2SD1803S-TL-E

Single Bipolar Transistors Overview

The onsemi 2SD1803S-TL-E is a single NPN bipolar junction transistor designed for high-current switching applications. It features a maximum collector current of 5 A and a collector-emitter voltage rating of 50 V, with a collector-base breakdown voltage of 60 V. The device operates within a junction temperature range up to 150 °C and offers a gain-bandwidth product of 180 MHz. Packaged in the TP-FA (TO-252) surface-mount format, it provides low saturation voltage characteristics suitable for efficient power management.

Single Bipolar Transistors Feature Summary

• Low collector-to-emitter saturation voltage
• High current capability and high transition frequency
• Excellent DC current gain linearity
• Fast switching speed

Single Bipolar Transistors Applications

• Relay drivers
• High-speed inverters
• Converters
• General high-current switching applications

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and material declarations prior to integration. Validate package markings against official datasheet specifications to ensure correct part identification and avoid counterfeit components during procurement.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring robust NPN switching performance in compact surface-mount layouts. Consider thermal dissipation requirements as power ratings vary significantly between ambient and case temperatures. Ensure base drive currents are sufficient to maintain low saturation voltages under expected load conditions.

Single Bipolar Transistors Part Context

This device belongs to the 2SD1803 series of bipolar transistors manufactured by onsemi. It shares architectural similarities with complementary PNP devices like the 2SB1203. The TP-FA package variant facilitates automated surface-mount assembly processes while maintaining electrical performance comparable to through-hole equivalents.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers include 2SD1803T-TL-H.

Single Bipolar Transistors FAQ

What is the maximum collector current rating?

The maximum continuous collector current is rated at 5 A.

What is the transition frequency of the device?

The gain-bandwidth product (fT) is specified at 180 MHz.

What is the collector-emitter saturation voltage?

The collector-to-emitter saturation voltage is typically 220 mV at 3 A collector current.