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
New
RS Stock No. 186-7373
Mfr. Part No.BUB323ZT4G
HK$10.291
Each (On a Reel of 800)
units
NPN 1 10 A 6 V dc - - Surface Mount D2PAK 2 + Tab 150 150 W Single 2.1 V dc -
RS Stock No. 707-4156
Mfr. Part No.DRC3143X0L
BrandPanasonic
HK$1.344
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SSSMini3 F2 B 3 30 100 mW Single 0.25 V -
RS Stock No. 168-3496
Mfr. Part No.DRA2523Y0L
BrandPanasonic
HK$0.55
Each (On a Reel of 3000)
units
PNP 1 500 mA 50 V 2.2 kΩ - Surface Mount Mini3 G3 B 3 60 200 mW Single 0.25 V -
New
RS Stock No. 186-7139
Mfr. Part No.BS170-D26Z
HK$0.777
Each (On a Reel of 2000)
units
- 1 - - - - Through Hole TO-92 3 - 350 mW - - -
RS Stock No. 166-0369
Mfr. Part No.PUMB10,115
BrandNexperia
HK$0.228
Each (On a Reel of 3000)
units
PNP 2 100 mA 50 V 2.2 kΩ - Surface Mount UMT 6 100 - Isolated 0.1 V 10 V
RS Stock No. 178-475
Mfr. Part No.DTA124EUAT106
BrandROHM
HK$1.067
Each (In a Pack of 10)
units
PNP 1 100 mA - 22 kΩ - Surface Mount UMT 3 56 - Single - -
RS Stock No. 168-3436
Mfr. Part No.DRA9143T0L
BrandPanasonic
HK$0.625
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SSMini3 F3 B 3 160 125 mW Single 0.25 V -
RS Stock No. 713-2832
Mfr. Part No.DMG5640N0R
BrandPanasonic
HK$1.539
Each (In a Pack of 20)
units
NPN + PNP 2 100 mA 50 V 4.7 kΩ - Surface Mount SMini6 F3 B 6 80 150 mW Isolated 0.25 V -
RS Stock No. 707-4443
Mfr. Part No.DRC2144E0L
BrandPanasonic
HK$1.025
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount Mini3 G3 B 3 80 200 mW Single 0.25 V -
RS Stock No. 168-3592
Mfr. Part No.DMC266010R
BrandPanasonic
HK$1.037
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount Mini6 G4 B 6 35 300 mW Isolated 0.25 V -
RS Stock No. 183-5334
Mfr. Part No.UMA9NTR
BrandROHM
HK$0.699
Each (In a Pack of 100)
units
PNP 2 -100 mA - 10 kΩ 10kΩ Surface Mount SOT-353 5 30 150 mW Common Emitter - -
RS Stock No. 133-2969
Mfr. Part No.DTD513ZETL
BrandROHM
HK$1.034
Each (In a Pack of 50)
units
NPN 1 500 mA 12 V 1 kΩ 10kΩ Surface Mount SOT-416 (SC-75A) 3 140 150 mW Single - 12 V
New
RS Stock No. 186-8052
Mfr. Part No.CPH6350-TL-W
HK$3.051
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount CPH6 6 - 1.6 W - - -
RS Stock No. 178-5955
Mfr. Part No.DTC114TMT2L
BrandROHM
HK$0.34
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-723 3 100 150 mW Single 0.3 V 5 V
RS Stock No. 145-3962
Mfr. Part No.DTC123EM3T5G
HK$0.269
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-723 3 8 338 mW Single 0.25 V 6 V
RS Stock No. 178-6035
Mfr. Part No.EMD2T2R
BrandROHM
HK$0.68
Each (In a Pack of 100)
units
- 2 -100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-563 6 56 150 mW - - -
RS Stock No. 690-0177
Mfr. Part No.MUN2233T1G
HK$0.726
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-346 (SC-59) 3 80 - Single 0.25 V -
New
RS Stock No. 186-8987
Mfr. Part No.SPZTA42T1G
HK$6.107
Each (In a Pack of 10)
units
NPN 1 500 mA 300 V dc - - Surface Mount SOT-223 3 + Tab 25 1.5 W Single 0.5 V dc 6 V dc
New
RS Stock No. 186-7185
Mfr. Part No.MUN5213T1G
HK$0.201
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V dc 47 kΩ 47kΩ Surface Mount SC-70 3 80 310 mW Single 0.25 V dc -
RS Stock No. 146-7075
Mfr. Part No.DTD114GCT116
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 0.3 V 5 V