DTC114Y

Overview

The DTC114Y is an NPN silicon Bias Resistor Transistor (BRT) designed to replace a single discrete transistor and its external resistor bias network. It integrates a monolithic bias network consisting of a series base resistor and a base-emitter resistor into a single device, reducing system cost and board space. The component features a maximum collector current of 100 mA, a collector-emitter breakdown voltage of 50 V, and a transition frequency of 250 MHz. It operates with a minimum DC current gain of 68 at 5 mA and 5 V, while maintaining a maximum saturation voltage of 300 mV under specified conditions. The device is housed in a TO-92 package for through-hole applications.

Feature Summary

• Integrates a monolithic bias network with series base and base-emitter resistors to eliminate external components
• Reduces printed circuit board footprint and overall system assembly costs
• Provides simplified design by requiring only on/off condition settings for operation

Applications

• Inverter circuits
• Interface drivers
• General-purpose switching applications

Part Context

The DTC114Y belongs to the broader family of NPN digital transistors manufactured by ON Semiconductor. This series is engineered to consolidate discrete transistor and resistor functions into a single surface-mount or through-hole component. While many variants utilize SOT packages, this specific model utilizes the TO-92 form factor, distinguishing it from smaller surface-mount counterparts within the same functional category.

Replacement Considerations

Verify that substitute components match the TO-92 through-hole package requirement, as many BRT alternatives are available only in SOT-23 or SC-59 surface-mount formats. Ensure the replacement maintains the 100 mA collector current and 50 V voltage ratings. Confirm that the internal resistor ratio aligns with the original design requirements.