14 best darlington transistors
A Darlington transistor, also known as a Darlington pair, is a type of transistor configuration that consists of two bipolar transistors connected in such a way that the current amplification of one transistor drives the second transistor to provide even higher current gain. This arrangement is particularly useful when a high current amplification is needed, such as in applications involving power amplification or signal buffering.
Key characteristics and features of Darlington transistors include:
High Current Gain: Darlington pairs are designed to provide significantly higher current gain than a single transistor. This is achieved by the two transistors amplifying the current successively.
High Input Impedance: Darlington transistors typically have high input impedance, making them suitable for interfacing with low-current signal sources.
Low Saturation Voltage: They can operate with low saturation voltage, which helps minimize power dissipation and enhance efficiency in switching applications.
Increased Sensitivity: Due to their high current gain, Darlington transistors are sensitive to small input currents and can effectively amplify weak signals.
Commonly Used in High-Power Applications: Darlington pairs find extensive use in high-power amplification and switching applications, such as motor control, power supplies, and audio amplifiers.
Package Varieties: Darlington transistors are available in various packages, including through-hole and surface-mount options, to suit different circuit layouts and mounting requirements.
Typical Darlington Pair Configuration: The two transistors in a Darlington pair are connected in a "cascade" fashion, where the collector of the first transistor is connected to the base of the second transistor. The emitter of the first transistor is connected to the collector of the second transistor. This configuration effectively multiplies the current gain of each transistor.
Darlington transistors are known for their ability to provide high current amplification and are widely used in industrial and scientific applications where precise control of high-power devices is required. They offer advantages in terms of amplification, reliability, and efficiency compared to single transistors when driving loads that demand a high current or when amplifying weak signals.
Below you can find our editor's choice of the best darlington transistors on the market
Bridgold 20pcs TIP120 TO-220 NPN Darlington Bipolar Power Transistor, 5A 60V HFE:1000, 3-Pin
Bridgold
Product description
The Darlington Bipolar Power Transistor is designed for general-purpose amplifier and low-speed switching applications. TIP120, TIP121, TIP122 (NPN); TIP125, TIP126, TIP127 (PNP) are complementary devices
Designed for general−purpose amplifier and low−speed switching applications
Package include:
20pcs*TIP120
- Monolithic Construction with Built-In Base-Emitter Shunt Resistors
- High DC Current Gain - hFE = 2500 (typ) @ IC = 4.0 Adc
- Manufacturer Part Nos with S or NSV prefix are automotive qualified to AEC-Q101 standard.
STMicroelectronics TIP120 TO-220 NPN Power Darlington Transistor 12 Pack
STMicroelectronics
Product description
The devices are manufactured in planar technology with "base island" layout and monolithic Darlington configuration. The resulting transistors show exceptional high gain performance coupled with very low saturation voltage. Ideal for applications to control medium to high-power electronics such as motors, solenoids, or 1 watt or higher LEDs. The TIP120 can switch maximum 60V at peak currents of 8A (not continuously) and a continuous current of 5A, with a DC gain of approximately 1000.
- Low collector-emitter saturation voltage
STMICROELECTRONICS ULN2003A DARLINGTON TRANSISTOR ARRAY, NPN, 7, 50V, DIP (10 pieces)
STMICROELECTRONICS
Bridgold 6 Kinds Darlington transistors and 4 Kinds Voltage Regulator IC Assortment Kit,Including TIP120 TIP121 TIP122 TIP125 TIP126 TIP127 LM317T L7805CV L7812CV L7824CV Package
Bridgold
Product description
Collector Current - ContinuousIC(TIP120,TIP121,TIP122,TIP125,TIP126,TIP127):5A
Output Current(LM317T):1.5A(br) Output Adjustable between 1.2 V and 37 V(LM317T)(br) Linear Regulator Case Style(10kinds):TO-220
Output voltages of (L7805,L7812,L7812):5; 12; 24 V (br) Package include:
50pcs*10kinds(TIP120,TIP121,TIP122,TIP125,TIP126,TIP127,L7805CV,L7810CV,L7812CV,LM317T)
- inculding 5PCS*TIP120 5PCS*TIP121 5PCS*TIP122 5PCS*TIP125 5PCS*TIP126 5PCS*TIP127 5PCS*LM317T 5PCS*L7805CV 5PCS*L7812CV 5PCS*L7824CV
- 6 Darlington Transistor Output Currents: 5A
- Collector-emitter sustaining voltage - VCEO (sus) = 60 V (minimum) - TIP120, TIP125 80 V (minimum) - TIP121, TIP126 100 V (minimum) - TIP122, TIP127
- Output voltages of (L7805,L7812,L7812):5; 12; 24 V
- Output Current in Excess of (LM317T)1.5 A
10x TIP120 NPN BJT ST Darlington Transistor TO-220 for Arduino with Free Diodes
STMicroelectronics n Fairchild Semiconductor
Product description
TIP120 product info
Configuration: Single
Transistor Polarity: NPN
Collector- Emitter Voltage VCEO Max: 60 V
Emitter- Base Voltage VEBO: 5 V Collector- Base Voltage VCBO: 60 V
Maximum DC Collector Current: 5 A
Maximum Collector Cut-off Current: 200 uA
Mounting Style: Through Hole
Package / Case: TO-220-3 Maximum
Operating Temperature: + 150 C
Series: Darlingtons
Height: 9.15 mm Length: 10.4 mm Width: 4.6 mm
Brand: STMicroelectronics
1N4001 product info
Configuration:Single
Current, Forward, Continuous:1 A
Current, On-State, Non-Repetitive Peak:30 A
Current, Peak:10 μA
Current, Reverse:1 μA
Current, Surge:30 A
Diameter:2.7 mm
Dimensions:2.7 Dia. x 5.2 L mm
Diode Type:Standard Recovery Rectifier
Length:0.204" (5.2mm)
Mounting Type:Through Hole
Number of Pins:2
Package Type:DO-41
Primary Type:Rectifier
Rectifier Type:Switching
Speed, Switching:Standard
Temperature, Junction, Maximum:+175 °C
Temperature, Operating:-65 to +175 °C
Temperature, Operating, Maximum:+175 °C
Temperature, Operating, Minimum:-65 °C
Temperature, Operating, Range:-65 to +175 °C
- STMicroelectronics n Fairchild Semiconductor
- 10 Pieces TIP120 DARLINGTON TRANSISTOR, NPN, 60V, TO-220
- 10 Pieces 1N4001 DIODE, STANDARD, 1A, 50V, DO-41
User questions & answers
| Question: | how do you wire the diodes to the TIP |
| Answer: | Any time you are powering a device with a coil, such as a relay, solenoid, or motor, you need this guy, and don’t leave home without it. What happens is when you stop powering the coil, a reverse voltage, up to several hundred volts, spikes back. This only lasts a few microseconds, but it is enough to kill our transistor. So this diode (only allows current to pass one way) is normally facing the wrong direction and does nothing. But when that voltage spikes comes flowing the opposite direction, the diode allows it to flow back to the coil and not the transistor. Google - High-Power Control: Arduino + TIP120 Transistor |
| Question: | description says 10x TIP120, is this price for a single tip120 or for 10 qty |
| Answer: | This item is a set of 10 units of the TIP120 and 10 units of the snubber diodes.Kind Regards,Ben |
Bridgold 10pcs ULN2003APG ULN2003 2003 NPN Transistors Darlington 7-Circuit Sink Driver, 500 mA 50 V HFE:1000, 16-Pin
Bridgold
Product description
ULN2003 is a high-voltage, high-current composite transistor array consisting of seven silicon NPN composite transistors. Each pair of Darlington is connected in series with a 2.7K base resistor.
It can be used with TTL and CMOS circuits at 5V operating voltage. Directly connected, you can directly process data that was previously processed using standard logic buffers.
Maximum Continuous Collector Current:500 mA
Maximum Collector Emitter Voltage:50 V
Transistor Configuration:Common Emitter
Maximum Collector Emitter Saturation Voltage:1.6 V
Minimum Operating Temperature:-20 °C
Maximum Operating Temperature:+85 °C
Package include:
10pcs*ULN2003AN
- ULN2003 high operating voltage, high operating current, sink current up to 500mA
- High current drive array, mostly used in single-chip microcomputer, smart meter, digital output card
- High operating voltage, wide temperature range, and high load capacity
- Suitable for all types of systems requiring high speed and high power drive
- With open collector output, it can directly drive relays or solid relays
BOJACK 10 Values 50 Pcs Silicon Epitaxial Power Transistor TIP31C TIP32C TIP41C TIP42C TIP120 TIP121 TIP122 TIP125 TIP126 TIP127 Darlington Transistors TIP Series Assortment Kit
BOJACK
Product description
BOJACK 10 Values TIP Series Assortment Kit
Specifications:
Product Name: Darlington transistors
Package type: TO-220
Transistor polarity: NPN/PNP
Number of pins: 3
Operating temperature：-65°C - +150°C
Surface mount device: Through hole mounting
Package Quantity:50 Pcs (Each model 5 pcs)
Package Included:
NPN:
5 Pcs-------TIP31C-----------3A/100V
5 Pcs-------TIP41C-----------6A/100V
5 Pcs-------TIP120-----------5A/60V
5 Pcs-------TIP121-----------5A/80V
5 Pcs-------TIP122-----------5A/100V
PNP:
5 Pcs-------TIP32C------------3A/100V
5 Pcs-------TIP42C------------6A/100V
5 Pcs-------TIP125------------5A/60V
5 Pcs-------TIP126------------5A/80V
5 Pcs-------TIP127------------5A/100V
Compliant with lead-free environmental protection
- BOJACK 10 Values TIP Series Assortment Kit
- Product Name: Darlington Transistors
- Model: 10 Type: NPN-(TIP31C,TIP41C,TIP120,TIP121,TIP122),PNP-(TIP32C,TIP42C,TIP125,TIP126,TIP127 )
- RoHS Compliant
- Package Quantity: 50 Pcs (Each model 5 pcs), Packed in A Plastic Storage Case.
3 Pieces TIP120 Power Darlington Transistors
Adafruit
User questions & answers
| Question: | What's the operating voltage for these transistors? i'd like to control them with a raspberry pi (3.3 v |
| Answer: | The base emitter voltage (Vbe) is 2.5v and the collector-emitter voltage is 60v hope that helps |
BOJACK TIP120 NPN 5 A 60 V Silicon Epitaxial Power Transistor 5 amp 60 Volt Darlington Transistors TO-220 (Pack of 20 Pcs)
BOJACK
Product description
BOJACK High Quality Darlington Transistors
Basic parameters:
Package type: TO-220
Transistor polarity: NPN
Vceo: 60 V
Collector DC current: 5 A
Power consumption: 2 W
DC current gain hFE: 1000
Number of pins: 3
Power dissipation (Pd): 65 W
Operating temperature：-65°C - +150°C
Vcbo: 60 V
Surface mount device: Through-hole mounting
Compliant with lead-free environmental protection
- Transistor type: Darlington Transistors
- Transistor polarity: NPN
- Collector current(Ic): 5 A
- Collector voltage(Vceo): 60 V
- Power: 2 W
Chanzon 10pcs TIP120 TO-220 NPN Darlington Transistor 5A
CHANZON
- Overview: TO220 Darlinton Transistor TIP120, Current: 5 A, Voltage: 60V
- Original Transistors Bipolar Junction Triode for tip 120
- For: Electronic DIY Project
BOJACK TIP31C NPN 3 A 100 V Silicon Epitaxial Power Transistors TIP31 3 amp 100 Volt Darlington Transistors TO-220 (Pack of 20 Pcs)
BOJACK
Product description
BOJACK High Quality Darlington Transistors
Basic parameters:
Package type: TO-220
Transistor polarity: NPN
Vceo: 100 V
Collector DC current: 3 A
Power consumption: 2 W
DC current gain hFE: 50
Number of pins: 3
Power dissipation (Pd): 40 W
Minimum gain bandwidth ft: 3 MHz
Operating temperature：-65°C - +150°C
Vcbo: 100 V
Surface mount device: Through-hole mounting
Lead-free environmental protection
- Transistor type: Darlington Transistors
- Transistor polarity: NPN
- Collector current(Ic): 3 A
- Collector voltage(Vceo): 100 V
- Power: 2 W
Bridgold 20pcs TIP122 TO-220 NPN Darlington Bipolar Power Transistor, 5 A 100 V HFE:1000, 3-Pin
Bridgold
Product description
The Darlington Bipolar Power Transistor is designed for general-purpose amplifier and low-speed switching applications.
TIP120, TIP121, TIP122 (NPN); TIP125, TIP126, TIP127 (PNP) are complementary devices
Designed for general−purpose amplifier and low−speed switching applications
Package include:
20pcs*TIP122
- High DC Current Gain - hFE = 2500 (typ) @ IC = 4.0 Adc
- Monolithic Construction with Built-In Base-Emitter Shunt Resistors
- Collector-emitter saturation voltage - VCE (sat) = 2 V (maximum) at IC = 3 A
- Low collector-emitter saturation voltage
- Complementary NPN - PNP transistors
Bridgold 50pcs 10Types TIP Series Transistors Assortment Kit, Including TIP31 TIP32 TIP41 TIP42 TIP120 TIP121 TIP122 TIP125 TIP126 TIP127
Bridgold
Product description
Complementary Silicon Transistors Intended for a Wide Variety of Switching and Amplifier Applications, Series and Shunt Regulators, Driver and Output Stages of Hi-Fi Amplifiers
Package include
5pcs*TIP120
5pcs*TIP121
5pcs*TIP122
5pcs*TIP125
5pcs*TIP126
5pcs*TIP127
5pcs*TIP31C
5pcs*TIP32C
5pcs*TIP41C
5pcs*TIP42C
- This package has 50 transistors and 10 TIP series, just a perfect combination to meet your needs.
- Professionals and amateurs know Darlington transistors offer extreme efficiency and reliability.
- Collector-emitter sustaining voltage - VCEO (sus) = 60 V (minimum) - TIP120, TIP125 80 V (minimum) - TIP121, TIP126 100 V (minimum) - TIP122, TIP127
- Complementary NPN - PNP transistors,Includes 5PCS* TIP31C 5PCS*TIP32C 5PCS*TIP41C 5PCS*TIP42C 5PCS* TIP120 5PCS*TIP121 5PCS*TIP122 5PCS*TIP125 5PCS* TIP126 5PCS*TIP127
- If you have any suggestions for the product, don't hesitate to contact us immediately.
NTE Electronics MPSA13 Silicon NPN Transistor for General Purpose Amplifier, Darlington, Preamp, Driver, 30V, 1.2A (Pack of 5)
NTE Electronics
Product description
NTE Electronics MPSA13 silicon NPN transistor for general purpose amplifier, Darlington, preamp, driver, 30V, 1.2a (Pack of 5).
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