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BF858 The BF858 is an NPN high-voltage transistor in a TO-202 package, designed for video output stages of television receivers. It features collector-emitter voltages up to 300V and peak collector currents of 300mA.
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BF858

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The BF858 is an NPN high-voltage transistor in a TO-202 package, designed for video output stages of television receivers. It features collector-emitter voltages up to 300V and peak collector currents of 300mA.
✓ Total Stock: 37 pcs
$ Price Range: $0.99

BF858 Available from 1 distributor

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✓ Non-Authorised
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37 pcs
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BF858 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BF858 Description

Short technical summary and product information.

The BF858 is an NPN high-voltage transistor housed in a TO-202 package. It is suitable for use in video output stages of black and white and colour television receivers. The device can withstand collector-base voltages up to 300V and collector-emitter voltages up to 300V. It has a peak collector current of 300mA and a total power dissipation of 6W at an ambient temperature of 75°C. The transistor features a DC current gain ranging from 2 to 6 and a transition frequency of 90 MHz. Its feedback capacitance is approximately 3 pF. The device is RoHS3 compliant and has a moisture sensitivity level of 1 Unlimited. It is mounted in a TO-202 package, suitable for through-hole mounting.

BF858 Quick Information

Product Type: Transistor
Canonical Name: NPN high-voltage transistor BF858

BF858 Compliance

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

BF858 Estimated Pricing

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1+ $0.99 $0.99

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

BF858 Features

  • High collector-base voltage up to 300V
  • Peak collector current of 300mA
  • Total power dissipation of 6W
  • Transition frequency of 90 MHz
  • RoHS3 compliant

BF858 Applications

  • Used in video output stages of TV receivers
  • Suitable for high-voltage switching applications
  • Ideal for RF signal amplification
  • Mounts in TO-202 through-hole packages

BF858 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage of the BF858?

The collector-emitter voltage of the BF858 is 250V when open base and 300V when open emitter.

What is the maximum collector current for the BF858?

The maximum collector current is 100mA.

Is the BF858 RoHS compliant?

Yes, the BF858 is RoHS3 compliant.

What package does the BF858 come in?

The BF858 is housed in a TO-202 package.

What is the transition frequency of the BF858?

The transition frequency is 90 MHz.

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