- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MMBF4119
- Part Number MMBF4119
- Manufacturer onsemi
- Pin Count 3
- Part Category Transistor
- Package Category SOT23 (3-Pin)
- Footprint Name SOT23 (3-Pin) - SOT−23 CASE 318BM ISSUE O
- Released Date Jun 21, 2018
- Last Modified Date Sep 19, 2024 2:45 PM UTC
- Pinout / Pin List Click Here (Member Only)
MMBF4119 Details
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Manufacturer Part Number:
MMBF4119
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Brand Name:
onsemi
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SOT-23-3
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Package Description:
SOT-23, 3 PIN
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Manufacturer Package Code:
318BM
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ECCN Code:
EAR99
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Factory Lead Time:
4 Weeks
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Manufacturer:
onsemi
MMBF4119 Frequently Asked Questions (FAQs)
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The maximum safe operating area (SOA) for the MMBF4119 is not explicitly stated in the datasheet. However, it can be estimated based on the device's thermal and electrical characteristics. A general rule of thumb is to limit the device to a maximum power dissipation of 1.5W at 25°C, and to ensure that the voltage and current ratings are not exceeded.
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To ensure the MMBF4119 is properly biased for linear operation, the base-emitter voltage (VBE) should be set to around 0.7V, and the collector-emitter voltage (VCE) should be set to a value that allows the transistor to operate in the active region. The exact biasing conditions will depend on the specific application and the desired performance characteristics.
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The recommended PCB layout for the MMBF4119 involves keeping the leads as short as possible, using a ground plane to reduce thermal resistance, and ensuring good thermal conductivity between the device and the PCB. Thermal management techniques such as heat sinks, thermal vias, and thermal interface materials can also be used to reduce the device's junction temperature and improve reliability.
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The MMBF4119 is a sensitive device and requires proper ESD protection to prevent damage. This can be achieved through the use of ESD protection diodes, resistors, and capacitors in the circuit design, as well as proper handling and storage procedures during manufacturing and assembly.
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The reliability and failure modes of the MMBF4119 are not explicitly stated in the datasheet. However, common failure modes for bipolar transistors include thermal runaway, electrical overstress, and mechanical stress. To ensure reliability, it is essential to follow proper design and manufacturing guidelines, and to perform thorough testing and validation of the device in the application.
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MMBF4119 Overview
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