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. 145-3515
Mfr. Part No.MMUN2211LT3G
$0.027
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 545-2535
Mfr. Part No.MMUN2211LT1G
$0.179
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. 690-0145
Mfr. Part No.MMUN2211LT3G
$0.177
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 145-3097
Mfr. Part No.MMUN2211LT1G
$0.032
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 - Single 0.25 V -
RS Stock No. 145-4134
Mfr. Part No.SMMUN2111LT1G
$0.102
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. 781-5275
Mfr. Part No.SMMUN2111LT1G
$0.404
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 781-5278
Mfr. Part No.SMMUN2111LT3G
$0.404
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 163-1181
Mfr. Part No.SMMUN2111LT3G
$0.09
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 35 400 mW Single 0.25 V -
RS Stock No. 781-5281
Mfr. Part No.SMMUN2116LT3G
$0.423
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 400 mW Single 0.25 V -
RS Stock No. 463-256
Mfr. Part No.MMUN2233LT1G
$0.063
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 690-0183
Mfr. Part No.MUN5211DW1T1G
$0.264
Each (In a Pack of 25)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 35 - Isolated 0.25 V -
RS Stock No. 163-2544
Mfr. Part No.MUN5211DW1T1G
$0.06
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 35 - Isolated 0.25 V -
RS Stock No. 145-3276
Mfr. Part No.MMUN2233LT1G
$0.032
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 163-1182
Mfr. Part No.SMMUN2116LT3G
$0.093
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 400 mW Single 0.25 V -
RS Stock No. 186-7197
Mfr. Part No.NSS60201LT1G
$0.199
Each (On a Reel of 3000)
units
NPN 1 2 A 60 V dc - - Surface Mount SOT-23 3 100 710 mW Single 0.14 V 8 V dc
RS Stock No. 145-3167
Mfr. Part No.DTC114YET1G
$0.038
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416 (SC-75) 3 80 300 mW Single 0.25 V 6 V
RS Stock No. 186-8026
Mfr. Part No.BD136G
$0.811
Each (In a Pack of 25)
units
PNP 1 1.5 A 45 V dc - - Through Hole TO-225 3 25 12.5 W Single 0.5 V dc 5 V dc
RS Stock No. 186-8509
Mfr. Part No.2SA1552S-E
$1.028
Each (In a Pack of 25)
units
PNP 1 -1.5 A -160 V - - Through Hole IPAK (7518-003) 3 + Tab 80 15 W Single -0.5 V -6 V
RS Stock No. 186-7442
Mfr. Part No.TIP141G
$2.631
Each (In a Tube of 30)
units
NPN 1 10 A 80 V dc - - Through Hole SOT-93 3 500 125 W Single 3 V dc 5 V dc
RS Stock No. 186-7126
Mfr. Part No.2SA2039-E
$0.704
Each (In a Bag of 500)
units
PNP 1 -5 A -50 V - - Through Hole IPAK (7518-003) 3 + Tab 200 15 W Single -430 mV -6 V