Thanks All, Looks like I can get some of the recommended ones from e(vil)bay.
Cheers Derek > On 4 Aug 2019, at 07:25, 'Bill Allison' via Quantum Owners Group > <quantumowners@googlegroups.com> wrote: > > The diodes mentioned earlier, 1N4005, have a reverse voltage rating of 600v > which is more than adequate. > > Best regards > Bill Allison > > On Sunday, 4 August 2019, 06:34:43 BST, Julian Coleman > <jul...@cityaudioservices.com> wrote: > > > Hi > > I don't know that circuit is doing or what loads there are on it, but I'd > opt for something of a considerably higher reverse rating than 15V. When a > coil is switched off it will create a considerable voltage spike when the > energy is removed. What that voltage is will depend on the coil and the way > the energy is cut - the more abrupt (eg a switch/relay), the higher the > voltage. Since diodes are available in versions with inverse ratings of 100s > of volts, this is neither difficult nor expensive. > > Julian Coleman > City Audio Services > > > > ----- Original Message ----- > From: > quantumowners@googlegroups.com > > To: > "Quantum Owners Group" <quantumowners@googlegroups.com> > Cc: > > Sent: > Sat, 3 Aug 2019 23:24:24 +0100 > Subject: > Re: [Quantum Owners] Nose Cone Wiring > > > The diodes supplied were 1N4005 , 5 amp diodes . all they are doing is > driving the coil of a relay when either the sidelights or the headlamp main > beam flash is used so 5 amp should be more than adequate. I used a bridge > rectifier on mine as it is easy to mount and comes with Lucas spade > connectors , needs a bit of care to get the right diodes ~~ to > sidelight/headlamp and- to relay coil . > > On Sat, 3 Aug 2019 23:13 Derek Clews, <derekcl...@gmail.com > <mailto:derekcl...@gmail.com>> wrote: > Dear All, > > In the Q manual the nose cone wiring has two diodes. The values required are > not mentioned. What was the Quantum spec? > > I appreciate it is in a 12V system so 15 or 16 volt would cover, but does > anyone know the minimum wattage? > > Thanks > > Derek > > -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to quantumowners@googlegroups.com > <mailto:quantumowners@googlegroups.com> > To unsubscribe from this group, send email to > quantumowners-unsubscr...@googlegroups.com > <mailto:quantumowners-unsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > <http://groups.google.com/group/quantumowners?hl=en> > > IMPORTANT NOTE: All information presented herewith is provided on an "As Is" > basis, without warranty or the implication thereof. 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