Re: [Usbpicprog-technical] [usbpicprog-technical] Re: Contact: Burned d9 on smd programmer

[Frans S. <fra...@gm...>]

The footprint is 1206, but it fits minimelf or SMF packages as well.

On 01/13/2011 02:28 PM, bisky wrote:
> Hello again,
>  Tx for the fast response, I tested the programmer and every thing
> else seems to be okay. Just one queston, what packege is this diode.
>
> Regards, Bojan
>> Dear Bojan Biskup,
>>
>> The transistor Q3 can handle a much higher current than D9 and will thus
>> not easily blow out. If the rest of the programmer is still working
>> (e.g. the VPP should be ~12V)
>> You can test this by means of the IO Test dialog in the usbpicprog
>> application.
>> In fact I think only D9 will have been distroyed, and this can be easily
>> replaced.
>> You can use any diode as long as it fits the footprint. You can even
>> just short circuit D9, but in that case you can't connect an external
>> powersupply while connecting usbpicprog at the same time.
>>
>> Kind regards,
>>
>> Frans Schreuder
>>
>> ps. I have also forwarded this e-mail to the mailing list because it
>> could be useful for others.
>>
>> On 01/13/2011 01:47 PM, Bojan Biškup wrote:
>>> Name: Bojan Biškup
>>>
>>> Email: bi...@gm...
>>>
>>> Subject: Burned d9 on smd programmer
>>>
>>> Message: Hello Frans
>>> Today I managed to destroy D9 on the programmer, I guess the iscp was
>>> connected wrong. I wonderd if U know of a such case and if any thing
>>> else was burned.
>>>
>>> Regards, Bojan
>>>
>>>
>>>
>>
>