2SB1225

Single Bipolar Transistors Overview

The onsemi 2SB1225 is a PNP epitaxial planar silicon transistor designed for high-current switching applications. It features a collector current rating of 3A and a collector-emitter breakdown voltage of 80V. The device utilizes low saturation voltage technology to minimize power loss during conduction. It offers fast switching speeds and excellent linearity, making it suitable for use in relay drivers, lamp drivers, motor drivers, and strobes. The component is housed in a compact PCP package, facilitating efficient thermal management and space-saving designs in electronic circuits.

Single Bipolar Transistors Feature Summary

• High current capacity with 3A collector current rating
• Low collector-to-emitter saturation voltage for efficiency
• Fast switching speed and high transition frequency
• Excellent DC current gain linearity

Single Bipolar Transistors Applications

• Relay drivers
• Lamp drivers
• Motor drivers
• Strobe circuits
• General high-current switching applications

Single Bipolar Transistors Procurement Notes

Verify the specific suffix codes against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm RoHS compliance status as manufacturing processes may vary by production batch. Check for obsolescence notices or lifecycle changes directly from onsemi before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component when an 80V PNP transistor with 3A continuous current capability is required. Ensure the application demands low saturation voltage to reduce heat dissipation. Verify that the operating temperature range aligns with the specified junction temperature limits. Consider the PCP package size constraints relative to the available PCB real estate.

Single Bipolar Transistors Part Context

This part belongs to the family of high-power bipolar junction transistors (BJTs) manufactured by onsemi. These devices are engineered for robust performance in power switching environments. The 2SB series typically pairs with complementary NPN types for push-pull configurations. They are widely used in industrial control systems and consumer electronics requiring reliable high-current handling.

Single Bipolar Transistors Replacement Considerations

Consult onsemi datasheets for direct replacements such as the 2SB1215 or 2SB1203 if voltage ratings differ. Verify pin compatibility and thermal resistance values before substituting. Ensure any alternative device meets the same current and voltage specifications.