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Product Detailed Parameters
- Description：NPN, SOT-323, R1R2 LEAK
- 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)：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：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：UMT3
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Overview
The DTC144WU3T106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323-3 surface-mount package. It integrates bias resistors to simplify circuit design. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device features a typical input resistance (R1) of 47 kOhms with a resistor ratio of 0.47. Minimum DC current gain (hFE) is specified at 56 under conditions of 5 mA collector current and 5 V voltage. Maximum operating frequency reaches 250 MHz, with power dissipation rated at 200 mW and a maximum operating temperature of +150°C.
Feature Summary
- Integrates built-in bias resistors to eliminate external components for inverter circuits
- Designed for high-speed switching applications with a maximum operating frequency of 250 MHz
- Utilizes compact SOT-323-3 packaging for efficient surface-mount assembly
Applications
- Inverter circuits requiring simplified input stages
- General-purpose switching applications in portable devices
- Interface circuits for microcontrollers and logic gates
Procurement Notes
Verify the specific suffix 'T106' against official ROHM documentation to confirm tape-and-reel packaging quantities and RoHS compliance status. Ensure the ordering part number matches the exact electrical characteristics required for the target application, as suffixes may indicate variations in packaging or regional specifications.
Selection Notes
Select this component when a single NPN configuration with a 47 kOhm base resistor is required. Verify that the 50 V collector-emitter voltage and 100 mA current ratings exceed the maximum load requirements. Confirm compatibility with the SOT-323-3 footprint during PCB layout design.
Part Context
This component belongs to the ROHM DTC144 series of digital transistors. These devices are standard-grade products designed for general electronic equipment. They are not recommended for use in automotive applications according to manufacturer guidelines. The series offers various resistor ratios and polarities to suit different circuit needs.
Replacement Considerations
Direct substitutes within the same family include DTC144WUA and DTC144WUAT106. Cross-manufacturer equivalents such as Diodes Incorporated DDTC144VCA-7-F offer parameter-equivalent performance but require verification of pinout and thermal characteristics.
