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. 146-7299
Mfr. Part No.DTD114ECT116
BrandROHM
HK$0.559
Each (In a Pack of 200)
units
NPN 1 500 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-23 3 56 200 mW Single - -
RS Stock No. 690-0209
Mfr. Part No.MUN5314DW1T1G
HK$1.00
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 80 - Isolated 0.25 V -
RS Stock No. 183-4873
Mfr. Part No.IMD6AT108
BrandROHM
HK$0.826
Each (In a Pack of 60)
units
- 2 -100 (PNP) mA, 100 (NPN) mA -50 (PNP) V, 50 (NPN) V 4.7 kΩ - Surface Mount SOT-457 5 100 300 mW - 300 mV -5 V
RS Stock No. 146-7074
Mfr. Part No.DTD114ECT116
BrandROHM
HK$0.347
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-23 3 56 200 mW Single - -
New
RS Stock No. 186-7142
Mfr. Part No.BSS123L
HK$0.331
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-23 3 - 225 mW - - -
New
RS Stock No. 186-7158
Mfr. Part No.FDY101PZ
HK$1.112
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-523FL 3 - 625 W - - -
RS Stock No. 131-4648
Mfr. Part No.DTC115ECAT116
BrandROHM
HK$0.366
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 100 kΩ 100kΩ Surface Mount SOT-23 3 82 200 mW Common Emitter - 50 V
RS Stock No. 183-4861
Mfr. Part No.DTC114TEBTL
BrandROHM
HK$0.381
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416FL 3 100 150 mW Single 300 mV 5 V
RS Stock No. 177-8005
Mfr. Part No.UMG5NTR
BrandROHM
HK$0.471
Each (On a Reel of 3000)
units
NPN 2 100 mA - 10 kΩ - Surface Mount TUMT 5 68 - Common Emitter - -
RS Stock No. 110-7764
Mfr. Part No.BCR166E6327HTSA1
BrandInfineon
HK$0.348
Each (In a Pack of 500)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 5 V
RS Stock No. 183-4771
Mfr. Part No.FMA4AT148
BrandROHM
HK$0.889
Each (In a Pack of 60)
units
PNP 2 -100 mA -50 V 10 kΩ - Surface Mount SOT-25 5 100 300 mW Common Emitter -300 mV -5 V
New
RS Stock No. 186-7372
Mfr. Part No.BU406G
HK$8.256
Each (In a Tube of 50)
units
NPN 1 7 A 400 V dc - - Through Hole TO-220 3 - 60 W Single 1 V dc 6 V
RS Stock No. 166-0604
Mfr. Part No.PEMD3,115
BrandNexperia
HK$0.361
Each (On a Reel of 4000)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini 6 30 - Isolated 0.15 V 10 V
RS Stock No. 246-1895
Mfr. Part No.DTD113ZKT146
BrandROHM
HK$31.92
Each (In a Pack of 5)
units
NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-346 (SC-59) 3 82 200 mW Single - -
RS Stock No. 710-6130
Mfr. Part No.DRA2522J0L
BrandPanasonic
$17.84
Each (In a Pack of 20)
units
PNP 1 500 mA 50 V 270 Ω - Surface Mount Mini3 G3 B 3 20 200 mW Single 0.25 V -
RS Stock No. 166-0368
Mfr. Part No.PDTC115EU,115
BrandNexperia
HK$0.131
Each (On a Reel of 3000)
units
NPN 1 20 mA 50 V 100 kΩ - Surface Mount UMT 3 80 - Single 0.15 V 10 V
RS Stock No. 168-3435
Mfr. Part No.DRA9124E0L
BrandPanasonic
HK$0.638
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 22 kΩ - Surface Mount SSMini3 F3 B 3 60 125 mW Single 0.25 V -
RS Stock No. 183-4671
Mfr. Part No.DTC115TMT2L
BrandROHM
HK$0.337
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 100 kΩ - Surface Mount SOT-723 3 100 150 mW Single 300 mV 5 V
RS Stock No. 179-1027
Mfr. Part No.PDTC124TT,215
BrandNexperia
HK$0.154
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 22 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.15 V 5 V
RS Stock No. 170-4866
Mfr. Part No.PEMH9,115
BrandNexperia
HK$0.325
Each (On a Reel of 4000)
units
NPN 2 100 mA 50 V 10 kΩ 13kΩ Surface Mount SOT-666 6 100 200 mW - 0.1 V 6 V
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