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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.03A SPT
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Box (TB)
- 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：300 mW
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：SC-72 Formed Leads
- Supplier Device Package：SPT
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Overview
The DTA144ESATP is a PNP digital transistor with built-in resistors manufactured by ROHM Semiconductor. It features an SPT (SOT-723) surface-mount package and supports a supply voltage of -50V with a maximum collector current of -100mA. The device integrates two 47kΩ thin-film bias resistors, providing an input resistance (R1) and emitter-base resistance (R2) of 47kΩ each. Key electrical parameters include a DC current gain (hFE) range of 68 to 600, a transition frequency of 250MHz, and a power dissipation rating of 300mW at 25°C ambient temperature.
Feature Summary
- Built-in bias resistors enable inverter circuit configuration without external input components
- Thin-film resistor structure provides complete isolation for positive input biasing
- Designed to minimize parasitic effects through integrated resistor architecture
Applications
- Inverter circuits
- Interface logic applications
- Driver stages
Procurement Notes
Verify the specific suffix 'SATP' against official ROHM documentation to confirm the exact packaging type and reel specifications. Ensure compatibility with the SPT (SOT-723) footprint during PCB layout. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement.
Selection Notes
Select this component when a compact PNP digital solution with high current gain is required. The 47kΩ internal resistor ratio simplifies bias network design. Verify that the 300mW power dissipation rating meets thermal constraints for the intended application environment.
Part Context
This part belongs to the ROHM DTA144 series of digital transistors. The 'ESA' designation indicates the PNP polarity and 47kΩ/47kΩ resistor configuration. The 'TP' suffix typically denotes the SPT (SOT-723) tape-and-reel packaging format used for automated surface-mount assembly.
Replacement Considerations
Cross-reference with other DTA144 variants such as DTA144EE or DTA144EM if package changes are acceptable. Verify pinout compatibility between SPT and alternative packages like UMT3 or EMT3 before substitution.
