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. 169-0491
Mfr. Part No.DTC114EETL
BrandROHM
$0.055
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 700-2788
Mfr. Part No.DTC114EETL
BrandROHM
$0.321
Each (In a Pack of 25)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount EMT 3 30 - Single - -
RS Stock No. 826-8522
Mfr. Part No.IMD16AT108
BrandROHM
$0.24
Each (In a Pack of 40)
units
NPN + PNP 2 100 mA, 500 mA 50 V 2.2 kΩ None Surface Mount SC-74 6 100 300 mW Isolated 0.3 V 5 V
RS Stock No. 170-2423
Mfr. Part No.DTC114EKAT146
BrandROHM
$0.048
Each (On a Reel of 3000)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 246-1693
Mfr. Part No.DTC114EKAT146
BrandROHM
$0.296
Each (In a Pack of 5)
units
NPN 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 246-1873
Mfr. Part No.DTD114EKT146
BrandROHM
$0.498
Each (In a Pack of 5)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 170-2434
Mfr. Part No.DTD114EKT146
BrandROHM
$0.153
Each (On a Reel of 3000)
units
NPN 1 500 mA - 10 kΩ 10kΩ Surface Mount SMT 3 56 - Single - -
RS Stock No. 178-374
Mfr. Part No.DTA114EETL
BrandROHM
$0.168
Each (In a Pack of 10)
units
PNP 1 100 mA - 10 kΩ - Surface Mount EMT 3 30 - Single - -
RS Stock No. 246-1895
Mfr. Part No.DTD113ZKT146
BrandROHM
$0.404
Each (In a Pack of 5)
units
NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-346 (SC-59) 3 82 200 mW Single - -
RS Stock No. 373-3236
Mfr. Part No.UMH11NTN
BrandROHM
$0.314
Each (In a Pack of 10)
units
NPN 2 100 mA - 10 kΩ 10kΩ Surface Mount UMT 6 30 - Isolated - -
RS Stock No. 177-7997
Mfr. Part No.UMH11NTN
BrandROHM
$0.098
Each (On a Reel of 3000)
units
NPN 2 100 mA - 10 kΩ 10kΩ Surface Mount UMT 6 30 - Isolated - -
RS Stock No. 131-4644
Mfr. Part No.DTC114TCAT116
BrandROHM
$0.077
Each (In a Pack of 100)
units
NPN 1 100 mA 50 V 10 kΩ 10kΩ Surface Mount SOT-23 3 100 200 mW - 0.3 V 5 V
RS Stock No. 124-6527
Mfr. Part No.DTA123JKAT146
BrandROHM
$0.074
Each (In a Pack of 150)
units
PNP 1 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-346 3 80 200 mW - - -
RS Stock No. 170-2432
Mfr. Part No.DTB143EKT146
BrandROHM
$0.153
Each (On a Reel of 3000)
units
PNP 1 500 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 47 - Single - -
RS Stock No. 170-4585
Mfr. Part No.DTD113ZKT146
BrandROHM
$0.155
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-346 (SC-59) 3 82 200 mW Single - -
RS Stock No. 246-1845
Mfr. Part No.DTB143EKT146
BrandROHM
$0.24
Each (In a Pack of 5)
units
PNP 1 500 mA - 4.7 kΩ 4.7kΩ Surface Mount SMT 3 47 - Single - -
RS Stock No. 183-5083
Mfr. Part No.UMD6NTR
BrandROHM
$0.124
Each (On a Reel of 3000)
units
- 2 100 (NPN) mA, -100 (PNP) mA 50 (NPN) V, -50 (PNP) V 4.7 kΩ - Surface Mount SOT-363 6 100 150 mW Complex 300 mV -5 V
RS Stock No. 183-5090
Mfr. Part No.UMG9NTR
BrandROHM
$0.128
Each (On a Reel of 3000)
units
NPN 2 100 mA - 10 kΩ 10kΩ Surface Mount SOT-353 5 30 150 mW Common Emitter - -
RS Stock No. 178-5947
Mfr. Part No.DTA043ZEBTL
BrandROHM
$0.037
Each (In a Pack of 200)
units
PNP 1 -100 mA -50 V 4.7 kΩ 47kΩ Surface Mount SOT-416FL 3 80 150 mW Single - -
RS Stock No. 183-4788
Mfr. Part No.DTC124TCAT116
BrandROHM
$0.092
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 22 kΩ - Surface Mount SOT-23 3 250 350 mW Single 300 mV 5 V