UNR412400A

Overview

The UNR412400A is a silicon PNP epitaxial planar transistor with built-in resistors, designed for digital circuits. It features a collector-emitter voltage of -50 V and a collector current rating of -500 mA. The device integrates two resistors: R1 at 2.2 kΩ and R2 at 10 kΩ. It operates within an ambient temperature range of -55°C to +150°C and dissipates up to 300 mW of power. The component utilizes the NS-A1 package with radial taping supply.

Feature Summary

• Integrates dual resistors to reduce equipment size and part count
• Utilizes new S type package for radial taping supply

Applications

• Digital circuits
• General electronic equipment
• Office equipment
• Communications equipment

Procurement Notes

Verify the exact suffix against official Panasonic documentation before procurement. Confirm the specific resistor values associated with the full part number. Check the latest product lifecycle status on the manufacturer's website to ensure availability for new designs.

Selection Notes

Select this component when a compact PNP transistor with integrated biasing resistors is required. Ensure the circuit design accommodates the -50 V maximum voltage ratings. Verify that the thermal dissipation requirements fit within the 300 mW limit at the intended operating temperature.

Part Context

This component belongs to the UNR412x Series of transistors with built-in resistors. The series includes variants with different resistance combinations, such as UNR4121, UNR4122, and UNR4123, all sharing the same physical package and general electrical characteristics.

Replacement Considerations

Consult the Panasonic cross-reference tool for verified substitutes. Ensure any replacement maintains the NS-A1 package dimensions and the specific internal resistor ratios.