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. 826-8538
Mfr. Part No.IMD9AT108
BrandROHM
R 4.52
Each (In a Pack of 60)
units
NPN + PNP 2 100 mA 50 V 10 kΩ 47kΩ Surface Mount SC-74 6 68 300 mW Isolated - 5 V
RS stock no. 752-7981
Mfr. Part No.BCR116SH6327XTSA1
BrandInfineon
R 1.417
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 (SC-88) 6 70 250 mW Isolated 0.3 V -
RS stock no. 911-4760
Mfr. Part No.BCR116SH6327XTSA1
BrandInfineon
R 0.462
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 (SC-88) 6 70 250 mW Isolated 0.3 V -
RS stock no. 826-8576
Mfr. Part No.UMD22NTR
BrandROHM
R 4.524
Each (In a Pack of 75)
units
NPN + PNP 2 100 mA 50 V 4.7 kΩ 47kΩ Surface Mount SOT-363 (SC-88) 6 80 150 mW Isolated - 5 V
RS stock no. 168-3709
Mfr. Part No.DMG963HE0R
BrandPanasonic
R 3.343
Each (On a Reel of 8000)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini5 F4 B 5 35, 80 125 mW - 0.25 V -
RS stock no. 715-9645
Mfr. Part No.DMG963HE0R
BrandPanasonic
R 8.237
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini5 F4 B 5 35, 80 125 mW - 0.25 V -
RS stock no. 826-8526
Mfr. Part No.IMD2AT108
BrandROHM
R 4.519
Each (In a Pack of 60)
units
NPN + PNP 2 100 mA 50 V 22 kΩ 22kΩ Surface Mount SC-74 6 56 300 mW Isolated - 5 V
RS stock no. 753-2765
Mfr. Part No.BCR512E6327HTSA1
BrandInfineon
R 1.222
Each (In a Pack of 50)
units
NPN 1 500 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 60 330 mW Single 0.3 V -
RS stock no. 163-0976
Mfr. Part No.MMUN2133LT1G
R 0.16
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS stock no. 781-4376
Mfr. Part No.MMUN2133LT1G
R 0.163
Each (In a Pack of 200)
units
PNP 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 80 400 mW Single 0.25 V -
RS stock no. 145-8800
Mfr. Part No.BCR512E6327HTSA1
BrandInfineon
R 1.121
Each (On a Reel of 3000)
units
NPN 1 500 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 60 330 mW Single 0.3 V -
RS stock no. 246-1738
Mfr. Part No.DTC144EKAT146
BrandROHM
R 2.792
Each (In a Pack of 5)
units
NPN 1 100 mA - 47 kΩ 47kΩ Surface Mount SMT 3 68 - Single - -
RS stock no. 170-2430
Mfr. Part No.DTB123EKT146
BrandROHM
R 1.49
Each (On a Reel of 3000)
units
PNP 1 500 mA - 2.2 kΩ 2.2kΩ Surface Mount SMT 3 39 - Single - -
RS stock no. 133-3192
Mfr. Part No.EMD22T2R
BrandROHM
R 2.224
Each (In a Pack of 100)
units
NPN + PNP 2 100 mA 50 V 4.7 kΩ 47kΩ Surface Mount SOT-563 6 80 150 mW Dual Base - 50 V
RS stock no. 246-1817
Mfr. Part No.DTB123EKT146
BrandROHM
R 1.73
Each (In a Pack of 5)
units
PNP 1 500 mA - 2.2 kΩ 2.2kΩ Surface Mount SMT 3 39 - Single - -
RS stock no. 463-101
Mfr. Part No.MMUN2216LT1G
R 0.543
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 160 - Single 0.25 V -
RS stock no. 518-2387
Mfr. Part No.PDTA123JU,115
BrandNexperia
R 2.211
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 2.2 kΩ - Surface Mount UMT 3 100 - Single 0.1 V 10 V
RS stock no. 518-2214
Mfr. Part No.PDTA114TT,215
BrandNexperia
R 2.218
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 (TO-236AB) 3 200 - Single 0.15 V 5 V
RS stock no. 145-3335
Mfr. Part No.MMUN2232LT1G
R 0.769
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 15 - Single 0.25 V -
RS stock no. 133-3191
Mfr. Part No.EMD12T2R
BrandROHM
R 2.153
Each (In a Pack of 100)
units
NPN + PNP 2 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-563 6 68 150 mW Dual Base - 50 V