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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A SC75
- Series：-
- Mfr：onsemi
- 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 300µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：-
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-75, SOT-416
- Supplier Device Package：SC-75, SOT-416
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Overview
The DTC144EET1G is an NPN Bias Resistor Transistor (BRT) featuring a monolithic bias network with a series base resistor (R1) and a base-emitter resistor (R2), both nominally 47 kΩ. It replaces discrete components in a single SC-75 (SOT-416) package. Key electrical ratings include a collector-emitter voltage of 50 Vdc, continuous collector current of 100 mAdc, and total device dissipation of 200 mW at 25°C. The DC current gain (hFE) ranges from 80 to 140 at 5 mA and 10 V. Input resistors have a tolerance range of 32.9 kΩ to 61.1 kΩ.
Feature Summary
- Integrates a single transistor with a monolithic bias network consisting of two resistors to eliminate external components.
- Designed to simplify circuit design by reducing board space and component count.
- Compliant with RoHS standards and free of lead, halogens, and brominated flame retardants.
Applications
- Industrial control systems
- Power management circuits
- Automotive applications requiring AEC-Q101 qualification
Procurement Notes
Verify the specific ordering suffix 'ET1G' corresponds to the SC-75 package and 3000-unit tape and reel shipping configuration. Confirm that the device marking matches the datasheet diagram for the DTC144E series. Ensure compliance with Pb-Free and Halogen-Free requirements if specified for the target application environment.
Selection Notes
Select this component when a compact NPN switching solution with integrated biasing is required. The 47 kΩ resistor ratio suits standard logic interface levels. Consider thermal derating curves for high ambient temperatures. Verify that the 50 V collector-emitter voltage rating meets the maximum operating voltage of the circuit.
Part Context
This part belongs to the DTC144E series of digital transistors manufactured by onsemi. It shares the same internal schematic and electrical characteristics as other variants in the family, such as MUN2213T1G and DTC144EM3T5G, but differs in physical packaging and shipping quantities. The SC-75 package provides a small form factor suitable for surface-mount assembly.
Replacement Considerations
Direct functional replacements within the same family include SDTC144EET1G (automotive qualified) and DTC144EM3T5G (SOT-723 package). Substituting with different packages requires verifying pinout compatibility and thermal performance differences.
