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. 805-4478
Mfr. Part No.SMUN5235T1G
HK$0.737
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. 162-9265
Mfr. Part No.SMUN5235T1G
HK$0.407
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. 792-1061
Mfr. Part No.PDTB123YT,215
BrandNexperia
HK$0.575
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$1.60
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$1.821
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$2.942
Each (In a Pack of 5)
units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2423
Mfr. Part No.DTC114EKAT146
BrandROHM
HK$0.257
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 170-2433
Mfr. Part No.DTB114EKT146
BrandROHM
HK$0.738
Each (On a Reel of 3000)
units
PNP 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 122-0916
Mfr. Part No.DDTD113ZC-7-F
HK$0.337
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. 791-6034
Mfr. Part No.DTC114EET1G
HK$0.373
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. 373-3337
Mfr. Part No.UMD12NTR
BrandROHM
HK$1.60
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 463-101
Mfr. Part No.MMUN2216LT1G
HK$0.252
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. 145-4090
Mfr. Part No.MMUN2216LT1G
HK$0.131
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$1.615
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 177-8000
Mfr. Part No.UMD12NTR
BrandROHM
HK$0.471
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA - 47 kΩ - Surface Mount UMT 6 68 - Isolated - -
RS Stock No. 751-3913
Mfr. Part No.DDTD113ZC-7-F
HK$0.463
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. 826-9888
Mfr. Part No.BCR108E6327HTSA1
BrandInfineon
HK$0.264
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. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
HK$0.242
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 145-4083
Mfr. Part No.DTC114EET1G
HK$0.159
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 -
New
RS Stock No. 186-7398
Mfr. Part No.FQB5N90TM
HK$9.475
Each (On a Reel of 800)
units
- 1 - - - - Surface Mount D2PAK 2 + Tab - 158 W - - -
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