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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 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：33 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：-
- 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 DTC123YU3T106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in a SOT-323 (UMT3) surface-mount package. It features built-in bias resistors with a typical base resistance (R1) of 2.2 kOhms and an emitter-base resistance (R2) of 10 kOhms. The device supports a supply voltage of 50 V and a continuous collector current of 100 mA. Key electrical parameters include a minimum DC current gain (hFE) of 33 at 10 mA and 5 V, a maximum operating frequency of 250 MHz, and power dissipation of 200 mW. The saturation voltage is specified at 300 mV under specific test conditions.
Feature Summary
- Integrates internal bias resistors to simplify circuit design and reduce component count.
- Provides high-speed switching capabilities suitable for applications requiring fast response times.
- Offers robust performance within a compact surface-mount footprint.
Applications
- General-purpose switching circuits
- Driver circuits for logic interfaces
- Level shifting applications
Procurement Notes
Verify the current lifecycle status before procurement, as this component may be designated as Not Recommended for New Designs (NRND). Confirm that the SOT-323 package dimensions align with existing PCB footprints. Ensure that the built-in resistor values meet the specific drive requirements of the target application without external components.
Selection Notes
Select this part when a compact NPN digital transistor with a 2.2 kOhm base resistor is required. Compare the 2.2 kOhm input resistance against other variants like the DTC114 series if higher impedance is needed. Verify that the 50 V collector-emitter voltage rating exceeds the maximum circuit voltage. Check the hFE gain specifications to ensure adequate drive capability for the load.
Part Context
This component belongs to the DTC123EUA family of digital transistors from ROHM Semiconductor. It shares the same functional architecture but differs in packaging or specific ordering suffixes compared to related parts like the DTC123EUAT106. The DTC123YU3T106 specifically utilizes the UMT3/SOT-323 package format, distinguishing it from larger packages in the broader product line.
Replacement Considerations
The DTC123YU3HZGT106 is listed as a similar level replacement with the same pinout and package. Both parts share identical electrical characteristics including 50 V supply, 100 mA current, and 2.2 kOhm input resistance. Verify AEC-Q101 qualification status if automotive reliability is required.
