Transistor BF337 NPN, TO-39

Transistor BF337 NPN, TO-39

Transistors
TRBF337
Part.No: BF337
€1.20
Last items in stock
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The BF337 is a high-voltage NPN Bipolar Junction Transistor (BJT) in a TO-39 package. Engineered for video output and deflection circuits in classic CRT monitors and televisions, delivering reliable performance at elevated voltages.

 

BF337 High-Voltage NPN Transistor - CRT Video & Deflection Applications

The BF337 is a robust NPN transistor specifically designed for high-voltage video and deflection circuits in vintage CRT displays. With proven reliability in neck board applications, it excels at handling the demanding voltage and frequency requirements of classic computer monitors and televisions.

Functions & Applications

  • High Voltage Rating: Rated for the elevated voltages required in CRT deflection and video output circuits.
  • Fast Switching Frequency: Capable of responding quickly enough to prevent image ghosting and distortion on screen.
  • TO-39 Metal Can Package: Robust through-hole metal package designed for reliable thermal management in high-power video applications.
  • Proven Heritage: Trusted workhorse component in classic CRT monitor and TV neck boards worldwide.

Technical Specifications

ParameterValue / Specification
Transistor TypeBJT (Bipolar Junction Transistor)
Polarity / ChannelNPN
Package / CaseTO-39
Max Collector-Emitter Voltage (Vceo)180V
Mounting TypeThrough-Hole (THT)

Frequently Asked Questions

Q: What is the difference between BF336 and BF337?
A: The BF336 and BF337 are both high-voltage NPN transistors for CRT applications, but with different electrical characteristics. The BF337 is typically used for video output stages, while both serve as reliable neck board components with slightly different gain and frequency specifications.

Q: Can I use the BF337 in a modern circuit?
A: The BF337 is optimized for vintage CRT video circuits. Modern replacements exist for new designs. However, for restoring classic CRT monitors or TVs, the BF337 remains the authentic and recommended choice.

Notes

Vintage CRT component. Primarily sought for restoration and repair of classic monitors and televisions. Modern designs should evaluate alternative high-voltage switching solutions.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type
BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel
NPN
Transistor Case Style
TO-39
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