Overview
The BFG505/X,235 is an NPN silicon planar epitaxial transistor produced by NXP USA Inc. Although this component is no longer manufactured and has been marked as obsolete, it remains relevant for historical and reference purposes. It was designed for high-frequency applications, particularly in the RF domain.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN Silicon Planar Epitaxial Transistor |
| Package | SOT143B (4-pin dual-emitter plastic package) |
| Maximum Collector-Emitter Voltage | 15 V |
| Maximum Collector Current | 18 mA |
| Maximum Power Dissipation | 150 mW |
| Transition Frequency | 9 GHz |
Key Features
The BFG505/X,235 transistor is characterized by its high-frequency performance, making it suitable for wideband RF applications. Key features include:
- High transition frequency of 9 GHz, enabling operation in high-frequency ranges.
- Low noise figure, which is crucial for sensitive RF circuits.
- Dual-emitter configuration in a SOT143B package, providing flexibility in circuit design.
- Compact package size, suitable for space-constrained applications.
Applications
The BFG505/X,235 transistor was primarily used in various RF and microwave applications, including:
- RF amplifiers and oscillators.
- Microwave circuits requiring high-frequency operation.
- Communication systems, such as radio transceivers and radar systems.
- Test and measurement equipment requiring high-frequency signal handling.
Q & A
- What is the BFG505/X,235 transistor?
The BFG505/X,235 is an NPN silicon planar epitaxial transistor designed for high-frequency RF applications.
- Why is the BFG505/X,235 no longer available?
The BFG505/X,235 has been marked as obsolete and is no longer manufactured by NXP USA Inc.
- What is the maximum collector-emitter voltage of the BFG505/X,235?
The maximum collector-emitter voltage is 15 V.
- What is the transition frequency of the BFG505/X,235?
The transition frequency is 9 GHz.
- In what package is the BFG505/X,235 available?
The transistor is available in a 4-pin dual-emitter SOT143B plastic package.
- What are some typical applications of the BFG505/X,235?
Typical applications include RF amplifiers, microwave circuits, communication systems, and test and measurement equipment.
- Where can I find substitutes for the BFG505/X,235?
Substitutes can be found through distributors such as Digi-Key, Mouser, and other semiconductor suppliers.
- What is the maximum power dissipation of the BFG505/X,235?
The maximum power dissipation is 150 mW.
- Is the BFG505/X,235 still supported by NXP?
No, the BFG505/X,235 is no longer supported or manufactured by NXP.
- Can I still use the BFG505/X,235 in new designs?
It is not recommended to use obsolete components in new designs. Instead, consider using available substitutes or newer models.
