I actually plan on shipping with the SD card inside (i.e. not intended to be end-user removable), but I definitely was thinking that adding an "extended temp range version" for an appropriate additional price would be an option.
On Mon, May 18, 2015 at 8:14 PM, Adam Moffett <[email protected]> wrote: > Wouldn't the simple answer be to offer the device and SD card as separate > items? Then on your site you say, "If you want to have storage with the > same industrial temperature range as the rest of my product line then buy > this card, or supply your own at your own risk." > > Everybody selling fiber to the radio with an SFP slot does it that way. I > always buy their SFP module. > > > On 5/18/2015 10:09 PM, Forrest Christian (List Account) wrote: > > What is the lowest temperature that each of you would normally expect > to see in your enclosures? > > The reason I'm asking is that I'm in the process of developing up a few > new products. > > To date, all of the packetflux products are designed with components > rated -40 to +85C (I.E way cold to way hot). I'd like to retain this > rating, but I'm running into a minor snag: > > For storage, I'm planning on integrating a SD card (probably microSD) in > a socket. I only need a GB or so, and SD card memory is inexpensive at > that range. > > Unfortunately, all the reasonably priced SD cards are only rated down to > about -25C or -13F. which are about ~$3 in qty. "Industrial temperature > range" ones which are good down to -40C/F are available but they add at > least $30 to the cost for non-name brand, and even more for known brands. > When you're talking about a $100 end-user price, a $30 1GB SD card seems > excessive - and probably isn't even possible if I want to meet the $100 > price with some margin. > > So, I'm currently playing the 'what options do I have' game. I hate to > ship a product only rated down to -25C/-13F, but I know for at least a > large chunk of my customer base they never see below this temperature, > especially when you add a watt of power dissipation in the case with the > device. Which leads me back to my original question: What's the lowest > temperature most people would expect to see inside their enclosures. > > -- > *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > [email protected] | http://www.packetflux.com > <http://www.linkedin.com/in/fwchristian> > <http://facebook.com/packetflux> <http://twitter.com/@packetflux> > > > -- *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 [email protected] | http://www.packetflux.com <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> <http://twitter.com/@packetflux>
