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. 166-0268
Mfr. Part No.PDTC124ET,215
BrandNexperia
TWD0.50
Each (On a Reel of 12000)
units
NPN 1 100 mA 50 V 22 kΩ - Surface Mount SOT-23 (TO-236AB) 3 60 - Single 0.15 V 10 V
RS Stock No. 131-4641
Mfr. Part No.DTC044EUBTL
BrandROHM
TWD0.90
Each (In a Pack of 200)
units
NPN 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-323FL 3 80 200 mW Common Emitter - 50 V
RS Stock No. 186-8709
Mfr. Part No.MUN5216DW1T1G
TWD6.00
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V dc 4.7 kΩ - Surface Mount SOT-363 6 160 385 mW - 0.25 V dc -
RS Stock No. 186-7196
Mfr. Part No.NSS40300MZ4T1G
TWD7.20
Each (On a Reel of 1000)
units
PNP 1 3 A 40 V dc - - Surface Mount SOT-223 3 + Tab 100 2 W Single 0.4 V dc 6 V dc
RS Stock No. 146-7229
Mfr. Part No.DTD143ECT116
BrandROHM
TWD1.90
Each (In a Pack of 200)
units
NPN 1 500 mA 50 V 4.7 kΩ 4.7kΩ Surface Mount SOT-23 3 47 200 mW Single - -
RS Stock No. 183-5095
Mfr. Part No.UMH3NTN
BrandROHM
TWD1.70
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount SOT-363 6 100 150 mW Complex 0.15 V 5 V
RS Stock No. 153-2814
Mfr. Part No.PDTA124EU,135
BrandNexperia
TWD0.50
Each (On a Reel of 10000)
units
PNP 1 100 mA -50 V 22 kΩ 22kΩ Surface Mount SC-70, SOT-323 3 60 200 mW Single -150 mV -10 V
RS Stock No. 165-7655
Mfr. Part No.BCR185WH6327XTSA1
BrandInfineon
TWD0.80
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 (SC-70) 3 70 250 mW Single 0.3 V -
RS Stock No. 177-7882
Mfr. Part No.DTC144ECAT116
BrandROHM
TWD1.00
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT-23 3 68 200 mW Single - 50 V
RS Stock No. 121-9620
Mfr. Part No.DDTC123YUA-7-F
TWD0.90
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 33 200 mW Single - 12 V
RS Stock No. 183-4641
Mfr. Part No.DTA123EU3T106
BrandROHM
TWD0.80
Each (On a Reel of 3000)
units
PNP 1 -100 mA - 2.2 kΩ 2.2kΩ Surface Mount SOT-323 3 20 200 mW Single - -
RS Stock No. 518-3841
Mfr. Part No.PUMH13,115
BrandNexperia
TWD2.90
Each (In a Pack of 50)
units
NPN 2 100 mA 50 V 4.7 kΩ - Surface Mount UMT 6 100 - Isolated 0.1 V 10 V
RS Stock No. 146-7098
Mfr. Part No.DTA024XUBTL
BrandROHM
TWD0.80
Each (In a Pack of 250)
units
PNP 1 -100 mA 50 V 22 kΩ 47kΩ Surface Mount SOT-323FL 3 80 200 mW Single - -
RS Stock No. 186-7141
Mfr. Part No.BS170-D75Z
TWD2.40
Each (On a Tape of 2000)
units
- 1 - - - - Through Hole TO-92 3 - 350 mW - - -
RS Stock No. 826-8572
Mfr. Part No.UMB10NTN
BrandROHM
TWD3.10
Each (In a Pack of 75)
units
PNP 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-363 (SC-88) 6 80 300 mW Isolated - 5 V
RS Stock No. 183-5078
Mfr. Part No.UMB11NTN
BrandROHM
TWD1.70
Each (On a Reel of 3000)
units
PNP 2 -100 mA - 10 kΩ 10kΩ Surface Mount SOT-363 6 30 150 mW - - -
RS Stock No. 165-9904
Mfr. Part No.PUMD3,115
BrandNexperia
TWD0.90
Each (On a Reel of 6000)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 30 300 mW Isolated 0.15 V 10 V
RS Stock No. 826-9452
Mfr. Part No.BCR192E6327HTSA1
BrandInfineon
TWD1.30
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 22 kΩ - Surface Mount SOT-23 3 70 200 mW Single 0.3 V 10 V
RS Stock No. 145-9628
Mfr. Part No.BCR185SH6327XTSA1
BrandInfineon
TWD1.10
Each (On a Reel of 3000)
units
PNP 2 100 mA 50 V 10 kΩ - Surface Mount SOT-363 (SC-88) 6 70 250 mW Isolated 0.3 V -
RS Stock No. 287-673
Mfr. Part No.BCR119E6327HTSA1
BrandInfineon
TWD6.60
Each (In a Pack of 10)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 3 120 - Single 0.3 V -