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. 540-6526
Mfr. Part No.RN2104(F)
BrandToshiba
TWD7.40
Each (In a Pack of 5)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount ESM 3 80 - Single 0.3 V 10 V
RS Stock No. 179-1013
Mfr. Part No.PDTA124XT,215
BrandNexperia
TWD0.90
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 22 kΩ - Surface Mount SOT-23 (TO-236AB) 3 80 - Single 0.15 V 7 V
RS Stock No. 186-7172
Mfr. Part No.MMBT4124LT1G
TWD1.10
Each (On a Reel of 3000)
units
NPN 1 200 mA 25 V dc - - Surface Mount SOT-23 3 60 300 W Single 0.3 V dc 5 V dc
RS Stock No. 146-7215
Mfr. Part No.DTA043XMT2L
BrandROHM
TWD1.30
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 4.7 kΩ 10kΩ Surface Mount SOT-723 3 35 150 mW Single - -
RS Stock No. 171-5571
Mfr. Part No.UMD25NTR
BrandROHM
TWD2.60
Each (In a Pack of 100)
units
NPN 2 100 mA - 2.2 kΩ - Surface Mount SOT-363 6 80 150 mW - - -
RS Stock No. 186-7434
Mfr. Part No.SMP3003-TL-1E
TWD85.40
Each (On a Reel of 800)
units
- 1 - - - - Surface Mount TO-263 2 + Tab - 90 W - - -
RS Stock No. 373-3624
Mfr. Part No.UMG11NTR
BrandROHM
TWD5.30
Each (In a Pack of 10)
units
NPN 2 100 mA - 2.2 kΩ - Surface Mount TUMT 5 80 - Common Emitter - -
RS Stock No. 146-7021
Mfr. Part No.DTA023JUBTL
BrandROHM
TWD1.30
Each (On a Reel of 3000)
units
PNP 1 -100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-323FL 3 80 250 mW Single - -
RS Stock No. 131-4644
Mfr. Part No.DTC114TCAT116
BrandROHM
TWD1.50
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-23 3 100 200 mW - 0.3 V 5 V
RS Stock No. 518-2545
Mfr. Part No.PDTA143XT,215
BrandNexperia
TWD0.90
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 (TO-236AB) 3 50 - Single 0.15 V 7 V
RS Stock No. 545-2535
Mfr. Part No.MMUN2211LT1G
TWD3.60
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 124-6538
Mfr. Part No.DTC023YUBTL
BrandROHM
TWD2.40
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ 10kΩ Surface Mount SOT-323F 3 35 200 mW - - -
RS Stock No. 183-5039
Mfr. Part No.DTA115EU3T106
BrandROHM
TWD2.00
Each (In a Pack of 200)
units
PNP 1 -100 mA - 100 kΩ 100kΩ Surface Mount SOT-323 3 82 200 mW Single - -
RS Stock No. 186-7170
Mfr. Part No.MMBFJ202
TWD3.30
Each (On a Reel of 3000)
units
- 1 - - - - Surface Mount SOT-23 3 - 350 mW - - -