Samsung 0501-000465 Npn Small Signal Transistor 350mw

Product Description

The SAMSUNG 0501-000465 is an NPN small signal transistor rated at 350 milliwatts, packaged in the industry-standard SOT-23 surface-mount footprint. Identified by the cross-reference designation MMBT3904, this device is a surface-mount equivalent of the widely used 2N3904 general-purpose NPN transistor. It is used in low-power switching and amplification circuits across consumer electronics, HVAC control boards, and embedded assemblies. Installation and repair technicians working on Samsung-branded boards and assemblies, as well as electronics repair professionals sourcing discrete components, will recognize this part by its MMBT3904 designation.

This transistor is suited for low-level signal switching and amplification in compact PCB layouts. The SOT-23 package makes it compatible with automated surface-mount assembly processes as well as hand-soldering rework operations. It is commonly found on control boards and logic-level circuitry in consumer electronics, tablets, and similar Samsung products requiring a reliable NPN switching element in a small form factor.

Key Features

• NPN bipolar junction transistor in SOT-23 surface-mount package
• 350 milliwatt power dissipation rating suitable for small signal applications
• Cross-references to MMBT3904, a widely stocked general-purpose NPN device
• Compact SOT-23 footprint compatible with standard SMT assembly and rework
• OEM Samsung component for board-level repair and replacement

Compatibility

Designed as an OEM Samsung replacement transistor for board-level repair on Samsung electronics assemblies where the MMBT3904 NPN SOT-23 device is specified.

Installation Notes

Installation of surface-mount transistors requires board-level electronics rework skills and is performed by qualified electronics technicians. Power down and fully discharge the assembly before beginning any component-level work. Use appropriate ESD precautions, including a grounded wrist strap and anti-static work surface, to prevent damage to the device or surrounding circuitry. Reflow or hand-soldering with temperature-controlled equipment is recommended to avoid pad or component damage.

Technical Specifications

• Transistor Type: NPN
• Power Dissipation: 350 milliwatts
• Package: SOT-23
• Cross-Reference: MMBT3904

Standard Information

• Brand: SAMSUNG
• Manufacturer Part Number: 0501-000465