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Categories Discrete Semiconductor Products
Manufacturer STMicroelectronics
Packaging Bulk
Part Status Obsolete(EOL)
Transistor Type NPN
Current - Collector (Ic) (Maximum) 100mA
Voltage - Collector Emitter Breakdown (Maximum) 300V
Vce Saturation (Maximum) @ Ib, Ic 1V @ 6mA, 30mA
Current - Collector Cutoff (Maximum) 50nA (ICBO)
DC Current Gain (hFE) (Minimum) @ Ic, Vce 25 @ 30mA, 10V
Power - Max 5W
Frequency - Transition 90MHz
Operating Temperature Range 200°C (TJ)
Mounting Style Through Hole
Package TO-205AD, TO-39-3 Metal Can
Manufacturer Package TO-39
Win Source Part Number 1153075-BF259
Manufacturer Homepage www.st.com
Popularity Medium
Supply and Demand Status Limited
Family Name BF259
Introduction Date August 21, 1995
ECCN EAR99
Ultra Librarian 3D Model Ultra Librarian BF259 CAD Model

Description

The BF259, crafted by the renowned semiconductor manufacturer STMicroelectronics, is a high-performance NPN transistor that caters to a wide array of electronic applications. This versatile component is designed for use in high-frequency stages in audio-frequency equipment and in driver stages of high-fidelity amplifiers, making it a staple in the audio electronics domain.

Key Features

  • Versatile NPN Configuration: The BF259 is built on an NPN silicon planar epitaxial structure, which allows for efficient switching and amplification, providing a robust performance in various circuit configurations.
  • High Voltage Capability: With a maximum collector-emitter voltage (Vceo) of 300V, the BF259 is suitable for applications that require high voltage operation without compromising performance.
  • Optimized Gain Bandwidth Product: The transistor offers a transition frequency (fT) of 100MHz, ensuring high-speed operation that is essential for audio-frequency and driver stage applications.
  • Low Noise Figure: The BF259 is engineered to exhibit a low noise figure, which is critical for maintaining signal integrity in audio amplification and processing circuits.
  • Reliable Thermal Performance: Its power dissipation of 1W at 25°C ambient temperature enables the device to handle moderate power levels while maintaining thermal stability.

Applications

The BF259 transistor is ideally suited for a variety of applications, including:

  • High-fidelity audio amplifiers
  • Driver stages in audio equipment
  • Signal processing circuits
  • High-frequency stages in communication equipment

Quality and Reliability

STMicroelectronics is a global leader in semiconductor solutions, and the BF259 transistor embodies the company's commitment to quality and reliability. Manufactured with precision and tested rigorously, the BF259 is designed to meet the stringent requirements of the electronics industry, ensuring long-term reliability and performance for your critical applications.

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Pricing & Ordering

Quantity Unit Price Ext. Price
18+ $2.9324 $52.7832
42+ $2.4061 $101.0562
65+ $2.3309 $151.5085
89+ $2.2557 $200.7573
115+ $2.1805 $250.7575
154+ $1.9549 $301.0546
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 100 pieces
MOQ: 18 pcs
Order Increment : 1 piece
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