1. General Information:

️· Part Number: MMBTA28
️· Manufacturer: Diodes Incorporated
️· Device Type: NPN Silicon Transistor
️· Website: www.diodes.com
️· Datasheet Revision: Rev. 9 - 2, 3 of 3 (indicating a large document)
️· Disclaimer: Datasheet subject to change, manufacturer reserves rights.

2. Ordering Information & Packaging:

️· Part Number: MMBTA28-7-F
️· Package: SOT-23
️· Shipping Quantity: 3000 units per reel (Tape & Reel)
️· Packaging Details Link: [http://www.diodes.com/datasheets/ap02007.pdf](http://www.diodes.com/datasheets/ap02007.pdf)

3. Marking Information:

️· Product Type Marking Code: K6R
️· Date Code Format: YM (Year Month)
️· Year Examples: T (2006), U (2007), V (2008), W (2009), X (2010), Y (2011), Z (2012)
️· Month Codes: 1=Jan, 2=Feb, 3=Mar, 4=Apr, 5=May, 6=Jun, 7=Jul, 8=Aug, 9=Sep, O=Oct, N=Nov, D=Dec.

4. Electrical Characteristics (Key Values and Notes - More detailed values would be in the full datasheet):

️· Vce (Collector-Emitter Voltage): 5V (used as a test condition for some graphs)
️· Ambient Temperature (Ta): -50°C to 150°C (used as a parameter in graphs)
️· Collector Current (Ic): Ranges from 0.1mA to 1000mA are shown in the graphs (limited by graphs displayed)

5. Graphs and Figures (Descriptions, not full data):

️· Fig. 1: Max Power Dissipation vs. Ambient Temperature - Shows how maximum power dissipation changes with ambient temperature.
️· Fig. 2: Typical Collector-Emitter Saturation Voltage vs. Collector Current - Shows how saturation voltage varies with collector current.
️· Fig. 1: Typical Base-Emitter Voltage vs. Collector Current - Displays the relation between voltage and collector current
️· Fig. 2: Typical Gain Bandwidth Product vs. Collector Current - Demonstrates gain-bandwidth product performance versus collector current.

6. Life Support Systems:

️· The transistor is *not* authorized for use in life support devices without specific written approval from the President of Diodes Incorporated.

Important Considerations:

️· This is a partial summary. The full datasheet contains more detailed electrical characteristics, mechanical dimensions, application information, and other relevant data. Refer to the complete datasheet (link provided) for the definitive specifications.
️· The graphs present a visual representation of performance; precise numerical values would be found in tables within the full datasheet.