Description
WE ARE RICH ELECTRONICS
WE PURCHASE AND RECYCLE
SURPLUS ELECTRONIC
COMPONENTS AND EQUIPMENT!
For sale here we have the above…
1 Piece
Air Call Ltd Digital P.S.U. PCB
– containing a host of useful components
Please Note – These were retrieved from redundant but WORKING communications equipment, originating from the old Aircall Co. (they were involved with early mobile phone technology). They do show signs of their age (see photographs) the LM317K on all of them have discoloured, but they were fully functional when removed.
We will select a PCB with the least discoloured LM317K on each successive purchase, so if you want a cleaner one order sooner rather than later.
Each PCB contains…
1 x Aluminium heat sink 100 x 75mm x 25mm
1 x LM317K TO3 voltage regulator (see specs below or search LM317K)
3 x 20mm fuse holders (inc fuses)
3 x LED’s
2 x 5401 diodes
1 x Bourns trimpot
resistors, capacitors etc
PLEASE NOTE!
MANUFACTURERS AND TYPES MAY VARY, BUT ALL THE PCB’S WERE MADE WITH GOOD QUALITY COMPONENTS TO PERFORM THE SAME FUNCTION, .
Specs. LM317K
Manufacturer may vary – Motorola Texas N.S. S.G.S. etc.
Through Hole | ||
TO-3-3 | ||
1 Output | ||
Positive | ||
1.2 V to 37 V | ||
1.5 A | ||
Adjustable | ||
40 V | ||
4.2 V | ||
0 C | ||
+ 125 C | ||
0.5 % | ||
0.04 %/V | ||
LM317 | ||
Bulk | ||
Height: | 8.7 mm (Max) | |
Length: | 39.5 mm (Max) | |
Width: | 26.2 mm (Max) |
PLEASE NOTE!
These parts came to us as part of a lot of surplus stock from a large communications Co. and have been kept in storage for some time, they are in working condition, though may show signs of their age, some discolouration etc. the photographs are representative of their general appearance, being of some of our actual stock, and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.