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. 145-3169
Mfr. Part No.DTC124EET1G
TWD0.60
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 22 kΩ - Surface Mount SOT-416 (SC-75) 3 60 300 mW Single 0.25 V 6 V
RS Stock No. 145-3111
Mfr. Part No.MMUN2113LT1G
TWD0.50
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 857-8346
Mfr. Part No.BCR22PNH6433XTMA1
BrandInfineon
TWD1.20
Each (On a Reel of 10000)
units
NPN + PNP 2 - 50 V 22 kΩ - Surface Mount SOT-363 (SC-88) 6 50 250 mW Isolated 0.3 V 10 V
RS Stock No. 170-2434
Mfr. Part No.DTD114EKT146
BrandROHM
TWD3.20
Each (On a Reel of 3000)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 163-2537
Mfr. Part No.MMUN2113LT3G
TWD0.50
Each (On a Reel of 10000)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 911-4763
Mfr. Part No.BCR22PNH6327XTSA1
BrandInfineon
TWD1.20
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA 50 V 22 kΩ - Surface Mount SOT-363 (SC-88) 6 50 250 mW Isolated 0.3 V -
RS Stock No. 246-1873
Mfr. Part No.DTD114EKT146
BrandROHM
TWD8.40
Each (In a Pack of 5)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 801-0109
Mfr. Part No.DTC124EET1G
TWD1.40
Each (On a Tape of 250)
units
NPN 1 100 mA 50 V 22 kΩ - Surface Mount SOT-416 (SC-75) 3 60 300 mW Single 0.25 V 6 V
RS Stock No. 145-3541
Mfr. Part No.MMUN2114LT1G
TWD0.50
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS Stock No. 690-0139
Mfr. Part No.MMUN2113LT1G
TWD0.80
Each (In a Pack of 25)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 179-1001
Mfr. Part No.PBLS4005Y,115
BrandNexperia
TWD4.60
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA, 500 mA 40 V, 50 V 47 kΩ - Surface Mount UMT 6 40 - N+P Loadswitch 0.15 V, 0.35 V 6 V, 10 V
RS Stock No. 781-4364
Mfr. Part No.MMUN2114LT1G
TWD0.80
Each (On a Tape of 200)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS Stock No. 177-8004
Mfr. Part No.UMG2NTR
BrandROHM
TWD1.90
Each (On a Reel of 3000)
units
NPN 2 100 mA - 47 kΩ - Surface Mount TUMT 5 68 - Common Emitter - -
RS Stock No. 373-3573
Mfr. Part No.UMG2NTR
BrandROHM
TWD3.60
Each (In a Pack of 10)
units
NPN 2 100 mA - 47 kΩ - Surface Mount TUMT 5 68 - Common Emitter - -
RS Stock No. 690-0133
Mfr. Part No.MMUN2113LT3G
TWD3.40
Each (In a Pack of 25)
units
PNP 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 - Single 0.25 V -
RS Stock No. 163-1184
Mfr. Part No.SMMUN2213LT3G
TWD1.70
Each (On a Reel of 10000)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS Stock No. 183-4785
Mfr. Part No.DTA143XUBTL
BrandROHM
TWD1.70
Each (In a Pack of 200)
units
PNP 1 -100 mA - 4.7 kΩ 10kΩ Surface Mount SOT-323FL 3 30 200 mW Single - -
RS Stock No. 186-8175
Mfr. Part No.TIP101G
TWD27.50
Each (In a Pack of 10)
units
NPN 1 8 A 80 V dc - - Through Hole TO-220 3 200 80 W Single 2.5 V dc 5 V dc
RS Stock No. 122-3239
Mfr. Part No.DDTC113TCA-7-F
TWD0.60
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 1 kΩ - Surface Mount SOT-23 3 100 200 mW Single 0.3 V 5 V
RS Stock No. 186-7381
Mfr. Part No.FDFS2P106A
TWD23.90
Each (On a Reel of 2500)
units
- 1 - - - - Surface Mount SOIC 8 - 1.6 (Single) W, 2 (Dual) W - - -