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ONSEMI MMBT5179 RF Transistor

The MMBT5179 is a NPN RF transistor designed for low noise UHF/VHF amplification and high output UHF oscillators. It features collector-emitter voltage of 12 V, collector-base voltage of 20 V, and emitter-base voltage of 2.5 V. With a maximum collector current of 50 mA and junction temperature range from -55°C to +150°C, this device offers high reliability in RF applications. Its thermal characteristics include total dissipation of 225 mW and junction-to-ambient resistance of 556°C/W, making it suitable for compact RF circuit designs.

Authorized Distributors
Source:Newark
Part No:MMBT5179
Stock:7772
Inv Date:06-10-2026
Price: Unit price: $0.08
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Source:DigiKey
Part No:MMBT5179
Stock:81333
Inv Date:06-10-2026
Price: Unit price: $0.1
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Part No:MMBT5179
Stock:25842
Inv Date:06-11-2026
Price: Unit price: $0.1
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Part No:MMBT5179
Stock:33000
Inv Date:06-10-2026
Price: Unit price: $0.0259
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Part No:MMBT5179
Stock:33000
Inv Date:06-10-2026
Price: Unit price: $0.0259
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Part No:MMBT5179
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0432
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Source:Arrow EU
Part No:MMBT5179
Stock:12000
Inv Date:06-11-2026
Price: N/A
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Part No:MMBT5179
Stock:4999
Inv Date:06-11-2026
Price: N/A
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ONSEMI MMBT5179 RF Transistor Specifications:

  • Collector-Emitter Voltage: 12 V
  • Collector-Base Voltage: 20 V
  • Emitter-Base Voltage: 2.5 V
  • Collector Current - Continuous: 50 mA
  • Junction Temperature Range: -55 to +150 °C
  • Total Device Dissipation: 225 mW
  • Thermal Resistance, Junction to Ambient: 556 °C/W
  • Maximum Power Dissipation: 225 mW
  • Device mounted on FR-4 PCB 1.6" x 1.6" x 0.06"
  • Operating and Storage Junction Temperature Range: -55°C to +150°C
  • Collector-Emitter Voltage (Sus): 12 V
  • Collector-Base Breakdown Voltage: 20 V
  • Emitter-Base Breakdown Voltage: 25 V
  • DC Current Gain (hFE): 25 to 250
  • Collector-Emitter Saturation Voltage: 0.4 V

Buy the ON Semiconductor MMBT5179 – Reliable RF Transistor for Industrial Applications

Purchase the ON Semiconductor MMBT5179 RF transistor online today and enhance your RF circuit performance. Its low noise, high voltage ratings, and robust thermal stability make it ideal for UHF/VHF amplification, oscillators, and other RF applications. With quick delivery and trusted quality, investing in this transistor ensures reliable operation in demanding industrial environments. Whether for small-scale or large-scale projects, order now and benefit from premium RF components designed for efficiency, durability, and high-frequency stability.

Buy ON Semiconductor MMBT5179 now and experience unmatched reliability and performance in RF amplification and oscillator circuits.

Frequently Asked Questions

Where can I buy ONSEMI MMBT5179?

You can click on the BUY or RFQ button to purchase MMBT5179 from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMBT5179?

You can download the MMBT5179 datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMBT5179?

ONSEMI

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