TDTA114Y,LM

Overview

The TDTA114Y is a silicon PNP epitaxial type digital transistor manufactured by Toshiba Electronic Devices & Storage Corporation. It integrates bias resistors to simplify circuit design and reduce component count. The device features a supply voltage rating of -50 V, an output current capacity of -100 mA, and a power dissipation limit of 320 mW. Key electrical parameters include an input resistance (R1) of 10 kΩ, a resistance ratio (R2/R1) of 4.7, and a transition frequency (fT) of 250 MHz. It operates within a junction temperature range of -55°C to 150°C and is housed in an SOT-23 package.

Feature Summary

• Integrated bias resistors reduce the number of external parts required, enabling system size reduction and assembly time savings.
• Designed for easy operation where only on/off conditions need to be set, facilitating inverter circuit configuration without external input resistors.

Applications

• Switching
• Inverter Circuits
• Driver Circuits

Procurement Notes

Verify the specific manufacturer designation, as Toshiba's corporate structure involves Toshiba Electronic Devices & Storage Corporation. Confirm RoHS compliance status directly with the supplier or through official environmental declarations, as this information is not explicitly detailed in the provided datasheet text. Ensure the ordering suffix matches the required packaging format, such as cut tape or reel quantities, before finalizing procurement orders.

Selection Notes

Select the TDTA114Y when a PNP digital transistor with built-in biasing is required for switching or driver applications. Its complementary NPN counterpart is the TDTC114Y. Designers should account for the specific resistance values (R1=10kΩ, R2=47kΩ) and ensure operating conditions remain within the absolute maximum ratings to maintain reliability, particularly regarding power dissipation and thermal management in the SOT-23 package.

Part Context

This component belongs to Toshiba's series of bipolar transistors with built-in resistors. These devices are engineered to replace discrete resistor-transistor combinations, offering a compact solution for logic interface and signal inversion tasks. The TDTA114Y specifically addresses the need for PNP polarity in these integrated configurations.

Replacement Considerations

The datasheet identifies the TDTC114Y as the complementary NPN type. No other direct substitute part numbers are listed in the provided documentation. Cross-referencing with other manufacturers requires verifying pinout compatibility, voltage/current ratings, and internal resistance ratios.