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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.1A 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)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：4.7 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 10mA, 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
DTA143EETL is a PNP digital transistor manufactured by Rohm Semiconductor, featuring built-in bias resistors in an EMT3 (SOT-416) surface-mount package. It operates with a maximum collector-emitter voltage of 50 V and a continuous collector current of 100 mA. The device includes two integrated resistors: R1 (base) and R2 (emitter), both valued at 4.7 kOhms. Key electrical parameters include a DC current gain (hFE) of 30 minimum at 10 mA/5 V, a saturation voltage of 300 mV max at 500 µA base/10 mA collector, and a transition frequency of 250 MHz. Power dissipation is rated at 150 mW.
Feature Summary
- Integrates dual bias resistors to simplify circuit design and reduce component count.
- Optimized for high-speed switching applications with a 250 MHz transition frequency.
- Compact SMD footprint suitable for space-constrained PCB layouts.
Applications
- General-purpose signal switching
- Interface driver circuits
- Logic level translation
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout compatibility and packaging type. Ensure the source document explicitly lists DTA143EETL as the active part number. Cross-reference RoHS compliance status if environmental regulations apply to the target assembly. Confirm lead times directly with authorized distributors rather than relying on generic estimates.
Selection Notes
Select this component when a PNP configuration with equal 4.7 kOhm biasing resistors is required. Verify that the 50 V breakdown voltage and 100 mA current rating meet the load requirements. Compare the 150 mW power dissipation limit against thermal constraints in the final enclosure. Ensure the EMT3 package dimensions fit within the designated board area.
Part Context
The DTA143EETL belongs to Rohm's DTA143 series of pre-biased transistors. This series standardizes the integration of NPN or PNP transistors with specific resistor ratios. The EETL suffix typically denotes the EMT3 package variant. Other variants in the family may differ in resistance values or package types such as UMT3.
Replacement Considerations
Direct substitutes must match the PNP polarity, 50 V rating, 100 mA current, and 4.7 kOhm/4.7 kOhm resistor ratio. Verify package compatibility with EMT3/SOT-416. Check datasheets for equivalent hFE and fT specifications to ensure performance parity in switching applications.
