Overview
The BFG540W/X,115 is an NPN silicon planar epitaxial transistor designed for high-frequency applications, specifically up to 9 GHz. This component is manufactured by NXP USA Inc. and is packaged in a 4-pin dual-emitter SOT343N or SOT343R plastic package. Although the product is no longer in active manufacturing, it remains relevant for historical and legacy system purposes. The transistor is known for its high reliability and performance in amplifier applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | |
| Package / Case | SOT-343 (SOT343N, SOT343R) | |
| Mounting Type | Surface Mount | |
| Operating Temperature (TJ) | 175°C | °C |
| Voltage - Collector Emitter Breakdown (Max) | 15V | V |
| Current - Collector (Ic) (Max) | 120mA | mA |
| Power Dissipation (Max) | 500mW | mW |
| Transition Frequency | 9GHz | GHz |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 40mA, 8V | |
| Noise Figure (Typ @ f) | 1.3dB ~ 2.4dB @ 900MHz | dB |
Key Features
- High-frequency operation up to 9 GHz, making it suitable for wideband applications.
- NPN silicon planar epitaxial transistor with high reliability.
- Available in SOT343N and SOT343R packages with dual-emitter configuration.
- Maximum collector current of 120mA and collector-emitter voltage of 15V.
- Maximum power dissipation of 500mW.
- Low noise figure, typically between 1.3dB and 2.4dB at 900MHz.
Applications
- RF amplifiers in various communication systems.
- High-frequency signal processing and amplification.
- Legacy and historical systems that require specific high-frequency transistor characteristics.
- General-purpose amplification in electronic circuits requiring high-frequency performance.
Q & A
- What is the maximum operating frequency of the BFG540W/X,115 transistor?
The BFG540W/X,115 transistor operates up to a frequency of 9 GHz.
- What is the package type of the BFG540W/X,115 transistor?
The transistor is packaged in SOT343N or SOT343R plastic packages.
- What is the maximum collector current of the BFG540W/X,115 transistor?
The maximum collector current is 120mA.
- What is the maximum power dissipation of the BFG540W/X,115 transistor?
The maximum power dissipation is 500mW.
- Is the BFG540W/X,115 transistor still in active production?
No, the BFG540W/X,115 transistor is no longer in active production but is available for historical and legacy system purposes.
- What is the typical noise figure of the BFG540W/X,115 transistor at 900MHz?
The typical noise figure is between 1.3dB and 2.4dB at 900MHz.
- What is the DC current gain (hFE) of the BFG540W/X,115 transistor?
The DC current gain (hFE) is minimum 100 at 40mA and 8V.
- What are the common applications of the BFG540W/X,115 transistor?
Common applications include RF amplifiers, high-frequency signal processing, and general-purpose amplification in electronic circuits.
- What is the operating temperature range of the BFG540W/X,115 transistor?
The operating temperature range is up to 175°C (TJ).
- Is the BFG540W/X,115 transistor RoHS compliant?
