BS EN 60127-4:1998:2003 Edition
$142.49
Miniature fuses – Universal modular fuse-links (UMF)
Published By | Publication Date | Number of Pages |
BSI | 2003 | 30 |
Relates to UMF for printed circuits and other substrate systems, used for protection of electric appliances, electronic equipment and components.
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | BRITISH STANDARD |
2 | National foreword |
4 | Foreword Foreword to amendment A1 Foreword to amendment A2 |
5 | Contents |
7 | Section 1. Additional requirements and test equipment 1 Scope and object 1.1 This part of IEC�60127 relates to Universal Modular Fuse-links (UMF) for printed circuits and oth… 1.2 The objects of this part of IEC�60127 are as given in IEC�60127-1, with the additional requiremen… 2 Normative references 3 Definitions 3.7.1 through-hole fuse-link |
8 | 3.7.2 surface mount fuse-link 3.28 land 4 General requirements (see IEC 60127-1) 5 Standard ratings 5.1 Rated voltage 5.2 Rated current 5.3 Rated breaking capacity 6 Marking 6.1 In addition to the requirements of 6.4 Colour coding for Universal Modular Fuse-links 6.5 For fuse-links rated at 125�V or less, where marking is impractical due to space limitations, the… 7 General notes on tests |
9 | 7.2 Type tests 7.3 Fuse-bases for tests |
10 | 8 Dimensions and construction 8.1 Dimensions 8.2 Construction 8.3 Terminations 8.3.1 Alignment and configuration of terminations |
11 | 8.5 Soldered joints 8.6 Solderability of terminations 8.6.2 Resistance to soldering heat |
12 | 8.8 Mounting for surface mount fuse-links 9 Electrical requirements 9.1 Voltage drop 9.2 Time/current characteristics |
13 | 9.3 Breaking capacity 9.4 Endurance test 9.5 Maximum sustained dissipation 9.6 Pulse tests 9.7 Fuse-link temperature 9.8 Operating overvoltage |
14 | Table 1 Testing schedule for individual ampere rating |
15 | Table 2 Maximum values of voltage drop and sustained dissipation |
16 | Table 3 Testing schedule for maximum ampere rating of a homogeneous series |
17 | Table 4 Testing schedule for minimum ampere rating of a homogeneous series |
18 | Figure 1 Unique identifying symbol for UMFs Figure 2 Test board for through-hole fuse-links |
19 | Figure 3 Test board for surface mount fuse-links |
20 | Figure 4 Test fuse base |
21 | Figure 5 Bending jig for surface mount fuse-links |
22 | Figure 6 Test circuit for breaking capacity tests |
25 | Section 2. Standard sheets |
29 | Annex ZA (normative) Normative references to international publications with their corresponding European … |