Symbol
PCB Footprints
- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BF423ZL1
- Part Number BF423ZL1
- Manufacturer onsemi
- Pin Count 3
- Part Category Transistor BJT PNP
- Package Category Other
- Footprint Name Other - TO−92 (TO−226) ammo pack
- Released Date Mar 10, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
BF423ZL1 Details
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Manufacturer Part Number:
BF423ZL1
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Part Life Cycle Code:
Obsolete
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Part Package Code:
TO-92
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Package Description:
CASE 029-11, TO-226AA, 3 PIN
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Pin Count:
3
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Manufacturer Package Code:
CASE 029-11
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ECCN Code:
EAR99
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Manufacturer:
onsemi
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YTEOL:
0
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Additional Feature:
EUROPEAN PART NUMBER
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Collector Current-Max (IC):
0.05 A
BF423ZL1 Frequently Asked Questions (FAQs)
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A good PCB layout for the BF423ZL1 involves keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
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To ensure proper biasing, the BF423ZL1 requires a voltage supply of 2.5V to 5.5V, and the input voltage should be AC-coupled to the device. A bias resistor network can be used to set the quiescent current, and the output should be terminated with a load resistor to ensure stability.
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The maximum power dissipation of the BF423ZL1 is 350mW. To prevent overheating, ensure good thermal conductivity by using a heat sink or a thermally conductive PCB material, and keep the device away from other heat sources. Also, operate the device within the recommended temperature range of -40°C to 125°C.
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To troubleshoot issues with the BF423ZL1, start by verifying the PCB layout and ensuring that the device is properly biased. Check for oscillation or instability by monitoring the output with an oscilloscope, and adjust the bias resistors or output termination as needed. Also, ensure that the input signal is within the recommended frequency range and amplitude.
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While the BF423ZL1 is primarily designed for audio applications, it can be used in switching regulators or other high-frequency applications with careful consideration. However, the device's bandwidth and slew rate may limit its performance in high-frequency applications. Consult the datasheet and application notes for guidance on using the BF423ZL1 in non-audio applications.
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BF423ZL1 Overview
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