[sdiy] 0805 resistors with consistent 3 or 4 digit value markings?
markverbos at gmail.com
Sat Jan 6 14:40:06 CET 2018
I’m not sure about 0805 size, but I use the Vishay CRCW0603 series thick film resistors in 0603 and they are all labeled as you desire. I’m confident that they’re the same on the 0805. I have also used the 1206 and they are.
> On Jan 6, 2018, at 7:59 AM, Robin Whittle <rw at firstpr.com.au> wrote:
> Does anyone know of a range of 0805 resistors in which all values are
> consistently marked numerically with their value? For instance, for
> 560R and 120k:
> 561 124
> would be best. Alternatively:
> 5601 1203
> I only need the E12 series: 10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 68,
> 75 and 82. 1% or 5% is fine.
> There's a range of 0805 resistors at element14 manufactured by Yageo
> (Phycomp). For instance the 1% "RC0805FR-07560RL" (9237461). As best I
> understand the datasheet:
> these all should be marked with four digits, but the 39k
> (RC0805FR-0739KL = 9237828) is simply black. Likewise the 220k
> (RC0805FR-07220KL = 9237917). The 390k (RC0805FR-07390KL = 9237941) is
> marked "E06E".
> I had a quick look at Mouser, but there were a plethora of resistor
> types, some quite expensive and many of which were illustrated as not
> being marked. The illustrations and apparently the data sheets can't be
> trusted anyway.
> Its bad enough having anonymous ceramic capacitors and diodes (Diodes
> Inc at least) with the polarity line only visible with a magnifier.
> Vishay 1N4148Ws have a clearly visible laser-marked cathode line.
> Ideally all the resistors I use would have relatively large 3 digit
> value text.
> I bought a Chinese-made book of 0805 resistors and a few capacitors from
> eBay a few years ago. The resistors are all 5% Yageo and are marked
> clearly with three digits. However, the range is more per decade than
> E12, and misses out on several of the E12 values. Looking again at
> eBay, I couldn't find any resistor books where the range of values was
> specified properly and where resistor marking was also specified.
> A book would be good, but an actual range of resistors I can order on
> tape in any quantity would be best.
> - Robin Daylesford Victoria Australia
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