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. 781-5294
Mfr. Part No.SMMUN2214LT1G
TWD8.10
Each (In a Pack of 50)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS Stock No. 146-7126
Mfr. Part No.DTA013ZUBTL
BrandROHM
TWD0.80
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-323FL 3 30 200 mW Single - -
RS Stock No. 183-4689
Mfr. Part No.DTC643TUT106
BrandROHM
TWD2.80
Each (On a Reel of 3000)
units
NPN 1 600 mA 20 V 4.7 kΩ - Surface Mount SC-85 3 820 200 mW Single 150 mV 12 V
RS Stock No. 146-7073
Mfr. Part No.DTD113ZCT116
BrandROHM
TWD1.30
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-23 3 82 200 mW Single - -
RS Stock No. 186-7147
Mfr. Part No.FDC3601N
TWD8.40
Each (On a Reel of 3000)
units
- 2 - - - - Surface Mount TSOT-23 6 - 960 mW - - -
RS Stock No. 131-4619
Mfr. Part No.DTA114EMT2L
BrandROHM
TWD1.40
Each (In a Pack of 100)
units
PNP 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SC-105AA 3 30 150 mW Common Emitter - 50 V
RS Stock No. 165-8617
Mfr. Part No.DDTD142JC-7-F
TWD1.60
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 470 Ω - Surface Mount SOT-23 3 56 200 mW Single 0.3 V 6 V
RS Stock No. 146-7205
Mfr. Part No.DTA015TMT2L
BrandROHM
TWD1.40
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 100 kΩ - Surface Mount SOT-723 3 100 150 mW Single -0.25 V -5 V
RS Stock No. 518-3560
Mfr. Part No.PUMB13,115
BrandNexperia
TWD1.90
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount UMT 6 100 - Isolated 0.1 V 10 V
RS Stock No. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
TWD5.40
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 163-0977
Mfr. Part No.MMUN2215LT1G
TWD0.50
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 160 400 mW Single 0.25 V -
RS Stock No. 177-6217
Mfr. Part No.UMD5NTR
BrandROHM
TWD1.80
Each (On a Reel of 3000)
units
- 2 -100 (PNP) mA, 100 (NPN) mA - 4.7 (PNP) kΩ, 47 (NPN) kΩ 10 (PNP) kΩ, 47 (NPN) kΩ Surface Mount SOT-363 6 30 (PNP), 68 (NPN) 150 mW - - -
RS Stock No. 183-4648
Mfr. Part No.DTA143EUBTL
BrandROHM
TWD0.80
Each (On a Reel of 3000)
units
PNP 1 -100 mA - 4.7 kΩ 4.7kΩ Surface Mount SC-85 3 30 200 mW Single - -
RS Stock No. 145-9574
Mfr. Part No.BCR119E6327HTSA1
BrandInfineon
TWD0.60
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 120 - Single 0.3 V -
RS Stock No. 186-7411
Mfr. Part No.MJD44H11RLG
TWD6.70
Each (On a Reel of 1800)
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. 186-8172
Mfr. Part No.FDMA420NZ
TWD20.00
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount MicroFET 2 x 2 6 - 2.4 W Single - -
RS Stock No. 146-7018
Mfr. Part No.DTA023EMT2L
BrandROHM
TWD0.70
Each (On a Reel of 8000)
units
PNP 1 -100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-723 3 20 150 mW Single - -
RS Stock No. 186-8833
Mfr. Part No.MMBFJ202
TWD9.20
Each (In a Pack of 25)
units
- 1 - - - - Surface Mount SOT-23 3 - 350 mW - - -
RS Stock No. 131-4635
Mfr. Part No.DTC014YEBTL
BrandROHM
TWD0.90
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-416FL 3 80 150 mW Common Emitter - 50 V
RS Stock No. 186-7906
Mfr. Part No.BD788G
TWD15.20
Each (In a Pack of 25)
units
PNP 1 4 A 60 V dc - - Through Hole TO-225 3 5 15 W Single 2.5 V dc 6 V dc