smd alkatrész code utáni azonositása

mivel mérted?

Bálint

Leirtam, csatoltam adatlapot... mi kell még hozzá, kisúj eskű? 
Biztos tudod hogy a tranzisztor, dioda milyen rétegekből épül fel.

Szia!
Az A7W az két dióda egy tokban, így hasonlóan mérhető, mintha tranzisztor lenne. Ne tévesszen meg.
https://www.alldatasheet.net/datasheet-pdf/view-marking/1005385/HDSEMI/B...
A képről ha jól látom, az A7 dupla diódának az egyik fele a táphoz, a másik fele a földhöz van kötve, záróirányban, a közepe meg gondolom valami bejövő jelre. A feladata, hogy a 0-nál kisebb, vagy a tápnál nagyobb fesztől megóvja az utána lévő alkatrészeket.

szia. ahány ház, annyi szokás

The A7W is a surface-mount device (SMD) transistor, specifically a dual diode in a SOT-23 package. It is commonly used as a switching diode and can also be found in applications like power management and signal amplification. The A7W is known for its compact size, energy efficiency, and fast switching speed, making it suitable for high-frequency applications. 
Here's a more detailed breakdown:

• Type: The A7W is a dual diode, meaning it contains two diodes within the same package. 
• Package: It comes in a SOT-23 package, which is a small surface-mount package. 
• Function: The primary function of the A7W is to act as a switch, controlling the flow of electrical current. It can also be used as an amplifier. 
• Applications:
  • Switching: It's used to turn circuits on and off, controlling the flow of current. 
  • Amplification: It can amplify electrical signals. 
  • Power Management: It plays a role in managing the power within a circuit. 
  • Telecommunications, Automotive, and Aerospace: Due to its versatility and reliability, it's used in various industries. 
• Features:
  • Compact Design: The SOT-23 package makes it ideal for space-constrained applications. 
  • Energy Efficiency: It's known for its low power consumption. 
  • Fast Switching Speed: It can switch on and off quickly, making it suitable for high-frequency applications. 
• Marking: The marking code on the component is A7W. 
• Equivalent Components: The BAV99 is a common equivalent to the A7W. 

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• BAV99 A7W 100V 215mA Dual High Speed Diode SOT-23
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• Összes

https://www.alldatasheet.net/datasheet-pdf/view-marking/395959/ONSEMI/BC...