DSH 558 Identification of Critical Components – Minimum description criteria

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IEC60335试验指甲

DSH 558 & p* i# x* h, h6 C9 d, p2 F8 m4 A # |' n1 T/ d# ?. a2 G" y

Identification of Critical Components – Minimum description criteria

1.5.1

60950-1(ed.1) & 60950(ed.3) ' b. A( ^, i+ O1 Y* n) v

2 v% P3 ?% b  C. ?3 ?Standard(s):
IEC 60950, 3rd Ed (1999)
IEC 60950-1, 1st Ed. (2001)
, w- ?: H; K% X7 N$ N3 @; T- ySub clause(s):
1.5.1
DSH - 558
Page 1 (3)
% ]) Q: f  m5 t5 Q$ vSubject:
Identification of Critical
Components – Minimum
description criteria for disk
drives
Key words:
; _2 W* d( {+ |7 r1 h% G$ OComponents
5 G0 m. @; @( u7 G2 EDecision confirmed
by CTL at its 42nd
. y4 u6 l) A" x  m5 k  Vmeeting 2005 in
" ?8 ^; o" E4 L! L1 B0 x: t+ `Cancun
Question:
Within an IECEE CB Report for an end product that contains a component disk drive(s)
5 a$ g' d# r, G" N: p(e.g., CD-ROM, CD-RW, DVD, Hard, Floppy, Tape), if the disk drive(s) has its own
certification to IEC 60950 (-1), is it acceptable to identify such a critical component by
( r9 v1 N" I' [3 l- u$ ]( W: Qtechnical data, standard, and mark(s) of conformity, as in the example below, without
specifying manufacturer’s name and type number for each component?
Decision:
For component disk drives covered by a CB Test Report and Certificate, there are two
" ?6 ~+ a0 ]5 eoptions for component descriptions, depending on the type of disk drive:
  a2 }! T7 M5 _4 m1 ]7 d9 i* ~1. Non-laser based drives – The parts list should state "Mfr: Company A or equivalent," and
"Model: Model B or equivalent," so there is traceability for the construction of the
sample tested. The description should also include the technical data (input voltage
rating, load current rating, flammability rating of the bezel), standard, and mark of
certifying body/organization.
2. Laser based drive - The parts list should state: "Mfr: Company A or equivalent", and
4 C, |5 T: |- q( L. j5 _) D"Model: Model B or equivalent," so that there is traceability (to IEC60950-1 and
% {  e6 v7 y$ s) F' ^$ J; v( papplicable laser requirement(s)) for the construction of the sample tested. The description
. U- ]8 ?% S  hshould also include technical data (input voltage rating, load current rating, flammability
rating of the bezel, and, when applicable, laser classification), and standard, and indicate
that the component is covered by a CB Test Report and Certificate.
Object/part No.
Manufacturer/ trademark
4 q% ]4 f4 y, G) V: t6 TType/model
0 T0 I  ]9 o7 l1 Q$ [0 m" PTechnical data
Standard
Mark(s) of conformity1)
Tape Drive
(Mfr. Name) or equivalent
(Type No.)
/ c8 {4 J% \! k! Aor equivalent
5 Vdc, 1.2 A
2 F4 e! S4 {) X# g* S; H; T: q6 f12Vdc, 0.5A
Bezel min. 2.5 mm thick, rated min.V-1.
& R8 m2 e0 H* I5 A  Y3 ^IEC/EN/60950
CSA/UL60950
-mark of certifying body
Hard Drive
; P4 X  @3 z1 J. C5 e(Mfr. Name) or equivalent
) s5 |1 u- @9 T2 J% Y( ^(Type No.) or equivalent
5 Vdc, 1.0 A
12 Vdc, 0.4A
. r7 W4 v. P1 s1 b5 b2 hNo bezel provided.
$ ^  @( H: a9 T9 z7 |& G% hIEC/EN/60950
' ?& k2 G: ^7 k+ A% l$ _0 b" s7 e; _CSA/UL60950
% F7 P/ l$ R: Y-mark of certifying body
CD-ROM
(Mfr. Name) or equivalent
* o& C, X9 j' ~& r(Type No.) or equivalent
5/12 Vdc, 1.0/0.3A
Bezel rated V -1.
Class 1 laser product.
IEC/EN/60950
3 q- \/ ~- R: A: v$ F  v; DCSA/UL60950
IEC/EN 60825-1
21 CFR 1040
6 S% W* p# t& e( S9 R: H-IECEE CB Scheme Certificate and Test Report.
DVD Drive
(Mfr. Name)
or equivalent
0 ]. f* B) a, k" @(Type No.) or equivalent
5 Vdc, 1.0 A
6 t4 F" l* W9 E12Vdc, 0.4A;
! g3 k$ R2 W' ^4 XClass 1M laser product.
3 Z. s+ l7 d& X5 ABezel min. 2.5 mm thick, rated min.V-1.
IEC/EN/60950
CSA/UL60950
IEC/EN 60825-1
2 q; I3 U# _0 R21 CFR 1040
6 t. o4 ^. P5 s- m) ?-IECEE CB Scheme Certificate and Test Report.
For a rare case when a device is used in an application where the standard requires a more
7 Y, L* E* g9 r  gcomplex set of requirements to be applied, or the evaluation is part of the end product
- w$ Z1 I  J* `9 revaluation, the manufacturer’s name and type number, in addition to the technical
8 ?  K8 s" M3 ^& F. [information, shall be described/controlled for each component.