Hi everyone, I want cleared something. We are searching solar cells or non qualified solar cells for a cubesat to make electrical test. It is not important if they are form Emcore, Spectrolab or whatever. We need between 6 and 12 cells.
Nick, how much cells do you need? Thanks you very much Ignacio PD: Apologies for change the topic, sorry. 2010/5/23 Ignacio de León <[email protected]> > Bob, > > The Voc (open circuit) = 2.7V aprox > The Isc (short circuit) = 455 mA aprox > > The value are aproximate because depends on the technology ATJ, BTJ, ZTJ, > MATJ, MBTJ, MZTJ > > This link show the cells and their datasheets > http://www.emcore.com/solar_photovoltaics/space_solar_cells > > Important, these value are infomation about standars cells, not for the > cells with mechanical or electrical anomalies > > The area is 26.6 cm2 and the size is like a rectangle of 4 x 8 cm (aprox). > Enter > two cells on each side of the cube. > > Thanks > Ignacio > > > 2010/5/23 Bob Bruninga <[email protected]> > > Ignacio, >> >> What is the SIZE of the cell and the output current.? >> I assume the voltage is 2.4v each? >> >> Bob, WB4APR >> >> >From: Ignacio de León <[email protected]> >> > This is the email that Emcore answered to me. >> > >> > EMCORE does offer mechanical/visual (MV) bare solar >> > cells (MV cells are not available in SCA's). MV >> > solar cells have mechanical anomalies or >> > discoloration that make them unusable for space. MV >> > solar cells have an efficiency typically greater >> > than 25% at AM0 and 28°C. >> > >> > Price >> > >> > EMCORE offers MV cells for $50.00 (USD) each with a >> > minimum order quantity of 150 cells. >> > >> > Terms and Conditions >> > >> > EMCORE’s MV cells are offered on an “as >> > available, first come, first serve” basis. >> > EMCORE’s standard terms and conditions for MV >> > cells are as follows: >> > >> > 1. Parts sold on an “as is” basis with no >> > warranty. All sales are final. >> > 2. Quantities offered are subject to continued >> > inventory availability. >> > 3. Payment is required in advance of shipment by >> > bank transfer or credit card. >> > 4. Customer is responsible for all >> > shipping costs (including insurance) from freight >> > forwarding office. >> > 5. Minimum purchase price is $7,500.00 >> > for any order. >> > >> > Sorry for bother >> > Warm regards from Uruguay >> > Thank you very much. >> > >> > Ignacio de León >> > >> > ---------- Mensaje reenviado ---------- >> > De: Nick Pugh K5QXJ <[email protected]> >> > Fecha: 21 de mayo de 2010 15:59 >> > Asunto: RE: [amsat-bb] Cubesat Group purchase of >> > EMCOR cells >> > Para: [email protected], Cal Poly CubeSat >> > <[email protected]>, [email protected] >> > Cc: [email protected], Gonzalo Sotta >> > <[email protected]>, Javier Ramos >> > <[email protected]>, José Luis Vila >> > <[email protected]> >> > >> > We would be interested >> > nick >> > -----Original Message----- >> > From: [email protected] >> > [mailto:[email protected]] On >> > Behalf Of Robert Bruninga >> > Sent: Friday, May 21, 2010 1:16 PM >> > To: 'Cal Poly CubeSat'; [email protected] >> > Cc: [email protected]; 'Gonzalo Sotta'; 'Javier >> > Ramos'; 'José Luis Vila' >> > Subject: [amsat-bb] Cubesat Group purchase of >> > EMCOR cells >> > >> > AMSAT and CUBESAT: >> > >> > A student CUBESAT group in Uruguay wants to >> > partner with another >> > CUBESAT group to purchase the minimum quantity >> > (150) of triple >> > jnction solar cells from EMCOR. They only need a >> > dozen. >> > >> > Anyone want to team up? >> > >> > _______________________________________________ >> > Sent via [email protected]. Opinions expressed >> > are those of the author. >> > Not an AMSAT-NA member? Join now to support the >> > amateur satellite program! >> > Subscription settings: >> > http://amsat.org/mailman/listinfo/amsat-bb >> > > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
