This post explains for the C1815 transistor datasheet.
The Part Number is 2SC1815.
The function of this semiconductor is NPN Transistor.
The package is TO-92 Type
Manufacturer: Weitron
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Description
C1815 is 60V, 150mA, NPN plastic-encapsulated transistor. A NPN plastic-encapsulated transistor refers to a specific type of NPN (Negative-Positive-Negative) bipolar junction transistor (BJT) with a plastic package.
1. Voltage Rating: The transistor has a maximum voltage rating of 60 volts (V). This means it can handle a maximum voltage of 60V in its operating conditions without the risk of damage.
2. Current Rating: The transistor has a maximum current rating of 150 milliamperes (mA). This specifies the maximum continuous current that can flow through the transistor without exceeding its current handling capacity.
NPN plastic-encapsulated transistors find widespread use in various electronic circuits, including amplifiers, signal processing circuits, switching applications, and low-power control circuits.
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 60 V
2. Collector to Emitter Voltage: Vceo = 50 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 150 mA
5. Total Dissipation : Pc = 400 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C