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Transistor part number suffixes--215? 235? Whazzat?

Started by Phil Hobbs November 11, 2016
On Sunday, November 13, 2016 at 1:23:56 PM UTC-5, amdx wrote:
> On 11/13/2016 11:11 AM, Phil Hobbs wrote: > > On 11/12/2016 02:38 PM, Tom Biasi wrote: > >> On 11/12/2016 11:01 AM, Phil Hobbs wrote: > >>> On 11/11/2016 07:40 PM, Tom Biasi wrote: > >>>> On 11/11/2016 9:31 AM, Phil Hobbs wrote: > >>>>> So I bought a reel each of BF862-235 and BF862-215. Other parts > >>>>> seem to > >>>>> have the same suffixes, but a quick web search comes up with nothing > >>>>> useful, and the datasheet links for the two types of parts go straight > >>>>> to the same place. > >>>>> > >>>>> I'd guess this has something to do with ROHS/halogen > >>>>> free/greenie-knotted-knickers-of-the-month, but don't know for sure. > >>>>> > >>>>> Wisdom? > >>>>> > >>>>> Thanks > >>>>> > >>>>> Phil Hobbs > >>>>> > >>>> http://www.mouser.com/ProductDetail/NXP-Semiconductors/BF862215/?qs=me8TqzrmIYXPelqVgccocw== > >>>> > >>>> > >>> > >>> Thanks, that's the page I bought them from. I don't see anything about > >>> what the 215 or 235 means, though. > >>> > >>> Cheers > >>> > >>> Phil Hobbs > >>> > >>> > >> http://www.nxp.com/pages/n-channel-junction-fet:BF862?tab=Package_Quality_Tab&pspll=1 > >> > >> > >> > >> > > Ah, okay, reel size. Thanks. > > > > Cheers > > > > Phil Hobbs > > > Are you sure? > As I said above, > >On the Mouser site, I see the Continuous drain current is different, > >the 235 is 25ma the 215 is 40ma. However look it over, the > >description column has 25ma for the 235 and 10ma for the 215. > > I'll let you figure it out from there. > >Good luck! > Mikek
The transistor itself seems to be identical. The same spec sheet is referenced for both: http://www.mouser.com/ds/2/302/BF862-840156.pdf For some reason, NXP's or Mouser's data-capture picked out two different Idss specs. (25mA, 40mA). Both are listed in the spec sheet, under two different test conditions. Never trust the online product selectors! ;-)
On 11/25/2016 11:53 AM, richs@engineer.com wrote:
> On Sunday, November 13, 2016 at 1:23:56 PM UTC-5, amdx wrote: >> On 11/13/2016 11:11 AM, Phil Hobbs wrote: >>> On 11/12/2016 02:38 PM, Tom Biasi wrote: >>>> On 11/12/2016 11:01 AM, Phil Hobbs wrote: >>>>> On 11/11/2016 07:40 PM, Tom Biasi wrote: >>>>>> On 11/11/2016 9:31 AM, Phil Hobbs wrote: >>>>>>> So I bought a reel each of BF862-235 and BF862-215. Other parts >>>>>>> seem to >>>>>>> have the same suffixes, but a quick web search comes up with nothing >>>>>>> useful, and the datasheet links for the two types of parts go straight >>>>>>> to the same place. >>>>>>> >>>>>>> I'd guess this has something to do with ROHS/halogen >>>>>>> free/greenie-knotted-knickers-of-the-month, but don't know for sure. >>>>>>> >>>>>>> Wisdom? >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> Phil Hobbs >>>>>>> >>>>>> http://www.mouser.com/ProductDetail/NXP-Semiconductors/BF862215/?qs=me8TqzrmIYXPelqVgccocw== >>>>>> >>>>>> >>>>> >>>>> Thanks, that's the page I bought them from. I don't see anything about >>>>> what the 215 or 235 means, though. >>>>> >>>>> Cheers >>>>> >>>>> Phil Hobbs >>>>> >>>>> >>>> http://www.nxp.com/pages/n-channel-junction-fet:BF862?tab=Package_Quality_Tab&pspll=1 >>>> >>>> >>>> >>>> >>> Ah, okay, reel size. Thanks. >>> >>> Cheers >>> >>> Phil Hobbs >>> >> Are you sure? >> As I said above, >> >On the Mouser site, I see the Continuous drain current is different, >> >the 235 is 25ma the 215 is 40ma. However look it over, the >> >description column has 25ma for the 235 and 10ma for the 215. >> > I'll let you figure it out from there. >> >Good luck! >> Mikek > > The transistor itself seems to be identical. The same spec sheet is referenced for both: > http://www.mouser.com/ds/2/302/BF862-840156.pdf > > For some reason, NXP's or Mouser's data-capture picked out two different Idss specs. (25mA, 40mA). Both are listed in the spec sheet, under two different test conditions. Never trust the online product selectors! > >
Good on you for figuring it out, I saw the quantity difference, but then ran across the current difference on Mouser. I wasn't sure about it then, that's why I left it open by saying, "I'll let you figure it out from there." Glad someone did! Mikek PS. Kinda poor practice by Mouser.