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Seagate TVS identification

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cpuhost

Post subject: Seagate TVS identification

Posted: June 14th, 2011, 16:00

Joined: April 26th, 2011, 15:03
Posts: 45
Location: United States

http://i.imgur.com/i3dE7.jpg

I've been doing some quick digging for these and ST micro doesnt list these items.

Does anyone recognize them as the circuit board i have is shorted out and i was going to remove them.
I would rather for a second set of eyes before i remove it.

thx

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cpuhost

Post subject: Re: Seagate TVS identification

Posted: June 14th, 2011, 17:00

Joined: April 26th, 2011, 15:03
Posts: 45
Location: United States

Scratch that, they are a 5v and 12v tvs

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fzabkar

Post subject: Re: Seagate TVS identification

Posted: June 14th, 2011, 20:24

Joined: September 8th, 2009, 18:21
Posts: 16955
Location: Australia

BUX marking = 12V TVS diode
AE marking = 5V TVS diode

See my notes:
http://www.users.on.net/~fzabkar/HDD/TVS_diodes.txt

"621" and "617" are YWW (Year / Week) date codes.

"e3" (?) is an RoHS marking indicating the part's lead-free composition.

SMAJ5.0A, AE marking, 5V TVS diode, ST Microelectronics:
http://www.st.com/stonline/products/lit ... 4/smaj.pdf

SMBJ, 600W Transil, ST Microelectronics:
http://www.st.com/stonline/products/lit ... s/5616.pdf

_________________
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