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MBT3904DW1T1G

MBT3904DW1T1G Description

The MBT3904DW1T1G from onsemi is a high-performance dual NPN bipolar junction transistor (BJT) in a compact SC-88/SC70-6 surface-mount package. Designed for general-purpose amplification and switching applications, it offers a 40V collector-emitter breakdown voltage (V_CEO) and a 200mA continuous collector current (I_C). With a transition frequency (f_T) of 300MHz, it ensures excellent high-frequency performance, making it suitable for RF and signal processing circuits. The device features a low V_CE(sat) of 300mV at 5mA base current (I_B) and 50mA collector current, enhancing efficiency in switching applications. Compliant with ROHS3 and REACH standards, it is ideal for modern, environmentally conscious designs.

MBT3904DW1T1G Features

• Dual NPN Configuration: Two matched transistors in a single package, saving board space and improving symmetry in differential circuits.
• High DC Current Gain (h_FE): Minimum 100 at 10mA I_C and 1V V_CE, ensuring reliable amplification.
• Low Saturation Voltage: 300mV max at 50mA I_C, reducing power loss in switching applications.
• High Transition Frequency: 300MHz f_T supports high-speed signal processing.
• Compact SC-88/SC70-6 Package: Ideal for space-constrained designs.
• Wide Operating Range: -55°C to +150°C junction temperature, suitable for industrial environments.
• MSL1 (Unlimited): No moisture sensitivity concerns, simplifying storage and handling.

MBT3904DW1T1G Applications

• Signal Amplification: Audio preamps, sensor interfaces, and low-noise analog circuits.
• High-Speed Switching: Digital logic, pulse shaping, and driver stages.
• RF Circuits: Oscillators, mixers, and low-power RF amplifiers.
• Differential Pairs: Balanced amplifiers and comparator circuits due to matched transistor characteristics.
• Portable Electronics: Battery-powered devices where low V_CE(sat) and compact size are critical.

Conclusion of MBT3904DW1T1G

The MBT3904DW1T1G stands out as a versatile, high-performance dual NPN transistor, combining low saturation voltage, high gain, and excellent frequency response in a miniature package. Its ROHS3 compliance, wide temperature range, and MSL1 rating make it a robust choice for industrial, consumer, and RF applications. Engineers will appreciate its space-saving dual configuration and reliable performance, particularly in designs requiring matched transistors or efficient switching. For cost-effective, high-density PCB layouts, this device delivers superior performance compared to discrete alternatives.