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What is a Digital Transistor?

A digital transistor is a transistor that has an internal resistor from the input to the base and a pull up/down resistor between the base and the emitter.

Types of Digital Transistors

There are several different kinds of digital transistors. At Future Electronics we stock many of the most common types categorized by Polarity, Maximum Output Current, Resistance 1 / Resistance 2, Supply Voltage and Packaging Type. The parametric filters on our website can help refine your search results depending on the required specifications.

The most common size for Maximum Output Current is 100 mA. We also carry digital transistors with Maximum Output Current up to 500 A. The Polarity can be NPN, NPN/PNP or PNP.

Digital Transistors from Future Electronics

Future Electronics has a complete selection of semiconductor digital transistors from several manufacturers that can be used as a high power transistor or high voltage transistor for your digital transistor circuits. Simply choose from the digital transistor technical attributes below and your search results will quickly be narrowed in order to match your specific digital transistor application needs.

If you have a preferred brand, we deal with Diodes Inc., Micro Commercial Comp, NXP, ON Semiconductor or ROHM Semiconductor as manufacturers. You can easily refine your digital transistor product search results by clicking your preferred digital transistor brand below from our list of manufacturers.

Applications for Digital Transistors:

Digital transistors can be used for several applications including:

  • Control of IC inputs
  • Automotive applications
  • Switching loads
  • Inverter circuits
  • Interface circuits
  • Driver circuits

Choosing the Right Digital Transistor:

When you are looking for the right digital transistors, you can filter the results by various attributes with the FutureElectronics.com parametric search: by Maximum Output Current (- 100 A, 100 mA, 150 mA, 500 mA,…), Polarity (NPN, NPN/PNP or PNP) and Supply Voltage (up to 120 V), to name a few. You will be able to find the right semiconductor digital transistors such as a high voltage or high power transistor for your digital transistor circuits.

Digital Transistors in Production Ready Packaging or R&D Quantities

We offer customers many of our products in quantities that will help you avoid unneeded surplus.

In addition, Future Electronics offers its clients a unique bonded inventory program designed to eliminate potential problems that could arise from an unpredictable supply of products containing raw metals and products with long or erratic lead times. Talk with your nearest Future Electronics branch so you can find out more on how you can avoid possible shortages.




Featured Digital Transitor Products


Manufacturer Part Number Description
Diodes Inc.DDTD123YC-7-FDDTD123YC Series 50 V 500 mA Surface Mount NPN Pre Biased Transistor - SOT-23-3
Diodes Inc.DRDPB16W-7DRD Series 50 V 600 mA Surface Mount Complex Array for Relay Driver - SOKT-363
Micro Commercial CompDTC144TSA-APDTX144T Series SOT-523 50 V Kinked Leads NPN Digital Transistor
NXPPDTA114ET,215PDTA114E Series 50 V 100 mA SMT PNP Resistor-Equipped Transistor - SOT-23-3
NXPPDTC143ET,215PDTC143E Series 50 V 100 mA SMT NPN Resistor-Equipped Transistor - SOT-23-3
NXPPDTD123YT,215PDTD123Y Series 50 V 500 mA SMT NPN Resistor-Equipped Transistor - SOT-23-3
NXPPDTC123JT,215PDTC123J Series 50 V 100 mA SMT NPN Resistor-Equipped Transistor - SOT-23-3
NXPPUMD3,115PUMD3 Series 50 V 100 mA SMT NPN/PNP Resistor-Equipped Transistor - SOT-363
NXPPDTA124ET,215PDTA124E Series 50 V 100 mA SMT PNP Resistor-Equipped Transistor - SOT-23-3
ON SemiconductorMUN5311DW1T1GMUN Series 50 V 100 mA 10 kOhm NPN/PNP Dual Bias Resistor Transistor - SOT-363
ON SemiconductorMUN5314DW1T1GMUN Series 50 V 100 mA 10 kOhm NPN/PNP Dual Bias Resistor Transistor - SOT-363
ON SemiconductorMMUN2232LT1GMMUN Series 50 V 100 mA 4.7 kOhm NPN Silicon Bias Resistor Transistor - SOT-23
ON SemiconductorMMUN2111LT1GMMUN Series 50 V 100 mA 10 kOhm PNP Silicon Bias Resistor Transistor - SOT-23
ON SemiconductorMMUN2211LT1GMMUN Series 50 V 100 mA 10 kOhm NPN Silicon Bias Resistor Transistor - SOT-23
ON SemiconductorMUN2211T1GMUN Series 50 V 100 mA 10 kOhm NPN Silicon Bias Resistor Transistor - SC-59
ROHM SemiconductorDTD123YKT146DTD123YK Series 50 V 500 mA Surface Mount NPN Digital Transistor - SC-59
ROHM SemiconductorDTC114EKAT146DTC114EKA Series 50 V 100 mA Surface Mount PNP Digital Transistor - SC-59
ROHM SemiconductorDTA143XKAT146DTA143XKA Series 50 V 100 mA Surface Mount PNP Digital Transistor - SC-59
ROHM SemiconductorDTC143EKAT146DTC143EKA Series 50 V 100 mA Surface Mount NPN Digital Transistor - SC-59
ROHM SemiconductorDTA143EKAT146DTA143EKA Series 50 V 100 mA Surface Mount PNP Digital Transistor - SC-59
ROHM SemiconductorIMH11AT110IMH11A Series 50 V 100 mA Surface Mount Dual NPN Digital Transistor - SC-74
ROHM SemiconductorDTC114TKAT146DTC114TKA Series 50 V 100 mA Surface Mount NPN Digital Transistor - SC-59
ROHM SemiconductorDTC123JKAT146DTC123JKA Series 50 V 100 mA Surface Mount NPN Digital Transistor - SC-59
ROHM SemiconductorDTD113ZKT146DTD113ZK Series 50 V 500 mA Surface Mount NPN Digital Transistor - SC-59
ROHM SemiconductorEMZ1T2REMZ1 Series 50 V 150 mA Surface Mount Dual NPN/PNP Digital Transistor - EMT-6

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