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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)：22 kOhms
- Resistor - Emitter Base (R2)：22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：60 @ 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 DTC124EET1G is an NPN Bipolar Digital Transistor (BRT) from onsemi, designed to replace a single transistor and its external biasing resistors. It integrates a monolithic bias network consisting of a series base resistor (R1) and a base-emitter resistor (R2). The device features a collector-emitter voltage (Vceo) of 50 V and a continuous collector current (Ic) of 100 mA. Standard configurations include R1 = 22 kΩ and R2 = 22 kΩ. Packaged in the SC-75 (SOT-416) surface-mount format with three leads, it offers simplified circuit design and reduced board space requirements.
Feature Summary
- Integrates a single NPN transistor with a monolithic bias network comprising two resistors to eliminate discrete components.
- SC-75/SOT-416 package utilizes modified gull-winged leads that absorb thermal stress during soldering to prevent die damage.
- Available in lead-free packages compliant with environmental standards.
Applications
- Interface driving circuits
- Inverter applications
- General-purpose switching
Procurement Notes
Verify the specific datasheet revision when sourcing, as resistor values for R1 and R2 may vary across different part number suffixes within the DTC124 family. Confirm the package type matches the target PCB footprint, typically SC-75 or SOT-416. Ensure the selected variant meets the required polarity (NPN) and voltage ratings for the intended application environment.
Selection Notes
Select this component when minimizing bill-of-materials count and PCB area is critical. Verify that the integrated resistor values (e.g., 22k/22k or 47k/47k) align with the logic drive requirements. Compare against similar BRTs like DTA124XET1G if PNP polarity is needed instead. Check AEC-Q101 qualification status if automotive reliability is required.
Part Context
This component belongs to onsemi's digital transistor portfolio, which consolidates discrete transistors and bias resistors into single packages. These devices are engineered to streamline design processes by reducing component count and simplifying layout. The DTC124EET1G specifically serves as an NPN solution within this series, offering a compact alternative to traditional discrete biasing networks.
Replacement Considerations
DTA124XET1G is a related PNP variant within the same family but differs in polarity. Direct substitutes should be verified against specific resistor ratios and package dimensions. Cross-reference with other NPN BRTs ensuring identical Vceo and Ic ratings.
