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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 Only
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：160 @ 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 DTC143TET1 is an NPN silicon Bias Resistor Transistor (BRT) from the DTC114EET1 series, manufactured by onsemi. It integrates a single transistor with a monolithic bias network consisting of a series base resistor and a base-emitter resistor into a single SC-75/SOT-416 package. The device features a collector-base voltage of 50 Vdc, a collector-emitter voltage of 50 Vdc, and a maximum collector current of 100 mAdc. The internal resistors are specified as R1 = 4.7 kΩ and R2 = ∞ (open). It operates within a junction temperature range of -55 to +150 °C.
Feature Summary
- Integrates a single NPN transistor with a monolithic bias resistor network to replace discrete components
- Reduces board space and component count in circuit designs
- SC-75/SOT-416 package designed for low power surface mount applications
- Modified gull-winged leads absorb thermal stress during wave or reflow soldering
Applications
- Level shifting between 12V/24V circuits and logic levels
- Open collector inverter configurations
- Unregulated current source applications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and environmental compliance. Confirm that the required resistor values match the design specifications before procurement. Ensure compatibility with the intended surface mount soldering process.
Selection Notes
Select this component when a compact NPN switching solution with integrated biasing is required. The open base-emitter resistor configuration distinguishes it from other variants in the series. Verify that the 50V voltage rating and 100mA current capacity meet the system requirements.
Part Context
This part belongs to the DTC114EET1 series of Bias Resistor Transistors. These devices are designed to simplify circuit design by replacing a single transistor and its external resistor bias network. The series includes various resistor combinations to suit different input drive conditions.
Replacement Considerations
Direct substitutes within the same series include DTC143EET1 and DTC143ZET1, which share similar characteristics but differ in internal resistor values.
