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. 183-4666
Mfr. Part No.DTC114TEBTL
BrandROHM
HK$0.191
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-416FL 3 100 150 mW Single 300 mV 5 V
RS Stock No. 801-5656
Mfr. Part No.PDTC123YU,115
BrandNexperia
HK$0.453
Each (On a Tape of 200)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-323 (SC-70) 3 35 200 mW Single 0.15 V 5 V
RS Stock No. 165-8596
Mfr. Part No.DDTC114WCA-7-F
HK$0.269
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-23 3 24 200 mW Single - 30 V
RS Stock No. 183-4667
Mfr. Part No.DTC114TU3T106
BrandROHM
HK$0.208
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 10 kΩ - Surface Mount SOT-323 3 100 200 mW Single 300 mV 5 V
RS Stock No. 186-8042
Mfr. Part No.BD787G
HK$4.495
Each (In a Pack of 25)
units
NPN 1 4 A 60 V dc - - Through Hole TO-225 3 5 15 W Single 2.5 V dc 6 V dc
RS Stock No. 178-5701
Mfr. Part No.EMH10T2R
BrandROHM
HK$0.747
Each (On a Reel of 8000)
units
- 2 100 mA 50 V 2.2 kΩ 47kΩ Surface Mount SOT-563 6 80 150 mW - - -
RS Stock No. 151-2649
Mfr. Part No.PDTA123YT,215
BrandNexperia
HK$0.235
Each (On a Reel of 3000)
units
PNP 1 -100 mA -50 V 2.2 kΩ 10kΩ Surface Mount SOT 3 35 250 mW Single -150 mV -
RS Stock No. 186-7409
Mfr. Part No.MJD42C1G
HK$4.907
Each (In a Tube of 75)
units
PNP 1 6 A 100 V dc - - Through Hole IPAK 3 + Tab 15 20 W Single 1.5 V dc 5 V dc
RS Stock No. 186-7125
Mfr. Part No.2SA1552S-E
HK$3.09
Each (In a Bag of 500)
units
PNP 1 -1.5 A -160 V - - Through Hole IPAK (7518-003) 3 + Tab 80 15 W Single -0.5 V -6 V
RS Stock No. 183-5412
Mfr. Part No.UMD2NTR
BrandROHM
HK$2.283
Each (In a Pack of 60)
units
- 2 -100 (PNP) mA, 100 (NPN) mA - 22 kΩ 22kΩ Surface Mount SOT-363 6 56 150 mW - - -
RS Stock No. 508-844
Mfr. Part No.PBRN123YT,215
BrandNexperia
HK$1.97
Each (In a Pack of 50)
units
NPN 1 700 mA 40 V 2.2 kΩ - Surface Mount SOT-23 (TO-236AB) 3 300 - Single 1.15 V 5 V
RS Stock No. 707-4351
Mfr. Part No.DRA2114Y0L
BrandPanasonic
HK$2.089
Each (In a Pack of 50)
units
PNP 1 100 mA 50 V 10 kΩ - Surface Mount Mini3 G3 B 3 80 200 mW Single 0.25 V -
RS Stock No. 146-7098
Mfr. Part No.DTA024XUBTL
BrandROHM
HK$0.512
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. 145-3335
Mfr. Part No.MMUN2232LT1G
HK$0.16
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. 186-8643
Mfr. Part No.NSS40300MZ4T1G
HK$3.476
Each (In a Pack of 25)
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. 186-7137
Mfr. Part No.BCW30LT1G
HK$0.248
Each (On a Reel of 3000)
units
PNP 1 -100 mA -32 V dc - - Surface Mount SOT-23 3 215 300 mW Single -0.3 V dc -5 V
RS Stock No. 183-5307
Mfr. Part No.UMG2NTR
BrandROHM
HK$1.049
Each (In a Pack of 100)
units
NPN 2 100 mA - 47 kΩ 47kΩ Surface Mount SOT-353 5 68 150 mW Common Emitter - -
RS Stock No. 518-3560
Mfr. Part No.PUMB13,115
BrandNexperia
HK$2.048
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. 165-8598
Mfr. Part No.DDTC123ECA-7-F
HK$0.269
Each (On a Reel of 3000)
units
NPN 1 100 mA 50 V 2.2 kΩ - Surface Mount SOT-23 3 20 200 mW Single - 12 V
RS Stock No. 146-7196
Mfr. Part No.DTC023EMT2L
BrandROHM
HK$0.478
Each (In a Pack of 250)
units
NPN 1 100 mA 50 V 2.2 kΩ 2.2kΩ Surface Mount SOT-723 3 20 150 mW Single - -
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