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In HIOKI 3030-10, Zener diode Short due to wrong using. I removed the zener diode and it works fine. I want the value or part number. My mail id is : annaisakthi@gmail.com

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Equilent for a zener diode (RD 30ESB2)


Zener diodes are invariably used as low power voltage regulators or as a voltage reference for voltage regulating circuitry.

Zener diodes are sold by wattage and reference voltage by numerous component suppliers and constructor stores and in theory the voltage is marked on them, though difficult to see and easily defaced.

Finding an equivalent for what appears to be a manufacturer's part number presents a rather difficult challenge. The official service sheet will probably provide the required voltage. Without that information you will either have to purchase the component from the manufacturer under the part number or experiment until the required value is discovered.

Mar 02, 2016 | Televison & Video

1 Answer

In panasonic modeltc-29sf3 pls give me the working voltage of zener diode with color code gray red red and red yellow in power supplyn section


just read the model and then google it, beside, if you short them, you need to replace them with same value, and this will be determined by the circuit, if you did not change the circuit - just buy two new diodes and install them, do not bother with voltages as they have some tolerance and type will determine it.

Jan 27, 2015 | Panasonic Televison & Video

1 Answer

MCS 160 Boston Subwoofer ZD3 Zener Diode Value


ZD3 is a 18v zener. Also check the surface mount resistor on the back of the board that is attached to ZD3, I think it is R9. Should be 10 ohms. This resistor sometimes opens when the diode goes short.

Jul 13, 2013 | Audio Players & Recorders

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Zd 3 diode value on boston acoustic soundware xs 5.1 subwoofer


Hello
Did you find the value of ZD3.
I need it too.
I have the same problem, and I take out the ZD3 and the subwoofer works. But I'm not sure that is correct. I think it may be the circuit stand by.

May 27, 2012 | Boston Acoustics SoundWare XS 5.1 Speaker...

1 Answer

Burnt Zener diode... Voltage spec??


On the cathode of the zener diode look for a filter cap and check its value the voltage of the zener should be less than the working voltage of the zener. Basicly its likely being used as a shunt regulator as protection and regulation of the voltage. When the zener hits a certain threshold it will breakdown and start conducting to ground until the supply regulates and then it will recover. If the filter cap for that voltage rail was 25V I would guess that the zener would probably be regulating between 12 and 20 volts. I'd pick a 15V Zener its probably +- %10 on the original and any system should be able to take a %10 tolerance as a general design rule.

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4 Answers

Ziener diode


Yes, Zener diodes can work both on forward and reverse biasing. The primary difference between a zener diode and the ordinary junction diode is it is designed specifically to operate with a reverse bias voltage that is high enough to cause the the device to breakdown and conduct a high reverse current. Hope this answers your question and provides you with some help. If you need further assistance please let me know.

If you do not mind, would you please rate my help. I would very much appreciate it. Thanks

Dec 08, 2008 | HP Pavilion dv6000z Notebook

3 Answers

UNKNOWN VALUE OF VOLTAGE ZENER DIODES


I was not able to find any service or schematic for this model. The colors means that the value is 22.6 volts zener diode with the other blue band indicating where the cathode is.
Could you tell me where or what other components this zener diode is connected to?

Jul 02, 2008 | Televison & Video

1 Answer

Zenerdiode


hi
vishu here ,
this is 8.2volts zener diode

mail me ur response @ vishwas_4u@rediffmail.com

Feb 26, 2008 | Computers & Internet

1 Answer

Your assistance


The Sony part number for these diodes is 8-719-108-12 and yes they are 9.1 volt zener diodes @ 1 watt. I have the service manual for this set if you need it put can only send a large file like this trough a proggy called pand, so if you go to pando.com and get the proggy and leave youe e-mail addy I will send you a copy of this service manual. Good Luck

Mar 26, 2007 | Sony KV-27S65 27" TV

5 Answers

Tv does not power up


I have seen the schematic, d982 is a 13v 1/2w zener
-GR

Jun 28, 2006 | Mitsubishi CS-35503 TV

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