NXP USA Inc. BF861B

The BF861B is an N-channel Field-Effect Transistor (FET) produced by NXP USA Inc. This component is part of the BF86X series and is designed for various electronic applications. However, it is important to note that the BF861B is no longer manufactured and has been marked as obsolete.

• N-channel FET
• Surface-mounted package (TO-236AB)
• 3 terminals
• Compact body dimensions: 2.9 mm x 1.3 mm x 1 mm
• Pitch of 1.9 mm

The BF861B, although obsolete, was typically used in RF and high-frequency applications due to its characteristics as an N-channel FET. It could be employed in amplifiers, switches, and other circuits requiring low noise and high gain.

1. What is the BF861B?
   The BF861B is an N-channel Field-Effect Transistor (FET) produced by NXP USA Inc.
2. What package type does the BF861B use?
   The BF861B uses a TO-236AB plastic, surface-mounted package.
3. How many terminals does the BF861B have?
   The BF861B has 3 terminals.
4. What are the body dimensions of the BF861B?
   The body dimensions of the BF861B are 2.9 mm x 1.3 mm x 1 mm.
5. Is the BF861B still in production?
   No, the BF861B is no longer manufactured and has been marked as obsolete.
6. What are some potential applications for the BF861B?
   The BF861B was typically used in RF and high-frequency applications such as amplifiers and switches.
7. What is the pitch of the BF861B package?
   The pitch of the BF861B package is 1.9 mm.
8. Where can I find substitutes for the BF861B?
   You can find substitutes or alternative package types on websites like Digi-Key, Mouser, or through NXP's official documentation.
9. Why is the BF861B no longer manufactured?
   The specific reasons for discontinuation are not detailed, but it is common for components to be discontinued due to technological advancements or market demand.
10. Can I still purchase the BF861B?
    Since the BF861B is obsolete, it is unlikely to be available for purchase. You should consider using substitutes or alternative components.