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The NJVNJD2873T4G is a high-performance, high-reliability bipolar junction transistor (BJT) from onsemi, designed for medium-power switching and amplification needs in automotive electronics and industrial applications. Manufactured using advanced planar technology, it features a collector-emitter breakdown voltage of 50V and a continuous collector current capability of 2A, and is AEC-Q101 automotive qualified. Its low saturation voltage and high DC current gain make it effective for efficient power control and signal amplification in applications such as load switching, motor driving, and power management.
Category:Discrete Semiconductor Products;Transistors;Bipolar (BJT);Single Bipolar Transistors
Mfr:onsemi
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Current - Collector (Ic) (Max):2 A
Voltage - Collector Emitter Breakdown (Max):50 V
Vce Saturation (Max) @ Ib, Ic:300mV @ 50mA, 1A
Current - Collector Cutoff (Max):100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:120 @ 500mA, 2V
Power - Max:1.68 W
Frequency - Transition:65MHz
Operating Temperature:-65°C ~ 175°C (TJ)
Grade:Automotive
Qualification:AEC-Q101
Mounting Type:Surface Mount
Package / Case:TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package:DPAK
Base Product Number:NJVNJD2873
Low Saturation Voltage: Typical saturation voltage of only 300mV at 1A collector current minimizes conduction losses in the on-state, improving system efficiency.
High Current Gain: A minimum DC current gain (hFE) of 120 at 500mA, 2V means a relatively small base drive current can control a larger load current, simplifying drive circuit design.
Wide Safe Operating Temperature Range: Junction temperature range from -65°C to 175°C supports stable operation in extreme environments, particularly suitable for high-temperature areas like engine compartments.
Automotive-Grade Reliability & Certification: AEC-Q101 qualified, ensuring the device meets the automotive industry's stringent requirements for reliability, durability, and quality.
Good Frequency Response: A transition frequency of 65MHz enables it to handle medium-frequency switching and amplification applications with fast response.
Low Leakage Current: Very low collector cutoff current (typically 100nA) helps reduce standby power consumption.
Robust DPAK Package: Utilizes the standard DPAK (TO-252) surface-mount package, offering good thermal dissipation and mechanical strength, facilitating automated assembly.
Body Control Modules: Driving relays, LED arrays, small motors (e.g., window lift, mirror adjustment).
Engine Management Systems: Serving as an amplification or switching element in sensor signal conditioning or actuator drive circuits.
Power Distribution & Load Switching: Used for medium-power load on/off control in smart fuse boxes or electronic control units.
Industrial Control: Used as a power switch in PLC I/O modules, small motor controllers, and solenoid valve drivers.
Consumer Electronics: Used for motor control, power management, and backlight driving in appliances (e.g., washing machines, refrigerators).
Power Management: Used as a pass element or switching element in DC-DC converters and linear regulators.
Battery Management Systems: Used for balancing control or load switching within battery packs.
The NJVNJD2873T4G is a well-balanced, rugged, and reliable bipolar junction transistor that successfully combines low conduction loss, high current gain, and automotive-grade durability. Its characteristics make it an ideal choice to replace traditional MOSFETs or ordinary BJTs for better cost-performance and reliability. For medium-power applications in automotive and industrial systems that require stable and efficient control of currents up to a few amperes and voltages up to tens of volts, this device provides a certified, easy-to-use, and high-performance semiconductor switching solution. It serves as a reliable building block for engineers constructing robust power control links.
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