BF494 NPN RF Transistor-260MHz High-Frequency Amplifier (TO-92)

In Stock (49 items)
৳25.00 ৳19.00

Unlock professional-grade wireless transmission with the BF494 NPN RF Transistor, available now at the best price in Bangladesh from ElectraPac. While general-purpose transistors fail at high speeds, the BF494 is a dedicated high-frequency (HF/VHF) specialist. It is the most popular choice among Dhaka’s engineering students for building Long-Range FM Transmitters, wireless microphones, and sensitive radio receivers. Read more

Tags: Transistor
SKU: #EPBF494
BF494 NPN RF Transistor – 260MHz High-Frequency Amplifier (TO-92)

The BF494 is a high-performance Silicon NPN Transistor specifically engineered for high-frequency (RF) and VHF applications. With a transition frequency of 260 MHz, it is an essential component for FM radio transmitters, RF preamplifiers, and mixer stages in FM tuners. Its low noise figure and high gain make it the go-to choice for hobbyists and engineers working on sensitive signal-processing circuits.

Get the original and tested BF494 Transistor at Electrapac (www.electrapac.com), your premier destination for authentic electronic components in Bangladesh.

Key Features & Benefits:
  • High-Frequency Performance: Optimized for RF, VHF, and FM band applications up to 260 MHz.

  • Low Noise Characteristic: Ensures clean signal amplification with minimal distortion in receiver circuits.

  • Excellent Gain Stability: Provides consistent performance across a wide range of operating conditions.

  • Compact TO-92 Package: Small, industry-standard footprint, perfect for breadboards and compact PCB designs.

  • High Reliability: Sourced for stability, making it ideal for both DIY kits and professional prototypes.

Common Applications:
  • FM Radio Transmitters and Receivers.

  • RF Preamplifiers and Signal Boosters.

  • TV Tuner and Oscillator Stages.

  • VHF Range Mixing and Switching.

  • Educational RF Training Kits and Hobbyist DIY Radios.

Why Choose Electrapac?

Electrapac (www.electrapac.com) is committed to providing genuine and high-quality electronics in BD. We offer:

  • Quality Assurance: Every component is sourced to meet exact technical ratings.

  • Competitive Pricing: Best value for students, makers, and professional developers.

  • Fast Nationwide Delivery: Quick and secure shipping across all districts of Bangladesh.

Specifications Descriptions
Transistor Model BF494 NPN RF Transistor
Transistor Type NPN (Silicon)
Collector-Emitter Voltage (VCEO​) 20V
Collector-Base Voltage (VCBO​) 30V
Emitter-Base Voltage (VEBO​) 5V
Continuous Collector Current (IC​) 30mA
Transition Frequency (fT​) 260 MHz (Typical)
Power Dissipation (PD​) 300mW
Package 1 x 1 BF494 NPN Transistor

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