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TIP120 The TIP120 is an NPN Epitaxial Darlington Transistor from STMicroelectronics, designed for medium power linear switching applications. It features a 60V collector-emitter voltage and a 5A collector current.
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TIP120

Available from 5 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The TIP120 is an NPN Epitaxial Darlington Transistor from STMicroelectronics, designed for medium power linear switching applications. It features a 60V collector-emitter voltage and a 5A collector current.
✓ Total Stock: 48,295 pcs
$ Price Range: $0.51

TIP120 Available from 5 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TIP120 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Junction Temperature
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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TIP120 Description

Short technical summary and product information.

The TIP120 is an NPN Epitaxial Darlington Transistor manufactured by STMicroelectronics, suitable for medium power linear switching applications. It is complementary to the TIP125, TIP126, and TIP127 series.

 

Key electrical characteristics include a collector-emitter voltage of up to 100V, a continuous collector current of 5A, and a pulse collector current of 8A. The device offers a high DC current gain (hFE) of 1000 at 0.5A and 3A collector currents. Saturation voltages are specified at 2V (typical) for 3A and 4V (typical) for 5A collector currents.

 

The transistor is housed in a TO-220-3 package, designed for through-hole mounting. It operates at junction temperatures up to 150°C and storage temperatures ranging from -65°C to 150°C. The device has a power dissipation rating of 2W at 25°C ambient temperature and 65W at 25°C case temperature.

TIP120 Quick Information

Product Type: NPN Darlington Transistor
Series: TIP
Canonical Name: TIP120 NPN Epitaxial Darlington Transistor
Subcategory: Bipolar (BJT) - Single

TIP120 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TIP120 Estimated Pricing

Qty Low High
1+ $0.51 $0.51

Estimated market price range - modelled values for guidance only, not live distributor offers.

TIP120 Features

  • NPN Epitaxial Darlington Transistor
  • 60V Collector-Emitter Voltage
  • 5A Continuous Collector Current
  • High DC Current Gain (hFE) of 1000
  • TO-220 Package for Through-Hole Mounting

TIP120 Applications

  • Used in power switching circuits.
  • Ideal for motor drive applications.
  • Suitable for high-current amplification.
  • Common in relay driver circuits.

TIP120 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage?

100 V.

What is the package type?

TO-220-3, through hole mounting.

What is the maximum junction temperature?

150°C. Storage temperature range is -65 to 150°C.

What is the DC current gain?

1000 at VCE=3V, IC=0.5A and 3A (pulse tested, pw ≤ 300 μs, duty cycle ≤ 2%).

What is the collector-emitter saturation voltage?

2V at IC=3A, IB=12mA; 4V at IC=5A, IB=20mA (pulse test).

What is the power dissipation?

2W at TA=25°C, 65W at TC=25°C.

What is the output capacitance?

200 pF at VCB=10V, IE=0, f=0.1 MHz.

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