BF422 The BF422 is an NPN bipolar junction transistor from NXP Semiconductors, housed in a TO-92 package. It is suitable for amplification and switching roles.
Mfr Part #:

BF422

Available from 2 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The BF422 is an NPN bipolar junction transistor from NXP Semiconductors, housed in a TO-92 package. It is suitable for amplification and switching roles.
✓ Total Stock: 4,097 pcs
$ Price Range: $0.99

BF422 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,097 pcs
1097 pcs On Request 1 On Request On Request On Request On Request On Request

BF422 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BF422 Description

Short technical summary and product information.

The BF422 is an NPN bipolar junction transistor (BJT) designed for amplification and switching applications. It comes in a compact TO-92 package, making it suitable for low-power systems and simplifying integration into circuit layouts.

 

Key electrical characteristics include a maximum collector current of 50mA and a maximum collector-emitter voltage of 250V. The transistor operates with a DC gain of 50 and has a transition frequency typically reaching 60MHz. Its emitter-base voltage is limited to 5V, and it can handle a maximum power dissipation of 830mW.

 

The BF422 is designed to withstand a wide temperature range from -55°C to +150°C. Its high voltage tolerance makes it adaptable for various power supply applications. Functional alternatives include the ZTX457 and STX0560.

 

This transistor is versatile in audio and signal processing, and its characteristics facilitate seamless integration into existing electronic setups, particularly in repair or replacement scenarios.

BF422 Quick Information

Product Type: Bipolar Junction Transistor
Canonical Name: BF422 NPN Bipolar Junction Transistor
Subcategory: NPN

BF422 Compliance

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

BF422 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

BF422 Features

  • NPN bipolar junction transistor type.
  • Maximum collector current of 50mA.
  • Maximum collector-emitter voltage of 250V.
  • Typical transition frequency of 60MHz.
  • Housed in a TO-92 package.

BF422 Applications

  • Suitable for amplification tasks.
  • Used in switching applications.
  • Versatile in audio processing.
  • Applicable in signal processing.
  • Useful in power supply circuits.

BF422 FAQs

6 frequently asked questions generated from this part’s specifications.
What type of transistor is the BF422?

The BF422 is an NPN bipolar junction transistor.

What is the maximum collector current for the BF422?

The maximum collector current for the BF422 is 50mA.

What is the maximum collector-emitter voltage of the BF422 transistor?

The BF422 transistor has a maximum collector-emitter voltage of 250V.

What is the typical transition frequency of the BF422?

The typical transition frequency of the BF422 is 60MHz.

What is the operating temperature range for the BF422?

The BF422 operates within a temperature range of -55°C to +150°C.

What package is the BF422 transistor supplied in?

The BF422 transistor is supplied in a TO-92 package.

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