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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A SC75
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 1mA, 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 DTC124XET1 is an NPN silicon Bias Resistor Transistor (BRT) from onsemi, housed in the SC-75/SOT-416 surface-mount package. It integrates a single transistor with a monolithic bias network consisting of a series base resistor (R1) and a base-emitter resistor (R2). The device features a maximum collector current of 100 mA and a collector-emitter voltage rating of 50 Vdc. Internal resistors are specified at 22 kOhms for R1 and 47 kOhms for R2. Thermal dissipation reaches 200 mW on FR-4 boards with minimum pads, operating within a junction temperature range of -55°C to +150°C.
Feature Summary
- Integrates a single NPN transistor with a monolithic bias network containing two resistors to replace discrete components.
- Designed for low power surface mount applications using the SC-75/SOT-416 package.
- Modified gull-wing leads absorb thermal stress during soldering to eliminate die damage.
Applications
- Level shifting between 12V or 24V circuits and logic levels
- Open collector inverter configurations
- Unregulated current source implementations
Procurement Notes
Verify component authenticity by checking markings against official documentation. Confirm RoHS compliance status and ensure the ordering suffix matches the required packaging format. Validate that the specific batch meets automotive quality standards if AEC-Q101 qualification is necessary for the target application environment.
Selection Notes
Select this BRT when circuit design requires reducing board space and component count by integrating bias resistors. Ensure the 22k/47k resistor ratio aligns with input drive requirements. Verify that the 100mA collector current and 50V voltage ratings exceed the maximum load conditions expected in the final system operation.
Part Context
This component belongs to the DTC114EET1 Series, which includes various NPN digital transistors with different internal resistor values. All devices in this family share the same SC-75/SOT-416 package and fundamental electrical characteristics, differing primarily in their integrated resistance ratios to suit specific biasing needs.
Replacement Considerations
Compatible substitutes include DTC124XET1G, which denotes the lead-free variant of the same device. Other series members like DTC124EET1 offer identical functionality but with different internal resistor values (22k/22k), requiring circuit re-evaluation before substitution.
