The 2SA1286 is a PNP silicon epitaxial transistor manufactured by ISAHAYA. This transistor is designed for use in audio frequency and general-purpose amplifier applications. It is known for its relatively high collector current and voltage ratings, making it suitable for moderate power amplification.

Applications:

• Audio amplifiers (preamplifiers and power amplifiers)
• General-purpose switching circuits
• Driver stages in audio equipment
• DC-DC converters
• Linear regulators

Features:

• PNP Silicon Epitaxial Transistor
• High Collector Current (IC = -3A)
• High Collector-Emitter Voltage (VCEO = -120V)
• Low Saturation Voltage
• Excellent hFE Linearity

Benefits:

• Provides reliable amplification in audio circuits.
• Offers efficient switching performance.
• Suitable for a wide range of general-purpose applications due to its robust specifications.
• Simplifies circuit design with its predictable characteristics.
• Enables cost-effective solutions for amplification and switching needs.

Additional Details:

The 2SA1286 typically comes in a TO-220 package, which facilitates easy mounting and heat dissipation. It is important to consult the datasheet for specific operating conditions and thermal considerations to ensure reliable performance. Key parameters include current gain (hFE), collector-emitter saturation voltage (VCE(sat)), and junction temperature. The transistor's performance characteristics are optimized for operation within specified voltage and current ranges. Proper biasing is essential to achieve the desired amplification or switching behavior.