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Product Detailed Parameters
- Description：TRANS PREBIAS
- Series：*
- Mfr：onsemi
- Package：Bulk
- Resistors Included：-
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The DTA124EXV3T1 is a PNP silicon digital transistor manufactured by onsemi, designed to replace discrete devices and external bias resistor networks. It integrates a single transistor with a monolithic bias network consisting of a series base resistor and a base-emitter resistor within an SC-89 package. Key electrical parameters include a maximum collector-emitter voltage (VCEO) of 50 V, a continuous collector current of 100 mA, and a power dissipation of 260 mW. The device features a typical input resistance of 22 kOhms and a typical resistor ratio of 0.047. It operates within a temperature range of -55°C to +150°C and supports surface mount installation.
Feature Summary
- Integrates a single PNP transistor with a monolithic bias network comprising two resistors to simplify circuit design.
- Reduces board space and component count by eliminating the need for individual external bias components.
- SC-89 package designed for low power surface mount applications with modified gull-winged leads to absorb thermal stress during soldering.
Applications
- General purpose switching applications requiring simplified bias networks.
- Low power surface mount circuits where board space reduction is critical.
- Digital logic interface circuits replacing discrete transistor-resistor combinations.
Procurement Notes
Verify the specific ordering suffix 'XV3' against the manufacturer's official datasheet to confirm pinout compatibility and RoHS compliance status. Ensure the SC-89 package dimensions match the target PCB footprint. Confirm moisture sensitivity level requirements for the assembly process. Cross-reference the part number with authorized distributors to avoid counterfeit components. Validate that the 50V rating meets the system's voltage headroom needs.
Selection Notes
Select this component when a PNP digital transistor with integrated biasing is required to minimize layout area. The 22 kOhm input resistance suits standard logic drive levels. Consider the 50V VCEO limit for appropriate voltage margins. The SC-89 package is suitable for automated surface mount assembly. Compare against other BRT series members if different resistor ratios or NPN polarity are needed.
Part Context
This device belongs to the DTA124X series of PNP silicon digital transistors from onsemi. It is part of a broader portfolio of Bias Resistor Transistors (BRTs) designed to integrate passive biasing elements directly with active semiconductor devices. The series aims to streamline manufacturing processes by reducing the total number of components in electronic assemblies.
Replacement Considerations
Compatible substitutes include other PNP BRTs with similar 50V ratings and 22 kOhm input resistance, such as the DTA124EET1G or DTA124XM3T5G, provided the package type and pin configuration are verified for direct replacement.
