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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.5A SMT3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R2 Only
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：200 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SMT3
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Overview
The DTB114GKT146 is a PNP digital transistor from ROHM Semiconductor, featuring built-in bias resistors for simplified circuit design. It operates with a collector-emitter voltage of -50V and a continuous collector current of -500mA. The device includes an internal resistor network with typical values of R1=10kΩ and R2=10kΩ. Key electrical parameters include a DC current gain (hFE) of at least 33 at -10mA/-5V, a transition frequency of 200MHz, and a power dissipation rating of 200mW. It is housed in a compact SOT-23-3 surface-mount package.
Feature Summary
- Integrated bias resistors eliminate the need for external input components, enabling straightforward inverter circuit configuration.
- High-speed switching capability supports operation up to 200MHz transition frequency.
- Automotive-grade reliability with AEC-Q101 qualification for robust performance in vehicle applications.
Applications
- Inverter circuits requiring simplified input stage design
- Automotive electronic systems compliant with AEC-Q101 standards
- General-purpose digital switching applications
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required packaging format. Ensure compliance with RoHS directives and check for any end-of-life notifications prior to procurement.
Selection Notes
Select this component for designs requiring PNP logic inversion with integrated biasing. Verify that the -50V voltage rating and -500mA current capacity meet system requirements. Consider the SOT-23-3 footprint constraints during PCB layout planning.
Part Context
This part belongs to the ROHM DTx series of digital transistors, which integrate bipolar junction transistors with pre-biased resistors. The series offers various configurations to replace multiple discrete components, reducing board space and assembly complexity in modern electronic designs.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence before replacing the component in existing designs.
FAQ
What are the typical values of the built-in resistors?
The typical resistor values are R1 = 10 kOhms and R2 = 10 kOhms.
Is this component qualified for automotive use?
Yes, the DTB114GKT146 is AEC-Q101 qualified for automotive applications.
What is the maximum power dissipation?
The maximum power dissipation is 200 mW.
