NSBC143ZPDP6T5G

Overview

The NSBC143ZPDP6T5G is a complementary Bias Resistor Transistor (BRT) from onsemi, integrating one NPN and one PNP transistor with monolithic bias resistor networks into a single SOT-963 package. It features a typical base resistor (R1) of 4.7 kΩ and an emitter-base resistor (R2) of 47 kΩ, yielding a ratio of 0.1. The device supports continuous collector currents up to 100 mA and withstands collector-emitter voltages of 50 Vdc. Designed for surface mount applications, it operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Integrates complementary NPN and PNP transistors with internal bias resistors to replace discrete components
• Reduces printed circuit board space and component count in digital switching circuits
• Eliminates external resistor network requirements through monolithic integration

Applications

• Digital logic level shifting and interface circuits
• General-purpose switching applications requiring complementary polarity control
• Embedded systems utilizing microcontroller GPIO expansion

Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the SOT-963 footprint matches the target design constraints. Ensure compliance with RoHS and halogen-free requirements if specified by the end application standards. Cross-reference the manufacturer's latest documentation for any potential obsolescence notices or pinout style variations.

Selection Notes

Select this component when a compact solution for both NPN and PNP switching is required within a single footprint. The integrated resistor network simplifies biasing calculations and reduces layout complexity compared to discrete transistor pairs. Consider the thermal dissipation characteristics of the SOT-963 package relative to the expected power load in the specific circuit environment.

Part Context

This part belongs to the NSBC143ZPDXV6 series family, which includes variants in different packages such as SOT-363 and SOT-563. All members share the same electrical characteristics and resistor values but differ in physical dimensions and thermal performance profiles. The SOT-963 package offers a distinct form factor suitable for high-density mounting requirements.

Replacement Considerations

NSBC143ZPDXV6T1G

FAQ

What is the configuration of the transistors inside the NSBC143ZPDP6T5G?

The device contains one NPN transistor and one PNP transistor, each equipped with its own monolithic bias resistor network.

How does the BRT technology benefit circuit design?

It eliminates the need for external biasing resistors, thereby reducing the total component count and saving valuable board space.

What are the maximum voltage ratings for the collector-base and collector-emitter terminals?

Both the collector-base voltage (VCBO) and the collector-emitter voltage (VCEO) have a maximum rating of 50 Vdc.