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. 168-3358
Mfr. Part No.DRC5114Y0L
BrandPanasonic
TWD2.40
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. 186-7181
Mfr. Part No.MSD42WT1G
TWD1.40
Each (On a Reel of 3000)
units
NPN 1 150 mA 300 V - - Surface Mount SC-70 3 25 450 mW Single 0.5 V 6 V dc
RS Stock No. 163-2125
Mfr. Part No.DTC143ZM3T5G
TWD1.00
Each (On a Reel of 8000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-723 3 80 297 mW Single 0.25 V 6 V
RS Stock No. 186-7957
Mfr. Part No.MJD44H11RLG
TWD19.40
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. 170-4866
Mfr. Part No.PEMH9,115
BrandNexperia
TWD2.00
Each (On a Reel of 4000)
units
NPN 2 100 mA 50 V 10 kΩ 13kΩ Surface Mount SOT-666 6 100 200 mW - 0.1 V 6 V
RS Stock No. 823-2867
Mfr. Part No.DDTC123ECA-7-F
TWD2.00
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 20 200 mW Single - 12 V
RS Stock No. 518-3863
Mfr. Part No.PUMH15,115
BrandNexperia
TWD2.20
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount UMT 6 30 - Isolated 0.15 V 10 V
RS Stock No. 133-3194
Mfr. Part No.EMD9T2R
BrandROHM
TWD5.00
Each (In a Pack of 100)
units
NPN + PNP 2 100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-563 6 68 150 mW Dual Base - 50 V
RS Stock No. 145-4134
Mfr. Part No.SMMUN2111LT1G
TWD2.00
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 183-4693
Mfr. Part No.EMB75T2R
BrandROHM
TWD1.90
Each (On a Reel of 8000)
units
PNP 2 -100 mA - 4.7 kΩ 47kΩ Surface Mount SOT-563 5 80 150 mW Complex - -
RS Stock No. 145-9625
Mfr. Part No.BCR133WH6327XTSA1
BrandInfineon
TWD0.70
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 30 250 mW Single 0.3 V -
RS Stock No. 801-5665
Mfr. Part No.PIMC31,115
BrandNexperia
TWD8.80
Each (In a Pack of 50)
units
NPN + PNP 2 500 mA 50 V 1 kΩ - Surface Mount SOT-457 (SC-74) 6 70 420 mW Isolated 0.3 V 5 V
RS Stock No. 131-4649
Mfr. Part No.DTC123ECAT116
BrandROHM
TWD2.10
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-23 3 20 200 mW Common Emitter - 50 V
RS Stock No. 178-5690
Mfr. Part No.DTC143TETL
BrandROHM
TWD1.80
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-416 3 100 150 mW Single 0.15 V 5 V
RS Stock No. 751-3893
Mfr. Part No.DDTC114ECA-7-F
TWD1.90
Each (On a Tape of 250)
units
NPN 1 50 mA - 10 kΩ - Surface Mount SOT-23 3 30 200 mW Single - -
RS Stock No. 186-8842
Mfr. Part No.MUN5235T1G
TWD1.70
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V dc 2.2 kΩ 47kΩ Surface Mount SC-70 3 80 310 mW Single 0.25 V dc -
RS Stock No. 178-5706
Mfr. Part No.EMH9T2R
BrandROHM
TWD3.60
Each (On a Reel of 8000)
units
- 2 100 mA 50 V 10 kΩ 47kΩ Surface Mount SOT-563 6 68 150 mW - - -
RS Stock No. 179-1026
Mfr. Part No.PDTC123ET,215
BrandNexperia
TWD0.90
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 30 - Single 0.15 V 10 V
RS Stock No. 124-6529
Mfr. Part No.DTA143EKAT146
BrandROHM
TWD3.20
Each (In a Pack of 150)
units
PNP 1 100 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-346 3 30 200 mW - - -
RS Stock No. 186-7399
Mfr. Part No.FQD18N20V2TM
TWD18.30
Each (On a Reel of 2500)
units
- 1 - - - - Surface Mount DPAK 2 + Tab - 83 W - - -