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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Part Details Brand 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 Typical Resistor Ratio Configuration Dimensions Height Width Length Maximum Base Emitter Saturation Voltage Maximum Operating Temperature Minimum Operating Temperature
ON Semiconductor, 2N4401TFR NPN Digital Transistor, 600 mA 40 V dc, Single, 3-Pin TO-92 ON Semiconductor NPN 1 600 mA 40 V dc - - Through Hole TO-92 3 20 1.5 W Single 0.75 V dc 6 V dc - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm 1.2 V dc +150 °C -55 °C
ON Semiconductor, 2N4401TFR NPN Digital Transistor, 600 mA 40 V dc, Single, 3-Pin TO-92 ON Semiconductor NPN 1 600 mA 40 V dc - - Through Hole TO-92 3 20 1.5 W Single 0.75 V dc 6 V dc - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm 1.2 V dc +150 °C -55 °C
ON Semiconductor, 2N7002L Digital Transistor, 3-Pin SOT-23 ON Semiconductor - 1 - - - - Surface Mount SOT-23 3 - 300 mW - - - - - 3.04 x 1.4 x 0.94mm 0.94mm 1.4mm 3.04mm - +150 °C -55 °C
ON Semiconductor, 2N7002L Digital Transistor, 3-Pin SOT-23 ON Semiconductor - 1 - - - - Surface Mount SOT-23 3 - 300 mW - - - - - 3.04 x 1.4 x 0.94mm 0.94mm 1.4mm 3.04mm - +150 °C -55 °C
ON Semiconductor, 2SA1552S-E PNP Digital Transistor, -1.5 A -160 V, Single, 3 + Tab-Pin IPAK (7518-003) ON Semiconductor PNP 1 -1.5 A -160 V - - Through Hole IPAK (7518-003) 3 + Tab 80 15 W Single -0.5 V -6 V - Single 6.5 x 2.3 x 5.5mm 5.5mm 2.3mm 6.5mm -1.2 V +150 °C -
ON Semiconductor, 2SA1552S-E PNP Digital Transistor, -1.5 A -160 V, Single, 3 + Tab-Pin IPAK (7518-003) ON Semiconductor PNP 1 -1.5 A -160 V - - Through Hole IPAK (7518-003) 3 + Tab 80 15 W Single -0.5 V -6 V - Single 6.5 x 2.3 x 5.5mm 5.5mm 2.3mm 6.5mm -1.2 V +150 °C -
ON Semiconductor, 2SA2039-E PNP Digital Transistor, -5 A -50 V, Single, 3 + Tab-Pin IPAK (7518-003) ON Semiconductor PNP 1 -5 A -50 V - - Through Hole IPAK (7518-003) 3 + Tab 200 15 W Single -430 mV -6 V - Single 6.5 x 2.3 x 5.5mm 5.5mm 2.3mm 6.5mm -1.2 V +150 °C -
ON Semiconductor, 2SA2039-E PNP Digital Transistor, -5 A -50 V, Single, 3 + Tab-Pin IPAK (7518-003) ON Semiconductor PNP 1 -5 A -50 V - - Through Hole IPAK (7518-003) 3 + Tab 200 15 W Single -430 mV -6 V - Single 6.5 x 2.3 x 5.5mm 5.5mm 2.3mm 6.5mm -1.2 V +150 °C -
ON Semiconductor, 2SJ652-1E Digital Transistor, 3-Pin TO-220 ON Semiconductor - 1 - - - - Through Hole TO-220 3 - 30 W - - - - - 10.16 x 4.7 x 15.87mm 15.87mm 4.7mm 10.16mm - +150 °C -
ON Semiconductor, 2SJ652-1E Digital Transistor, 3-Pin TO-220 ON Semiconductor - 1 - - - - Through Hole TO-220 3 - 30 W - - - - - 10.16 x 4.7 x 15.87mm 15.87mm 4.7mm 10.16mm - +150 °C -
ON Semiconductor, 2SK3703-1E Digital Transistor, 3-Pin TO-220 ON Semiconductor - 1 - - - - Through Hole TO-220 3 - 25 W - - - - - 10.16 x 4.7 x 15.87mm 15.87mm 4.7mm 10.16mm - +150 °C -
ON Semiconductor, 2SK3703-1E Digital Transistor, 3-Pin TO-220 ON Semiconductor - 1 - - - - Through Hole TO-220 3 - 25 W - - - - - 10.16 x 4.7 x 15.87mm 15.87mm 4.7mm 10.16mm - +150 °C -
ON Semiconductor, 2SK3746-1E ON Semiconductor - - - - - - - - - - - - - - - - - - - - - - -
ON Semiconductor, 2SK3746-1E ON Semiconductor - - - - - - - - - - - - - - - - - - - - - - -
ON Semiconductor, BBS3002-DL-1E Digital Transistor, 2 + Tab-Pin TO-263 ON Semiconductor - 1 - - - - Surface Mount TO-263 2 + Tab - 90 W - - - - - 10 x 9.2 x 4.5mm 4.5mm 9.2mm 10mm - +150 °C -
ON Semiconductor, BBS3002-DL-1E Digital Transistor, 2 + Tab-Pin TO-263 ON Semiconductor - 1 - - - - Surface Mount TO-263 2 + Tab - 90 W - - - - - 10 x 9.2 x 4.5mm 4.5mm 9.2mm 10mm - +150 °C -
ON Semiconductor, BC516-D27Z PNP Digital Transistor, -1 A -30 V, Single, 3-Pin TO-92 ON Semiconductor PNP 1 -1 A -30 V - - Through Hole TO-92 3 30000 625 mW Single -1 V -10 V - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm - +150 °C -55 °C
ON Semiconductor, BC516-D27Z PNP Digital Transistor, -1 A -30 V, Single, 3-Pin TO-92
  • £ 0.051
  • Each (On a Reel of 2000)
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ON Semiconductor PNP 1 -1 A -30 V - - Through Hole TO-92 3 30000 625 mW Single -1 V -10 V - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm - +150 °C -55 °C
ON Semiconductor, BC517-D74Z NPN Digital Transistor, 1.2 A 30 V, Single, 3-Pin TO-92 ON Semiconductor NPN 1 1.2 A 30 V - - Through Hole TO-92 3 30000 625 mW Single 1 V 10 V - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm - +150 °C -55 °C
ON Semiconductor, BC517-D74Z NPN Digital Transistor, 1.2 A 30 V, Single, 3-Pin TO-92
  • £ 0.061
  • Each (Supplied as a Tape)
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ON Semiconductor NPN 1 1.2 A 30 V - - Through Hole TO-92 3 30000 625 mW Single 1 V 10 V - Single 5.2 x 4.19 x 5.33mm 5.33mm 4.19mm 5.2mm - +150 °C -55 °C
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