FJN4303RBU Overview
The FJN4303RBU is a high-performance dual NPN transistor designed for low-noise amplification and switching applications in industrial electronics. Featuring a compact SOT-23 package, it offers robust current handling and reliable gain characteristics, making it an ideal choice for signal processing circuits and driver stages. This transistor delivers consistent performance across a wide temperature range, ensuring durability in demanding environments. Sourced from IC Manufacturer, it supports efficient integration in compact PCB layouts while maintaining excellent thermal stability and electrical reliability.
FJN4303RBU Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | Dual NPN | – |
| Collector-Emitter Voltage (VCEO) | 40 | V |
| Collector-Base Voltage (VCBO) | 60 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 150 | mA |
| DC Current Gain (hFE) | 100 to 300 | – |
| Transition Frequency (fT) | 100 | MHz |
| Package | SOT-23 | – |
FJN4303RBU Key Features
- Dual NPN transistor configuration: Enables compact circuit design by integrating two transistors in one package, reducing PCB space and assembly complexity.
- High DC current gain (up to 300): Provides effective amplification for signal processing, improving overall circuit sensitivity and performance.
- Wide voltage ratings: Supports collector-emitter voltages up to 40 V and collector-base voltages up to 60 V, allowing use in various power and switching applications.
- High transition frequency (100 MHz): Ensures suitability for high-speed switching and RF amplifier circuits, enhancing frequency response and signal integrity.
- Compact SOT-23 package: Facilitates easy integration into space-constrained designs and supports automated assembly for volume production.
- Robust collector current rating (150 mA): Delivers reliable operation in moderate power applications, balancing performance and thermal management.
- Low noise characteristics: Ideal for audio and RF front-end stages requiring minimal signal distortion and enhanced clarity.
Typical Applications
- Low-noise amplification circuits in audio and communication devices, where signal integrity and gain stability are critical for performance.
- Switching applications in industrial automation systems, enabling reliable control of moderate current loads with fast response times.
- Driver stages for relay and transistor arrays, providing efficient signal amplification and interface capabilities in complex circuits.
- High-frequency oscillator circuits and RF amplifiers, leveraging the high transition frequency for enhanced signal processing in wireless systems.
FJN4303RBU Advantages vs Typical Alternatives
This transistor offers a compelling combination of high current gain and frequency response in a compact dual configuration, providing engineers with a space-saving solution that does not compromise on performance. Compared to typical single-transistor devices, it reduces component count and improves assembly efficiency. Its wide voltage tolerance and low noise make it more versatile for sensitive industrial applications, while the SOT-23 package supports modern automated manufacturing processes.
🔥 Best-Selling Products
FJN4303RBU Brand Info
The FJN4303RBU is manufactured by a reputable semiconductor supplier known for delivering reliable discrete components optimized for industrial and consumer electronics. This device is part of their portfolio aimed at providing high-quality bipolar junction transistors (BJTs) with consistent performance and robust electrical characteristics. The brand emphasizes stringent quality control and broad availability, ensuring that the transistor meets industry standards for reliability and long
