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
New
RS Stock No. 186-7451
Mfr. Part No.TIP42AG
HK$4.377
Each (In a Tube of 50)
units
PNP 1 6 A 60 V dc - - Through Hole TO-220 3 15 65 W Single 1.5 V dc 5 V dc
RS Stock No. 124-2369
Mfr. Part No.PDTC114YT,215
BrandNexperia
HK$0.251
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
RS Stock No. 823-2842
Mfr. Part No.DDTC113TCA-7-F
HK$0.371
Each (In a Pack of 200)
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. 178-7158
Mfr. Part No.PDTC143ZT,215
BrandNexperia
HK$0.186
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-23 (TO-236AB) 3 100 - Single 0.1 V 10 V
RS Stock No. 146-7294
Mfr. Part No.DTD113ZCT116
BrandROHM
HK$0.458
Each (In a Pack of 200)
units
NPN 1 500 mA 50 V 1 kΩ 10kΩ Surface Mount SOT-23 3 82 200 mW Single - -
RS Stock No. 151-2601
Mfr. Part No.PUMD12,115
BrandNexperia
HK$0.203
Each (On a Reel of 3000)
units
NPN + PNP 2 100 mA 50 V 47 kΩ 47kΩ Surface Mount SOT 6 80 200 (Per Transistor) mW, 300 (Per Device) mW - 0.15 V -
RS Stock No. 168-3529
Mfr. Part No.DMC264010R
BrandPanasonic
HK$1.037
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount Mini6 G4 B 6 35 300 mW Isolated 0.25 V -
RS Stock No. 168-3491
Mfr. Part No.DRA2123J0L
BrandPanasonic
HK$0.511
Each (On a Reel of 3000)
units
PNP 1 100 mA 50 V 2.2 kΩ - Surface Mount Mini3 G3 B 3 80 200 mW Single 0.25 V -
New
RS Stock No. 183-4917
Mfr. Part No.DTA144VCAT116
BrandROHM
HK$0.445
Each (In a Pack of 200)
units
PNP 1 -100 mA - 47 kΩ 10kΩ Surface Mount SOT-23 3 33 350 mW Single - -
RS Stock No. 122-3242
Mfr. Part No.DDTC143EUA-7-F
HK$0.254
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 4.7 kΩ - Surface Mount SOT-323 (SC-70) 3 20 200 mW Single - 30 V
RS Stock No. 178-5701
Mfr. Part No.EMH10T2R
BrandROHM
HK$0.448
Each (On a Reel of 8000)
units
- 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-563 6 80 150 mW - - -
New
RS Stock No. 186-7437
Mfr. Part No.TIP106G
HK$6.021
Each (In a Tube of 50)
units
PNP 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. 246-1788
Mfr. Part No.DTC143ZKAT146
BrandROHM
HK$2.192
Each (In a Pack of 5)
units
NPN 1 100 mA - 4.7 kΩ 47kΩ Surface Mount SMT 3 80 - Single - -
RS Stock No. 707-4143
Mfr. Part No.DRC3123J0L
BrandPanasonic
HK$1.647
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SSSMini3 F2 B 3 80 100 mW Single 0.25 V -
RS Stock No. 711-5575
Mfr. Part No.DMG964010R
BrandPanasonic
HK$2.395
Each (In a Pack of 10)
units
NPN + PNP 2 100 mA 50 V 10 kΩ - Surface Mount SSMini6 F3 B 6 35, 80 125 mW - 0.25 V -
RS Stock No. 690-0161
Mfr. Part No.MUN2213T1G
HK$0.639
Each (In a Pack of 25)
units
NPN 1 100 mA 50 V 47 kΩ - Surface Mount SOT-346 (SC-59) 3 80 - Single 0.25 V -
RS Stock No. 710-5862
Mfr. Part No.DMA2610F0R
BrandPanasonic
HK$2.319
Each (In a Pack of 20)
units
PNP 2 100 mA 50 V 4.7 kΩ - Surface Mount Mini5 G3 B 5 30 300 mW Common Emitter 0.25 V -
RS Stock No. 857-8295
Mfr. Part No.BCR158WH6327XTSA1
BrandInfineon
HK$0.223
Each (On a Reel of 3000)
units
PNP 1 - 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 70 250 mW Single 0.3 V 5 V
RS Stock No. 165-8757
Mfr. Part No.PIMH9,115
BrandNexperia
HK$0.633
Each (On a Reel of 3000)
units
NPN 2 100 mA 50 V 10 kΩ - Surface Mount SOT-457 (SC-74) 6 100 400 mW Isolated 0.1 V 6 V
RS Stock No. 146-7088
Mfr. Part No.DTD123ECT116
BrandROHM
HK$0.656
Each (In a Pack of 200)
units
NPN 1 500 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-23 3 39 200 mW Single - -
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