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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A SPT
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Box (TB)
- Resistors Included：R1 and R2
- Transistor Type：NPN - 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 250µA, 5mA
- 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 DTC143ZSATP is an NPN digital transistor from ROHM Semiconductor, featuring built-in bias resistors (R1=4.7kΩ, R2=47kΩ) in a SMT3 package. It supports a supply voltage of 50V and a continuous collector current of 100mA with a power dissipation of 150mW. The device offers a minimum DC current gain of 80 and a transition frequency of 250MHz. Operating temperatures range from -55°C to +150°C.
Feature Summary
- Built-in thin-film bias resistors enable inverter circuit configuration without external input components.
- Complete isolation between bias resistors allows for negative input biasing.
- Simplified design process by requiring only on/off condition settings.
Applications
- Inverter circuits
- Interface logic
- Driver applications
Procurement Notes
Verify the specific suffix 'ATP' against official ROHM documentation, as standard datasheets list 'TP' or 'T146'. Confirm availability status directly with the manufacturer, as distribution channels may vary. Ensure the ordering code matches the required packaging specifications for production integration.
Selection Notes
Select this component for space-constrained designs requiring integrated biasing. The SMT3 package provides a compact footprint suitable for surface mount assembly. Verify that the 50V rating and 100mA current capacity align with the target circuit requirements before implementation.
Part Context
This part belongs to the DTC143Z series of pre-biased transistors. It shares electrical characteristics with variants like DTC143ZSA but differs in packaging. The series is designed for general-purpose switching and amplification tasks in consumer electronics.
Replacement Considerations
DTC143ZSA is a direct functional equivalent within the same series. Other compatible parts include DTC143ZE and DTC143ZM, though package differences must be accounted for during replacement.
FAQ
What is the resistance ratio of the built-in resistors?
The resistance ratio (R2/R1) is typically 10, with R1 at 4.7kΩ and R2 at 47kΩ.
Can this transistor handle negative input bias?
Yes, the thin-film resistors provide complete isolation, allowing for negative biasing of the input terminal.
What is the maximum junction temperature?
The maximum junction temperature (Tj) is 150°C.
