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. 163-2122
Mfr. Part No.DTC123JET1G
PHP1.014
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-416 (SC-75) 3 80 300 mW Single 0.25 V 6 V
RS Stock No. 801-0096
Mfr. Part No.DTC123JET1G
PHP1.712
Each (On a Tape of 250)
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NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-416 (SC-75) 3 80 300 mW Single 0.25 V 6 V
RS Stock No. 540-6554
Mfr. Part No.RN1106(F)
BrandToshiba
PHP3.64
Each (In a Pack of 5)
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NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount ESM 3 80 - Single 0.3 V 5 V
RS Stock No. 857-8371
Mfr. Part No.BCR573E6433HTMA1
BrandInfineon
PHP2.327
Each (On a Reel of 10000)
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PNP 1 - 50 V 1 kΩ - Surface Mount SOT-23 3 70 330 mW Single 0.0003 V 5 V
RS Stock No. 857-8362
Mfr. Part No.BCR573E6327HTSA1
BrandInfineon
PHP2.78
Each (On a Reel of 3000)
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PNP 1 - 50 V 1 kΩ - Surface Mount SOT-23 3 70 330 mW Single 0.0003 V 5 V
RS Stock No. 246-1687
Mfr. Part No.DTA114EKAT146
BrandROHM
PHP7.752
Each (In a Pack of 5)
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PNP 1 100 mA - 10 kΩ 10kΩ Surface Mount SMT 3 30 - Single - -
RS Stock No. 179-1028
Mfr. Part No.PDTC124XU,115
BrandNexperia
PHP1.448
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 22 kΩ - Surface Mount UMT 3 80 - Single 0.15 V 7 V
RS Stock No. 857-8277
Mfr. Part No.BCR135E6433HTMA1
BrandInfineon
PHP1.47
Each (On a Reel of 10000)
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NPN 1 - 50 V 10 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 6 V
RS Stock No. 911-4751
Mfr. Part No.BCR135E6327HTSA1
BrandInfineon
PHP1.868
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 6 V
RS Stock No. 246-1895
Mfr. Part No.DTD113ZKT146
BrandROHM
PHP17.958
Each (In a Pack of 5)
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NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-346 (SC-59) 3 82 200 mW Single - -
RS Stock No. 518-3015
Mfr. Part No.PDTC124XU,115
BrandNexperia
PHP6.04
Each (In a Pack of 50)
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NPN 1 100 mA 50 V 22 kΩ - Surface Mount UMT 3 80 - Single 0.15 V 7 V
RS Stock No. 287-695
Mfr. Part No.BCR135E6327HTSA1
BrandInfineon
PHP3.493
Each (In a Pack of 10)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 70 - Single 0.3 V -
RS Stock No. 166-1354
Mfr. Part No.PDTD113ET,215
BrandNexperia
PHP3.15
Each (On a Reel of 3000)
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NPN 1 500 mA 50 V 1 kΩ - Surface Mount SOT-23 (TO-236AB) 3 33 - Single 0.3 V 10 V
RS Stock No. 857-8356
Mfr. Part No.BCR523E6433HTMA1
BrandInfineon
PHP2.97
Each (On a Reel of 10000)
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NPN 1 - 50 V 1 kΩ - Surface Mount SOT-23 3 70 330 mW Single 0.0003 V 5 V
RS Stock No. 518-2905
Mfr. Part No.PDTC123JT,215
BrandNexperia
PHP5.966
Each (In a Pack of 50)
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NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
RS Stock No. 518-3065
Mfr. Part No.PDTC143TU,115
BrandNexperia
PHP8.354
Each (In a Pack of 50)
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NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount UMT 3 200 - Single 0.1 V 5 V
RS Stock No. 162-9265
Mfr. Part No.SMUN5235T1G
PHP2.31
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 805-4478
Mfr. Part No.SMUN5235T1G
PHP3.419
Each (On a Tape of 100)
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NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 80 310 mW Single 0.25 V -
RS Stock No. 518-2270
Mfr. Part No.PDTA115ET,215
BrandNexperia
PHP8.354
Each (In a Pack of 50)
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PNP 1 20 mA 50 V 100 kΩ - Surface Mount SOT-23 (TO-236AB) 3 80 - Single 0.15 V 10 V
RS Stock No. 121-9619
Mfr. Part No.DDTC114EUA-7-F
PHP1.89
Each (On a Reel of 3000)
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NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 30 200 mW Single - 40 V