Resistor Pack Characteristics

[Norm Dresner]

I've got a bunch of 16-pin resistor packs with 8 individual resistors.
They're the MIL-type (Dale white ceramic DIP) and according to the
information I've been able to unearth, they're a type of thing called a
"thick film resistor network".

1 Doesn't this mean that they're all made on the same substrate at the same
time?

2. Doesn't that imply that whatever values they have, their temperature
tracking (ppm/degC) should be pretty much equal within a single pack?

3. They're 2%. Can I assume anything about the matching of the individual
resistors other than that they won't differ from each other by more than 4%?

5. I've also got a bunch of the non-MIL-spec variety marked with legends
like '16-2-102" which AFAIK mean that they're in a 16-pin package and that
these are 1K (1000) ohm in value. Does the "2" mean 2%? Are these made on
a monolithic substrate or are they discrete or is it impossible to tell?

TIA
Norm

 

[Peter Bennett]

On Fri, 20 Aug 2004 19:04:53 GMT, "Norm Dresner" <ndrez@att.net>
wrote:

5. I've also got a bunch of the non-MIL-spec variety marked with legends
like '16-2-102" which AFAIK mean that they're in a 16-pin package and that
these are 1K (1000) ohm in value. Does the "2" mean 2%? Are these made on
a monolithic substrate or are they discrete or is it impossible to tell?

TIA
Norm

Bourns uses the middle number to indicate the circuit - whether there
are several independent resistors in the package, or if they are
interconnected in some manner.

A 16 pin DIP package could have 8 independent resistors, or might have
15 resistors, with one end of all resistors tied together and
connected to pin 16.


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Peter Bennett VE7CEI
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