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- Stock & Prices $ Price & Stock for BC857A
- Part Number BC857A
- Manufacturer Nexperia
- Pin Count 3
- Part Category Transistor BJT PNP
- Package Category Other
- Footprint Name Other - SOT23_(TO-236AB)
- Released Date Jun 22, 2022
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
BC857A Details
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Manufacturer Part Number:
BC857A
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Reach Compliance Code:
Compliant
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Country Of Origin:
Mainland China, Malaysia
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ECCN Code:
EAR99
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Date Of Intro:
1985-10-16
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Manufacturer:
Nexperia
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YTEOL:
7
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Collector Current-Max (IC):
0.1 A
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Collector-Base Capacitance-Max:
4.5 pF
BC857A Frequently Asked Questions (FAQs)
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The maximum operating temperature range for the BC857A is -40°C to 150°C, but it's recommended to operate within -40°C to 125°C for optimal performance and reliability.
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To ensure the BC857A is properly biased for linear operation, you should ensure the base-emitter voltage (VBE) is between 0.6V to 0.8V, and the collector-emitter voltage (VCE) is at least 1V higher than the base-emitter voltage. Additionally, the collector current should be limited to the recommended maximum value to prevent overheating.
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The recommended storage temperature range for the BC857A is -40°C to 150°C, but it's recommended to store the devices in a dry, cool place away from direct sunlight and moisture to prevent degradation.
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Yes, the BC857A can be used as a switch, but it's not recommended due to its relatively low current gain (hFE) and high saturation voltage (VCE(sat)). For switching applications, it's recommended to use a transistor with a higher current gain and lower saturation voltage, such as the BC817 or BC327.
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To prevent thermal runaway when using the BC857A, ensure the device is properly heat-sinked, and the collector current is limited to the recommended maximum value. Additionally, avoid operating the device at high temperatures or with high voltage swings, as this can cause the device to enter thermal runaway.
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BC857A Overview
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About Nexperia
Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.
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