DSH 524 Identification of Critical Components – Minimum description criteria

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DSH 524 ; b/ @! K8 U  M. J2 i+ D 9 }" |3 k) T0 E" P* `

Identification of Critical Components – Minimum description criteria ( \" Y9 b! e: U0 f& M

1.5.1 8 j0 F! p* _0 |1 B: r

60950-1(ed.1) & 60950(ed.3)

# E7 X) _8 v% @1 Q4 q# D" QStandard:
& ?* e3 D2 N& |- v5 a) |IEC 60950 (1999) 3rd ed., IEC
60950-1, 1st Ed. (2001)
Sub clause:
) Y, a, g( _4 v1.5.1
Sheet No.
524
Subject:
8 O0 h9 {0 R# b' J2 M, [3 e0 }& cIdentification of Critical
Components – Minimum
# P6 W& `% R, X+ a) K) u% ?description criteria
Key words:
" }2 Y6 j! g9 e2 DComponents
1 d6 N3 }. D9 H" }Decision taken at the 40th
meeting 2003
Question:
+ d6 i9 U9 Y6 X9 g3 RGeneral insulated wiring and printed wiring boards (pwbs) that are considered critical components
; x' L; }+ A2 k8 Z( T( i4 [) uare very commonly used in ITE. A single unit may have multiple manufacturers and types of
each component within it. In an IECEE CB Report, is it acceptable to identify these critical
components by technical information (e.g., electrical ratings, flame class) and reference standard
only, and not include manufacturer’s name and type number for each component?
: [  u6 J: {/ O- d+ XDecision:
For general insulated wiring and printed wiring boards (pwbs) that are considered critical
9 r+ K8 ?/ G' m/ L4 vcomponents, it is acceptable to identify these components in the CB Report by technical
3 Q9 y9 M) g+ R& g3 J" |information (e.g., electrical ratings, flame class) and reference standard only, and not include
, `: I+ v% F+ C+ ~manufacturer’s name and type number for each component.
. \+ ?' d- L8 @7 `- h' a: bFor wiring and pwbs subjected to special requirements beyond the normal requirements applied to
3 A2 n6 ^5 d. a- H$ H& pall these types of components, such as multi-layer wire investigated to Annex U, or coated pwbs
8 @7 R' \: j" v' dinvestigated per 2.10.6, the specific manufacturer and type of the component should be controlled
in addition to the technical information.
# i" ]# f# h5 g. B; T3 A6 `: X) d) l