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. 287-667
Mfr. Part No.BCR112E6327HTSA1
BrandInfineon
HK$2.265
Each (In a Pack of 10)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 20 - Single 0.3 V -
RS Stock No. 186-8126
Mfr. Part No.RFD3055LE
HK$5.523
Each (In a Pack of 25)
units
- 1 - - - - Through Hole TO-251AA 3 + Tab - 38 W - - -
RS Stock No. 178-374
Mfr. Part No.DTA114EETL
BrandROHM
HK$1.682
Each (In a Pack of 10)
units
PNP 1 100 mA - 10 kΩ - Surface Mount EMT 3 30 - Single - -
RS Stock No. 146-7196
Mfr. Part No.DTC023EMT2L
BrandROHM
HK$0.302
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. 168-3358
Mfr. Part No.DRC5114Y0L
BrandPanasonic
HK$0.421
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SMini3 F2 B 3 80 - Single 0.25 V 6 V
RS Stock No. 131-4658
Mfr. Part No.DTC143EUBTL
BrandROHM
HK$0.351
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. 373-3624
Mfr. Part No.UMG11NTR
BrandROHM
HK$1.60
Each (In a Pack of 10)
units
NPN 2 100 mA - 2.2 kΩ - Surface Mount TUMT 5 80 - Common Emitter - -
RS Stock No. 163-2542
Mfr. Part No.MUN2232T1G
HK$0.157
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-346 (SC-59) 3 15 - Single 0.25 V -
RS Stock No. 186-7392
Mfr. Part No.FGA15N120ANTDTU-F109
HK$18.333
Each (In a Tube of 30)
units
- 1 30 A 1200 V - - Through Hole TO-3P 3 - 186 W Single 2.4 V -
RS Stock No. 166-1339
Mfr. Part No.PDTD123ET,215
BrandNexperia
HK$0.261
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 40 - Single 0.3 V 10 V
RS Stock No. 186-7957
Mfr. Part No.MJD44H11RLG
HK$4.422
Each (In a Pack of 25)
units
NPN 1 8 A 80 V dc - - Surface Mount DPAK 2 + Tab 40 20 W Single 1 V dc 5 V dc
RS Stock No. 168-7919
Mfr. Part No.BCR133E6327HTSA1
BrandInfineon
HK$0.169
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 30 200 mW Single 0.3 V 10 V
RS Stock No. 146-7120
Mfr. Part No.DTA014YUBTL
BrandROHM
HK$0.435
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-323FL 3 80 200 mW Single - -
RS Stock No. 178-5664
Mfr. Part No.DTA114YU3T106
BrandROHM
HK$0.209
Each (On a Reel of 3000)
units
PNP 1 -100 mA -50 V 10 kΩ 47kΩ Surface Mount SOT-323 3 68 200 mW Single - -
RS Stock No. 145-4732
Mfr. Part No.MMUN2112LT1G
HK$0.118
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 21 kΩ - Surface Mount SOT-23 3 60 400 mW Single 0.25 V -
RS Stock No. 183-4690
Mfr. Part No.DTD543ZETL
BrandROHM
HK$0.539
Each (On a Reel of 3000)
units
NPN 1 500 mA - 4.7 kΩ 47kΩ Surface Mount SOT-416 3 140 150 mW Single - -
RS Stock No. 177-7995
Mfr. Part No.UMH1NTN
BrandROHM
HK$0.471
Each (On a Reel of 3000)
units
NPN 2 30 mA - 22 kΩ - Surface Mount UMT 6 56 - Isolated - -
RS Stock No. 179-1009
Mfr. Part No.PDTA115TT,215
BrandNexperia
HK$0.144
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 100 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.15 V 5 V
RS Stock No. 178-5834
Mfr. Part No.DTA114YMT2L
BrandROHM
HK$0.34
Each (In a Pack of 200)
units
PNP 1 -100 mA -50 V 10 kΩ 47kΩ Surface Mount SOT-723 3 68 150 mW Single - -
RS Stock No. 246-1750
Mfr. Part No.DTC123JKAT146
BrandROHM
HK$1.62
Each (In a Pack of 5)
units
NPN 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SMT 3 80 - Single - -
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