2SD1805F-E

Single Bipolar Transistors Overview

The 2SD1805F-E is an NPN silicon single bipolar transistor designed for high-current switching applications. It features a collector current rating of 5A and a collector-emitter breakdown voltage of 20V. The device offers low saturation voltage and fast switching characteristics, including a turn-on time of 30ns and fall time of 40ns. DC current gain (hFE) ranges from 160 to 320 at 500mA. Available in TP (TO-251) and TP-FA (TO-252) packages, it supports up to 1W continuous dissipation.

Single Bipolar Transistors Feature Summary

• Low saturation voltage for efficient power handling
• Fast switching capability with defined turn-on and fall times
• High current capacity suitable for driver circuits
• Compact surface-mount package design

Single Bipolar Transistors Applications

• Strobe drivers
• Voltage regulators
• Relay drivers
• Lamp drivers

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix to confirm the package type and shipping format. The 'F' suffix indicates a specific hFE rank range. Confirm whether the required unit is bag-packed or reel-taped before procurement. Ensure the component meets RoHS compliance requirements for the target assembly process.

Single Bipolar Transistors Selection Notes

Select this component when a 20V NPN switch with 5A capability is required. The F-rank provides a guaranteed hFE between 160 and 320. Consider thermal management as the device dissipates up to 1W continuously. Verify that the application voltage does not exceed the 20V collector-emitter limit under all operating conditions.

Single Bipolar Transistors Part Context

This part belongs to the 2SD1805 series manufactured by onsemi. It is a general-purpose small signal bipolar transistor optimized for switching speeds and current handling. The series includes variants with different packaging and gain rankings to suit various manufacturing and performance needs.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include the 2SD1805G-E for higher gain ranges. Cross-reference with other 20V 5A NPN transistors in TO-251/TO-252 packages if pinout compatibility is maintained. Verify saturation voltage and switching times match application requirements.