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. 178-5684
Mfr. Part No.DTC124EEBTL
BrandROHM
HK$0.161
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 22 kΩ 22kΩ Surface Mount SOT-416FL 3 56 150 mW Single - -
New
RS Stock No. 186-7346
Mfr. Part No.2SJ652-1E
HK$14.762
Each (In a Tube of 50)
units
- 1 - - - - Through Hole TO-220 3 - 30 W - - -
RS Stock No. 168-3608
Mfr. Part No.DMG264120R
BrandPanasonic
HK$1.436
Each (On a Reel of 3000)
units
NPN + PNP 2 500 mA 50 V 4.7 kΩ - Surface Mount Mini6 G4 B 6 50 300 mW Isolated 0.25 V -
RS Stock No. 153-2866
Mfr. Part No.PEMD30,115
BrandNexperia
HK$0.704
Each (In a Pack of 100)
units
NPN + PNP 2 100 mA 50 V 2.2 kΩ - Surface Mount SOT-666 6 30 200 mW - 0.15 V 5 V
RS Stock No. 168-3495
Mfr. Part No.DRA2144E0L
BrandPanasonic
HK$0.511
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount Mini3 G3 B 3 80 200 mW Single 0.25 V -
RS Stock No. 170-8018
Mfr. Part No.PUMD2,125
BrandNexperia
HK$0.287
Each (On a Reel of 3000)
units
- 2 100 mA 50 V 22 kΩ - Surface Mount SOT-363 6 60 300 mW Dual Base 0.15 V 10 V
RS Stock No. 165-9904
Mfr. Part No.PUMD3,115
BrandNexperia
HK$0.39
Each (On a Reel of 6000)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 30 300 mW Isolated 0.15 V 10 V
RS Stock No. 168-3464
Mfr. Part No.DRC9114Y0L
BrandPanasonic
HK$0.638
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SSMini3 F3 B 3 80 125 mW Single 0.25 V -
New
RS Stock No. 186-8983
Mfr. Part No.DTA114YET1G
HK$0.414
Each (In a Pack of 100)
units
PNP 1 100 mA 50 V dc - - Surface Mount SC-75 3 80 300 mW Single 0.25 V dc -
RS Stock No. 168-3443
Mfr. Part No.DRC3114W0L
BrandPanasonic
HK$0.554
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SSSMini3 F2 B 3 20 100 mW Single 0.25 V -
RS Stock No. 146-7037
Mfr. Part No.DTA044TMT2L
BrandROHM
HK$0.187
Each (On a Reel of 8000)
units
PNP 1 -60 mA 50 V 47 kΩ - Surface Mount SOT-723 3 100 150 mW Single -150 mV -5 V
RS Stock No. 690-0161
Mfr. Part No.MUN2213T1G
HK$0.639
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount SOT-346 (SC-59) 3 80 - Single 0.25 V -
RS Stock No. 168-3709
Mfr. Part No.DMG963HE0R
BrandPanasonic
HK$1.817
Each (On a Reel of 8000)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini5 F4 B 5 35, 80 125 mW - 0.25 V -
RS Stock No. 168-3441
Mfr. Part No.DRA9144V0L
BrandPanasonic
HK$0.638
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SSMini3 F3 B 3 30 125 mW Single 0.25 V -
RS Stock No. 823-2864
Mfr. Part No.DDTC123YUA-7-F
HK$0.339
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 33 200 mW Single - 12 V
New
RS Stock No. 186-8191
Mfr. Part No.FDMA520PZ
HK$5.026
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount MicroFET 2 x 2 6 - 2.4 W - - -
RS Stock No. 857-8249
Mfr. Part No.BCR10PNH6727XTSA1
BrandInfineon
HK$0.403
Each (On a Reel of 3000)
units
NPN + PNP 2 - 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 30 250 mW Isolated 0.0003 V 10 V
RS Stock No. 168-3431
Mfr. Part No.DRA9114T0L
BrandPanasonic
HK$0.638
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SSMini3 F3 B 3 160 125 mW Single 0.25 V -
New
RS Stock No. 186-7183
Mfr. Part No.MUN5212DW1T1G
HK$0.343
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V dc 22 kΩ 22kΩ Surface Mount SOT-363 6 60 385 mW - 0.25 V dc -
RS Stock No. 165-7655
Mfr. Part No.BCR185WH6327XTSA1
BrandInfineon
HK$0.192
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 70 250 mW Single 0.3 V -
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