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Product Detailed Parameters
- Description：NPN, SOT-323, R2 ALONE TYPE
- 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)：22 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- 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 DTC124GU3T106 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-323 (UMT3) surface-mount package. It integrates biasing resistors to simplify circuit design. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V and a continuous collector current (Ic) of 100 mA. The device features a typical base resistor (R1) of 22 kOhms and an emitter-base resistance (R2) of 22 kOhms. It operates with a maximum power dissipation of 200 mW and supports a transition frequency up to 250 MHz. The minimum DC current gain (hFE) is specified at 56 under standard test conditions.
Feature Summary
- Integrates built-in biasing resistors to eliminate the need for external input components in inverter circuits.
- Designed for high-speed switching applications with a transition frequency reaching 250 MHz.
- Utilizes a compact SOT-323 package suitable for space-constrained surface-mount designs.
Applications
- Inverter circuits requiring simplified input stages.
- General-purpose switching applications in consumer electronics.
- Driver circuits for low-power loads in portable devices.
Procurement Notes
Verify the specific suffix 'GU3' against official ROHM documentation to confirm the exact resistor values and packaging configuration. Ensure compatibility with the target PCB footprint for the SOT-323 package. Cross-reference the datasheet for thermal derating curves if operating near the maximum temperature limit.
Selection Notes
Select this component when a single NPN digital transistor with 50 V rating and 100 mA current capacity is required. The integrated 22 kOhm resistors are suitable for standard logic interface levels. Consider the SOT-323 package size constraints and verify that the 200 mW power dissipation meets the thermal requirements of the application environment.
Part Context
This part belongs to the ROHM DTC series of Bias Resistor Built-in Transistors. The DTC124 variant specifically denotes an NPN configuration with dual 22 kOhm resistors. The GU3 suffix indicates the SOT-323 package type and tape-and-reel packaging format, distinguishing it from other package options like EU3 or XU3 within the same electrical family.
Replacement Considerations
Direct substitutes may include other ROHM parts such as DTC124EU3T106 or DTC124XU3T106, provided the package and resistor values match. Verify pinout compatibility and ensure equivalent electrical ratings for VCEO and Ic before substitution.
