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| High Integrity Components, Note7 w4 m# Q. E) c5 p
| 14.64 m8 l2 D D( {* d# I
| 61010-1(ed.1);am1;am2
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- @' Q0 {/ s( Y. x3 g" l, ~Standard:
4 ^) }$ i. G8 R4 z# l! ]+ QIEC 61010-
5 T; z. S+ Y8 w8 M1 F& `) E1:1990+A1:1992+A2:1995
: ]) K2 b9 I9 B ~Sub clause:9 D) S7 t6 V+ g) }' z9 |
14.6
; U; f( E4 K- q' f- s/ Z2 f: _Sheet n. 3132 V g+ q- k5 O; S
Page 1(1)" n K F1 J ?
Subject:& ~% \0 _5 x+ h. c5 K0 K
High Integrity Components, Note
( C6 w3 n" t! t3 s6 y5 V! b; TKey words:
& b& v4 J; `3 k+ Y! r- [, E/ K- Integrity
$ X: |, X2 e- k9 C- Rating
! d I* d$ ]$ k; BDecision taken by
+ H4 Y2 ~3 I8 ^( OETF3 and confirmed
$ V# Z: k" B* u5 A8 D! O$ hby CTL at its 38th
\8 |, u$ p& Kmeeting, in Toronto
( q5 B5 c; e* ]: Z* a5 z+ SQuestion:
0 T; J' A% _+ [4 C: wThe note indicates that a resistor rated for twice the working power level can be considered2 X0 D, A) {! M8 b% X' _( F
to be high integrity, similarly it may be considered that capacitors with twice the rated
. J3 H& x3 S$ y+ y- n( t4 K- s; m6 i7 I3 ~voltage are high integrity. How is this note applied ?
% W c3 Z! ]! W1 eDecision:
# F" t/ z( U' c- g3 |/ y' TThis note is not clear in its meaning and one is cautioned to take care in its use. A clear
% l' l8 y* U+ s3 Iexplanation should always be given when a component which is accepted as high integrity
9 N% w5 @+ ^9 W: idoes not have an approval to a recognised standard for that purpose.
" I3 D& S U- A0 c/ e9 |. QExplanation:! v4 O4 e+ |& r. |2 c8 K0 ], j
The note does not provide a comprehensive set of conditions to establish high integrity.6 k3 E$ z' `# T; p( Y% W
Differing methods of construction may result in different lifetime expectation and different
9 |6 H% Z3 t3 h$ C2 K% {& A* o0 Lfailure modes.( |; o" H! X" F `3 g1 }& p/ T7 M
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