STN851 The STMicroelectronics STN851 is an NPN bipolar transistor designed for surface mount applications. It features a 60V voltage rating and 5A current capability.
Mfr Part #:

STN851

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics STN851 is an NPN bipolar transistor designed for surface mount applications. It features a 60V voltage rating and 5A current capability.
✓ Total Stock: 30,274 pcs
$ Price Range: $0.51

STN851 Available from 4 distributors

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✓ Non-Authorised
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25,000 pcs
25000 pcs On Request 1 On Request On Request On Request On Request On Request
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2,020 pcs
2020 pcs On Request 1 On Request On Request On Request On Request On Request
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2,020 pcs
2020 pcs On Request 1 On Request On Request On Request On Request On Request
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1,234 pcs
1234 pcs On Request 1 On Request On Request 14+ On Request On Request

STN851 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Operating Temperature
Power
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

STN851 Description

Short technical summary and product information.

The STMicroelectronics STN851 is a single NPN bipolar junction transistor (BJT) suitable for various electronic applications. It is packaged in a SOT-223 surface mount case, with a TO-261-4, TO-261AA designation.

 

This transistor offers a maximum continuous collector current of 5A and a collector-emitter voltage of 60V. Its power dissipation is rated at 1.6W. The DC current gain (hFE) is a minimum of 150 at 2A collector current and 1V collector-emitter voltage. The saturation voltage (Vce) is a maximum of 500mV at 200mA base current and 5A collector current. It operates at a frequency of 130MHz and has an operating temperature range up to 150°C.

 

Designed for surface mounting, the STN851 is a versatile component for power switching and amplification circuits where space is a consideration. Its specifications make it suitable for applications requiring moderate power handling and fast switching speeds.

STN851 Quick Information

Product Type: Bipolar Transistor
Canonical Name: STN851 NPN Bipolar Transistor
Subcategory: Bipolar Junction Transistor (BJT)

STN851 Compliance

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

STN851 Estimated Pricing

Qty Low High
1+ $0.51 $0.51

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

STN851 Features

  • NPN bipolar junction transistor.
  • 60V collector-emitter voltage.
  • 5A continuous collector current.
  • 1.6W power dissipation.
  • Surface mount SOT-223 package.

STN851 Applications

  • Power switching applications.
  • General purpose amplification.
  • Low frequency signal control.
  • Compact electronic designs.

STN851 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the STN851?

The collector-emitter voltage (Vce) rating is 60V.

What is the package type for STN851?

The STN851 is available in a surface-mount SOT-223 package, also known as TO-261-4 or TO-261AA.

What is the maximum operating temperature of STN851?

The maximum operating junction temperature (TJ) is 150°C.

What is the collector current rating of STN851?

The continuous collector current (Ic) rating is 5A.

What is the power dissipation of STN851?

The power dissipation is 1.6W.

What is the transition frequency of STN851?

The transition frequency (ft) is 130MHz.

What is the DC current gain (hFE) of STN851?

The minimum DC current gain (hFE) is 150 at Ic=2A, Vce=1V.

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