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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A UMT3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 Only
- 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)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 5mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- 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 DTC144TUAT106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323-3 (UMT3) surface-mount package. It integrates a bias resistor network with a typical input resistance of 47 kOhms. Key electrical parameters include a collector-emitter maximum voltage (VCEO) of 50 V and a continuous collector current of 100 mA. The device features a minimum DC current gain (hFE) of 100 at 1 mA and 5 V, with a maximum operating frequency of 250 MHz. Power dissipation is rated at 200 mW, and the emitter-base voltage (VEBO) is specified at 5 V. The component supports a maximum operating temperature of +150 C.
Feature Summary
- Integrates a built-in bias resistor to simplify circuit design and reduce component count.
- Provides high-speed switching capability suitable for applications requiring fast response times.
- Offers compact surface-mount packaging for efficient board space utilization.
Applications
- General-purpose switching circuits
- Driver circuits for relays and solenoids
- Logic level translation interfaces
Procurement Notes
Verify the specific ordering suffix AT106 to confirm the tape-and-reel packaging configuration and quantity per reel. Ensure compatibility with standard SMT assembly processes for the SOT-323-3 footprint. Confirm RoHS compliance status through official manufacturer documentation prior to final procurement decisions.
Selection Notes
Select this component when a single NPN digital transistor with a 47 kOhm base resistor is required in a small SOT-323-3 package. Consider the 50 V voltage rating and 100 mA current capacity against load requirements. Evaluate thermal management needs based on the 200 mW power dissipation limit in the intended application environment.
Part Context
This part belongs to the DTC144TUA series of Bias Resistor Built-in Transistors (BRBTs). The series offers various configurations with different resistor values and packages. The DTC144TUAT106 specifically denotes the NPN type with 47 kOhm resistance in the UMT3 package format.
Replacement Considerations
Cross-reference with other ROHM parts in the DTC144TUA series for alternative resistor values or packages. Verify pinout compatibility before substituting with similar components from other manufacturers to ensure functional equivalence.
