what is this SMT component?

V

VictorPS

Member

• Nov 22, 2007

• #1

Hi,

What is the SMT component in the picture?
It label DV5 and Z2W.

How do I lookup what actual component is it?
Any reference?

Note: Photo Attached.

Thank you.
Victor

 

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Krumlink

New Member

• Nov 22, 2007

• #2

Very hard to tell, but it may be a transistor. I have never used SMD before, so I could be wrong. I don't know how you would find the part no to that, but maybe one of the other members knows how to.

 

V

VictorPS

Member

• Nov 22, 2007

• #3

Thanks for quick reply, but I think there is a table that can lookup the part number.

I try google, the part may be Zener diode, but no further information or datasheet.

 

Nigel Goodwin

Super Moderator

Most Helpful Member

• Nov 23, 2007

• #4

SM devices are really difficult to identify - basically you look in the service manual what it is, and order the replacement as a spare part!.

 

erosennin

New Member

• Nov 23, 2007

• #5

Well I believe the one marked "DV5" is a
2SD596 - DV5, manufactured by NEC
http://www.eu.necel.com/_pdf/D17880EJ1V0DS00.PDF

Still looking for the other one...

Edit: Not much luck on "Z2W" - if you can post the make and model of what you are working on, we may be able to assist you in finding a service manual.

 

Last edited: Nov 23, 2007

V

VictorPS

Member

• Nov 25, 2007

• #6

Thanks everone.
It don't have service manual, and i am helping someone to ask.

May be when I see the real board, I have chance to desolder it and measure using multimeter.

 

K

kjennejohn

New Member

• Nov 25, 2007

• #7

These look like SOT23 packages. We have 1n4148 signal diodes at work in these packages. One has a single diode, the other is a dual package. As mentioned, transistors are a possibility too.

Happy holidays!
kenjj

 

V

VictorPS

Member

• Nov 26, 2007

• #8

The Z2W could be BZX84C5V1 - 5.1V, 0.35W Zener Diode. (Philips)
https://www.chipcatalog.com/Datasheet/0DC0F50AF6D6E335A503DB916B5F3CB0.htm

It have marking of Z2, and W is because made in China.

Thanks to everybody.

 

mvs sarma

Well-Known Member

• Nov 26, 2007

• #9

diodes or zenors in sot23 package have a lead unused.