![]() Targeting Cookies: These cookies may be set through our site by Analog Devices and our service providers. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. All information these cookies collect is aggregated and therefore anonymous. They help us to know which pages are the most and least popular and see how visitors move around the site. Performance Cookies: These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. If you do not allow these cookies then some or all of these services may not function properly. They may be set by us or by third party providers whose services we have added to our pages. Functional Cookies: These cookies enable the website to provide enhanced functionality and personalization. These cookies do not store any personally identifiable information. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. Strictly Necessary Cookies: (Always Active) These cookies are necessary for the website to function and cannot be switched off in our systems. After we finish updating our website, you will be able to set your cookie preferences. For those of you who know HP Agilent Keysight gear well, how should I decode the following line from the parts list into a real, specific transistor? Once I've got that, I know how to find a replacement (based on cross ref or just parameters): Ref HP PN Description Mfr Mfr PN A4Q906 1853-0016 TRANSISTOR PNP SI TO-92 PD=300MW 28480 1853-0016 Googling 1853-0016 doesn't give me anything useful and I don't want to just drop a random transistor in there.Analog Devices is in the process of updating our website. For instance, I've got a TO-92 at Q906 which has less-than-helpful silkscreen printing on it and the parts list in the schematic hasn't helped me so far. My question is more of a "how to do this" one versus a "which part do I need in this specific case" question. Quote from: dlucy67 on March 28, 2016, 05:04:56 pm I'm digging into a piece of HP gear, a 3466A digital multimeter, and I need to understand how I'd find a suitable replacement for a given transistor. Where can I take the above info, look it up, and yield a datasheet or at least the critical parameters to then go look for a replacement transistor? For those of you who know HP Agilent Keysight gear well, how should I decode the following line from the parts list into a real, specific transistor? Once I've got that, I know how to find a replacement (based on cross ref or just parameters): Ref HP PN Description Mfr Mfr PN A4Q906 1853-0016 TRANSISTOR PNP SI TO-92 PD=300MW 28480 1853-0016 Googling 1853-0016 doesn't give me anything useful and I don't want to just drop a random transistor in there. I'm digging into a piece of HP gear, a 3466A digital multimeter, and I need to understand how I'd find a suitable replacement for a given transistor.
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