2216LT1G
HK$0.155
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
RS Stock No. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
HK$1.653
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 122-0916
Mfr. Part No.DDTD113ZC-7-F
HK$0.302
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. 373-3337
Mfr. Part No.UMD12NTR
BrandROHM
HK$2.197
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
HK$0.344
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 791-6034
Mfr. Part No.DTC114EET1G
HK$0.341
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. 186-7175
Mfr. Part No.MMBTA06WT1G
HK$0.273
Each (On a Reel of 3000)
units
NPN 1 500 mA 80 V dc - - Surface Mount SC-70 3 100 460 mW Single 0.25 V dc 4 V dc
RS Stock No. 186-7176
Mfr. Part No.MMBTH10-4LT1G
HK$0.308
Each (On a Reel of 3000)
units
NPN 1 - 25 V dc - - Surface Mount SOT-23 3 60 300 mW Single 0.5 V dc 3 V dc
RS Stock No. 146-7209
Mfr. Part No.DTA013ZMT2L
BrandROHM
HK$0.64
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-723 3 30 150 mW Single - -
RS Stock No. 165-8596
Mfr. Part No.DDTC114WCA-7-F
HK$0.274
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 24 200 mW Single - 30 V
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