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1. Product Information: MMSTA92 Transistor

️· Type: NPN Silicon Transistor
️· Manufacturer: Diodes Incorporated
️· Marking Code: K3R (followed by date code - see Date Code Key below)
️· Date Code Key (Simplified): This table details the year and month codes used in the product marking. For example, 'N' indicates 2002 and '5' indicates May.
️· Green Molding Compound: Products manufactured after a certain date (06272006) use a "Green" molding compound.

2. Important Notices & Disclaimers:

️· Changes Without Notice: Diodes Incorporated reserves the right to make changes to product specifications without prior notification.
️· Liability Disclaimer: Diodes Incorporated assumes no liability for the use of their products. Users assume all risks associated with the use of the product.
️· Life Support Systems: The transistor is *not* recommended for use in life-support systems without express written approval from Diodes Incorporated.

3. Electrical Characteristics & Graphs (Detailed, but summarized where possible):

️· Figure 1: Max Power Dissipation vs. Ambient Temperature: Shows the maximum power the transistor can dissipate as a function of ambient temperature.
️· Figure 2: Collector Emitter Saturation Voltage vs. Collector Current: Illustrates how the saturation voltage changes with varying collector current.

️· Figure 3: DC Current Gain vs. Collector Current: Shows how the current gain (β) changes with varying collector current.
️· Figure 4: Base Emitter Voltage vs. Collector Current: Shows how the base-emitter voltage changes with varying collector current.
️· Figure 5: Gain Bandwidth Product vs. Collector Current: Shows the relationship between gain-bandwidth product and collector current.

4. Package Information

️· Packaging details can be found online at a specific URL provided in the document (ap02007.pdf).

In essence, this document provides a datasheet and important legal notices for the MMSTA92 transistor. It includes information on the product's specifications, electrical characteristics, marking codes, and limitations regarding its use.



If you're looking for a particular technical spec or want me to clarify a specific point from the data, please ask!