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Partnumber	Manufacturer	Quantity	Availability
PMSS3904 Manufacturer: PHILIPS, NXP/PHILIPS, NXP NPN switching transistor
PMSS3904	PHILIPS, NXP/PHILIPS, NXP	33039	In Stock
Description and Introduction NPN switching transistor Introduction to the PMSS3904 Electronic Component The PMSS3904 is a widely used PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and performance, this component is commonly employed in low-power circuits, signal processing, and driver stages. With a collector-emitter voltage (VCEO) rating of -40V and a continuous collector current (IC) of -200mA, the PMSS3904 is suitable for a variety of electronic designs. Its high current gain (hFE) ensures efficient signal amplification, while its compact SOT-23 package makes it ideal for space-constrained applications. Key features of the PMSS3904 include low saturation voltage, fast switching speeds, and stable performance across a broad temperature range. These characteristics make it a versatile choice for audio amplifiers, sensor interfaces, and digital logic circuits. Engineers and hobbyists favor the PMSS3904 for its ease of integration and cost-effectiveness. When selecting this transistor, designers should consider its electrical specifications to ensure compatibility with their circuit requirements. Proper handling and adherence to datasheet guidelines are essential for optimal performance and longevity. In summary, the PMSS3904 is a dependable PNP transistor that balances efficiency, durability, and versatility, making it a valuable component in modern electronics.
Application Scenarios & Design Considerations NPN switching transistor
Alternative Part Number MMBT3904 --: Very common NPN small-signal transistor in SOT-23 with similar Vceo, Ic and gain, widely available and often used as a direct substitute for PMSS3904. 2N3904 --: Classic through-hole NPN general-purpose transistor with comparable electrical ratings; suitable if board space allows a TO-92 package or for prototyping. BC847 --: SOT-23 NPN transistor with similar small-signal switching characteristics and current rating, a practical alternative when 3904-series parts are unavailable. MMBT3904 --: Very common NPN 40V 200mA small-signal transistor in SOT-23, electrically equivalent to the 3904 family and widely available. 2N3904 --: Classic through-hole NPN 40V 200mA transistor with the same 3904 characteristics; use if a TO-92 package is acceptable. BC847B --: SOT-23 NPN 45V 100mA general-purpose transistor from the same manufacturer family, suitable for most low-current switching and amplification replacements. MMBT3904 --: Very common NPN 40V 200mA small-signal transistor in SOT-23, direct electrical and footprint equivalent to PMSS3904. 2N3904 --: Classic NPN 40V 200mA general-purpose transistor with the same die characteristics, suitable if through-hole or alternate package is acceptable. BC847B --: NPN 45V 100mA SOT-23 transistor from the same manufacturer family, a practical substitute for low-power switching and amplification.

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