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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V EMT3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：30 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：47 kOhms
- Resistor - Emitter Base (R2)：22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：150 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-75, SOT-416
- Supplier Device Package：EMT3
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Overview
DTA144WETL is a PNP digital transistor manufactured by Rohm Semiconductor, featuring built-in biasing resistors within an EMT3 (SOT-416) surface-mount package. The device supports a collector-emitter voltage of -50V and a continuous collector current of -100mA. It incorporates an input resistance (R1) ranging from 1kΩ to 47kΩ and an emitter-base resistance (R2) from 1kΩ to 22kΩ. Power dissipation is rated at 0.15W, with a DC current gain (hFE) between 100 and 600. The component operates within a storage temperature range of -55°C to 150°C and measures 1.6x1.6mm with a thickness of 0.9mm.
Feature Summary
- Integrates thin-film biasing resistors for simplified inverter circuit configuration without external components
- Provides complete isolation between resistors to eliminate parasitic effects and allow negative input biasing
- Utilizes a compact SMD package suitable for automated surface mount assembly
Applications
- General-purpose logic level inversion circuits
- Driver circuits for relays and small loads
- Interface circuits between microcontrollers and peripheral devices
Procurement Notes
Verify the specific suffix TL against official Rohm documentation to confirm taping specifications and reel dimensions. Confirm RoHS compliance status directly with the manufacturer as regulatory requirements may vary by production batch. Ensure design compatibility with the EMT3 footprint before procurement.
Selection Notes
Select this component for applications requiring a PNP digital transistor with integrated biasing in a small form factor. Verify that the required hFE range of 100 to 600 meets the circuit's switching speed and drive requirements. Consider the -50V rating when designing for higher voltage environments.
Part Context
The DTA144WETL belongs to the DTA144 series of PNP digital transistors produced by Rohm Semiconductor. This series is designed to replace discrete resistor-transistor combinations, reducing board space and assembly costs. The EMT3 package variant offers a standardized footprint compatible with various surface mount manufacturing processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Rohm Semiconductor or authorized distributors for verified cross-reference data.
