S9012 TRANSISTOR PNP 40V 500MA 300MW TO-92

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The S9012 is a general-purpose PNP (Positive-Negative-Positive) bipolar junction transistor (BJT) housed in the compact TO-92 package. This guide delves into its functionalities, technical specifications, and common applications to assist you in determining if it’s the right choice for your electronic project.

The S9012 functions as an electronic switch or amplifier. By applying a small control current to its base terminal, you can regulate a larger current flowing between its collector and emitter terminals. This ability to control larger currents with a smaller signal makes PNP BJTs essential components in various electronic circuits.

Key Features of S9012 PNP transistors:
    • PNP Type: Requires a negative voltage on the base relative to the emitter for current conduction.
    • General-Purpose: Suitable for various switching and amplification tasks in low-power circuits.
    • TO-92 Package: Utilizes the industry-standard TO-92 through-hole package for ease of mounting on PCBs.
Technical Specifications of S9012 PNP transistors:
    • Collector-Emitter Voltage (Vce): The maximum voltage that can be applied between the collector and emitter (usually around 40V).
    • Collector Current (Ic): The maximum continuous current the collector can handle (typically around 500mA).
    • Base Current (Ib): The typical base current required to control the collector current (often in the range of microamps).
    • Gain (hFE): The current gain of the transistor, indicating how efficiently it amplifies current (check datasheet for specific values).
    • Power Dissipation (Pd): The maximum power the transistor can dissipate without damage (usually around 300mW).
Applications of S9012 PNP transistors:
    • Simple Switching Circuits: Can be used as an electronic switch to turn on/off LEDs, control small motors, or activate other low-power components.
    • Amplifier Circuits (Small Signal): In low-power applications, it can be used in amplifier stages to boost weak voltage signals.
    • Buffer Circuits: Can be configured as a buffer to isolate one circuit stage from another, preventing signal distortion.
    • Logic Level Conversion (Limited): In some cases, it can be used for simple logic level conversion between circuits with different voltage requirements (refer to datasheet for specific limitations).
Equivalents of S9012 PNP transistors:

Several PNP transistors in the TO-92 package offer similar functionalities with potential variations in specifications or current ratings. Some examples include the BC557, 2N3906, and A733. If you can’t find the datasheet for the S9012, consider searching for equivalent transistors based on their characteristics and ensure they meet your project’s current and voltage requirements.

Package Includes:
    • 1 x S9012 TRANSISTOR PNP 40V 500MA 300MW TO-92

Additional information

Weight 1 g
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S9012 TRANSISTOR PNP 40V 500MA 300MW TO-92

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