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TIP122 The STMicroelectronics TIP122 is an NPN Epitaxial Darlington Transistor designed for medium power linear switching applications. It features a 100V collector-emitter voltage and a 5A collector current.
Mfr Part #:

TIP122

Available from 8 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics TIP122 is an NPN Epitaxial Darlington Transistor designed for medium power linear switching applications. It features a 100V collector-emitter voltage and a 5A collector current.
✓ Total Stock: 112,068 pcs
$ Price Range: $0.51

TIP122 Available from 8 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.

TIP122 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
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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TIP122 Description

Short technical summary and product information.

The TIP122 is an NPN Epitaxial Darlington Transistor manufactured by STMicroelectronics, designed for medium power linear switching applications. It is complementary to the TIP125, TIP126, and TIP127 series.

 

Key electrical characteristics include a collector-emitter voltage (VCEO) of 100V, a continuous collector current (IC) of 5A, and a pulse collector current (ICP) of 8A. The device offers a high DC current gain (hFE) of 1000 at 3A and 3V. Saturation voltages are specified, with VCE(sat) at a maximum of 4V at 5A and 20mA, and 2V at 3A and 12mA. The base-emitter on voltage (VBE(on)) is typically 2.5V at 3A and 3V.

 

Thermal specifications include a junction temperature (TJ) of 150°C and a storage temperature range from -65°C to 150°C. Power dissipation is rated at 65W at 25°C case temperature and 2W at 25°C ambient temperature.

 

The TIP122 is supplied in a TO-220-3 package, suitable for through-hole mounting. This package type facilitates heat dissipation and ease of assembly in various electronic circuits.

TIP122 Quick Information

Product Type: Darlington Transistor
Canonical Name: TIP122 NPN Epitaxial Darlington Transistor
Subcategory: Darlington Transistor

TIP122 Compliance

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

TIP122 Estimated Pricing

Qty Low High
1+ $0.51 $0.51

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

TIP122 Features

  • NPN Epitaxial Darlington Transistor
  • 100V Collector-Emitter Voltage
  • 5A Continuous Collector Current
  • High DC Current Gain (1000)
  • TO-220 Package for Through-Hole Mounting

TIP122 Applications

  • Medium power linear switching
  • Complementary to TIP125/126/127
  • General purpose amplification
  • Power supply regulation circuits

TIP122 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage rating of the TIP122?

100V.

What is the maximum collector current of the TIP122?

5A continuous, 8A pulse.

What is the DC current gain (hFE) of the TIP122?

Minimum 1000 at Ic=0.5A and 3A, Vce=3V.

What is the collector-emitter saturation voltage of the TIP122?

Maximum 4V at Ic=5A, Ib=20mA and 2V at Ic=3A, Ib=12mA.

What package is the TIP122 available in?

TO-220-3 through-hole package (also listed as TO-220).

What is the operating temperature range of the TIP122?

Junction temperature up to 150°C; storage temperature range from -65°C to 150°C.

What is the maximum power dissipation of the TIP122?

65W at Tc=25°C and 2W at Ta=25°C.

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