2SB754

The 2SB754 is a silicon PNP power transistor designed for high current switching and power amplifier applications.
Specifications
According to various datasheets from manufacturers like Toshiba and Inchange Semiconductor, the key specifications are as follows:
Specification Value
Transistor Type PNP
Maximum Collector-Emitter Voltage (Vceo) -50V (minimum)
Maximum Collector Current (Ic) -7A
Maximum Power Dissipation (Pc) 60W (at Tc=25°C, according to a merchant page)
Package Type TO-3P(I) / TO-3PN
Complementary NPN Type 2SD844
Applications
The 2SB754 is commonly used in circuits requiring high current handling capabilities:
Audio Power Amplifiers: Frequently found in the output stages of amplifiers where significant current delivery to speakers is necessary.
High Current Switching: Suitable for general purpose switching applications.
Power Supply Circuits: Can be used as part of the pass transistor in linear voltage regulators.
Motor Drivers: Its ability to handle high currents makes it suitable for use in motor driver circuits.
Equivalent & Replacement Transistors
Several other transistors can be used as equivalents or replacements depending on the specific circuit requirements:
2SB827: A direct replacement that offers a higher 12 Amp current rating, often used as an upgrade in CB and 10-meter radios.
MJ2955: A PNP power transistor with a 15A collector current and 60V VCEO, commonly used in audio amplification and power management.
TIP36C: A high-power PNP transistor with a 25A current rating, typically used in high-power amplifiers and power supplies.
B754: The “B754” marking often refers to the same component (2SB754).