| Author | Message | |||
     David Howard Unregistered guest Posted From: user-514d9a67.l3.c2.dsl.pol.co.uk |
Dear Sirs,Rolls Royce Shadow SRH 14936.I have re-read the archive posts regarding the diodes but have confused myself.Is the correct diode IN 4001,if so they are available here in the U.K. for next to nothing I have to order a minimum Quantity of 100.I would gladly post worldwide to Rolls Royce enthusiasts for the postage costs only (Message approved by david_gore) | |||
| David Gore Moderator Username: david_gore Post Number: 648 Registered: 4-2003 |
Hi David, The diode description is correct - the next size diode 1N4004 is too big for the holder. The glass fuses are 1AG 10 amp rating and the bakelite plug-in fuses use 22A fuse wire - I suggest you might consider making up a service pack of diodes, fuses and fuse wire and charging appropriately. I am aware from past posts on this topic that 1AG fuses are not available in many countries but are available where British cars were common. | |||
| Richard Treacy Grand Master Username: richard_treacy Post Number: 1087 Registered: 4-2003 |
Davids, 1N4001, 1N4004, 1N4007 etc are all physically the same size and 1A current rating. The difference is the reverse blocking voltage: 50V for a 1N4001, 100V for 1N4002, 1000V for a 1N4007 and so on. Any 1N400x will do. The EM51x range, eg EM513 (1600V) to EM518 (2000V) is also physically and electrically 100% compatible. Most outlets now only sell EM513 and EM518. No problem, Any of these diodes is fine, and they cost about 3 cents each, so a pack of 100 will not break the bank ! Here are some data sheets. Note that they all come in a DO-41 package.
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| Glenn Amer Experienced User Username: recordo Post Number: 21 Registered: 4-2005 |
I replaced all of mine with IN4004s from the local Dick Smith Electronics shop. Cost about $1 for the lot and for the first time had cold air from the bullseye vents which was wonderful. They were slightly smaller than the original diodes which were still in situ from 1967. |
