Klkd series 10x38 fuses, Powr-gard, Fuse datasheet – Littelfuse KLKD Series User Manual
Page 3: Electrical specifications, Current-limiting effects
Littelfuse.com
© 2013 Littelfuse POWR-GARD
®
Products
POWR-GARD
®
Fuse Datasheet
Rev: 070313
3 of 6
KlKd SerieS 10x38 FuSeS
CAtAlog
number
Amp
rAting
nom Cold
reSiStAnCe
(ohm)
AVerAge
melt time
AVerAge
melting i
2
t
WAttS loSS
At 100% rAted
Current (W)
WAttS loSS
At 80% rAted
Current (W)
AVerAge
CleAring
time
totAl
CleAring i
2
t
(A
2
s) 20 kA
totAl
CleAring i
2
t
(A
2
s) 100 kA
KLKD
1
/
10
1
/
10
85.5
–
–
0.780
0.505
0.000047
0.019
–
KLKD
1
/
8
1
/
8
65
–
–
0.975
0.659
0.000050
0.010
–
KLKD
2
/
10
2
/
10
30.9
–
–
1.213
0.773
0.000073
0.032
–
KLKD
1
/
4
1
/
4
22
–
–
1.364
0.870
–
–
–
KLKD
3
/
10
3
/
10
16.2
–
–
1.519
0.960
0.000101
0.067
–
KLKD ½
1
/
2
8.16
–
–
1.961
1.237
0.000141
0.197
–
KLKD
3
/
4
3
/
4
0.402
0.000063
0.234
0.361
0.199
0.000170
0.753
–
KLKD 1
1
0.252
0.000094
0.678
0.388
0.273
0.000247
1.827
0.008
KLKD 1
1
/
2
1
1
/
2
0.134
0.000153
2.890
0.409
0.229
0.000828
13.956
280
KLKD 2
2
0.124
0.000145
2.379
0.823
0.606
0.000291
3.919
0.012
KLKD 2
1
/
2
2
1
/
2
0.0989
0.000186
5.142
0.912
0.618
0.000387
8.877
–
KLKD 3
3
0.0773
0.000211
7.821
0.957
0.654
0.000449
14.835
–
KLKD 3
1
/
2
3
1
/
2
0.0613
0.000249
12.417
1.12
0.826
0.000471
21.048
–
KLKD 4
4
0.0511
0.000284
18.945
1.367
0.891
0.000507
30.76
0.019
KLKD 5
5
0.0363
0.000347
34.163
1.4
0.938
0.000607
56.514
0.024
KLKD 6
6
0.0261
0.000423
62.951
1.516
0.998
0.000735
96.824
0.035
KLKD 7
7
0.0205
0.000505
105.143
1.577
1.066
0.000898
168.578
0.087
KLKD 8
8
0.0194
0.000541
130.266
1.824
1.205
0.000945
210.595
0.656
KLKD 9
9
0.0166
0.000587
164.221
2.208
1.428
0.000992
266.633
–
KLKD 10
10
0.0128
0.000701
278.390
1.893
1.3
0.001200
454.628
211.667
KLKD 12
12
0.0103
0.000822
445.010
2.296
1.584
0.001455
744.775
440
KLKD 15
15
0.00782
0.000544
137.333
2.045
1.57
0.001721
351.24
–
KLKD 20
20
0.0045
0.000826
462.056
2.133
1.593
0.006144
1151.185
2120
KLKD 25
25
0.003532
0.001007
834.529
2.55
1.933
0.002085
1744.033
2085
KLKD 30
30
0.002776
0.001207
1409
3.701
1.983
0.002266
2757
3220
Note: Test Circuit 600 VDC / 20 kA
Electrical Specifications
Short CirCuit
Current*
AppArent rmS SymmetriCAl Current
For VAriouS FuSe rAtingS
1 1/2 A
12 A
25 A
30 A
5,000
240
292
654
722
10,000
303
367
823
910
15,000
347
420
943
1042
20,000
381
463
1037
1147
25,000
411
498
1117
1235
30,000
437
530
1188
1313
35,000
460
558
1250
1382
40,000
481
583
1307
1445
50,000
518
628
1408
1556
60,000
550
667
1496
1654
80,000
605
735
1647
1820
100,000
652
791
1774
1961
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Current-Limiting Effects