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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 0.1A SST3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：-
- 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)：-
- Frequency - Transition：250 MHz
- Power - Max：350 mW
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SST3
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Overview
The DTC144ECAHZGT116 is an NPN digital transistor manufactured by 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 100mA. The device includes a base resistor (R1) of 47kΩ and an emitter-base resistor (R2) of 47kΩ. Key electrical parameters include a DC current gain (hFE) minimum of 68 at 5mA/5V, a transition frequency of 250MHz, and a power dissipation rating of 350mW. It is housed in an SOT-23-3 package and meets AEC-Q101 automotive qualification standards.
Feature Summary
- Integrates NPN bipolar junction transistor with dual internal bias resistors to reduce component count and board space.
- Automotive-grade reliability certified under AEC-Q101 standards for high-temperature operation up to +150°C.
- Optimized for low saturation voltage and high-speed switching with a 250MHz transition frequency.
Applications
- Inverter circuits in automotive systems
- Interface logic level shifting
- Driver stages for relays or small loads
Procurement Notes
Verify the complete part number including the suffix GT116 to ensure correct tape-and-reel packaging configuration. Confirm that the specific revision matches the required datasheet version for critical automotive applications. Check RoHS compliance status as indicated in the official documentation before finalizing procurement orders.
Selection Notes
Select this component when an NPN digital switch with 50V blocking capability and 100mA drive current is required. The 47kΩ input resistance provides a standard logic interface compatibility. Ensure the application temperature range does not exceed the specified maximum operating limit of +150°C for reliable long-term performance.
Part Context
This part belongs to the DTC144 series of pre-biased transistors from ROHM Semiconductor. It is specifically designed for automotive electronics requiring high reliability and compact surface-mount solutions. The SST3 package designation refers to the SOT-23-3 form factor commonly used in space-constrained PCB layouts.
Replacement Considerations
Direct substitutes within the same family include DTC144ECAHZG. Verify pinout compatibility and electrical parameter tolerances before substituting with other manufacturers' NPN digital transistors having similar R1/R2 values and VCEO ratings.
