Spfi series in-line solar fuse, Powr-gard, Fuse datasheet – Littelfuse SPFI Series User Manual
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© 2014 Littelfuse POWR-GARD
®
Products
Rev: 020414
POWR-GARD
®
Fuse Datasheet
3 of 3
-60°C
-40°C -20°C
0°C
20°C
40°C
60°C
80°C
100°C
120°C
140°C
-76°F
-40°F
-4°F
32°F
68°F
104°F
140°F
176°F
212°F
248°F
284°F
AMBIENT TEMPERATURE
60
40
20
0
PER
CENT
OF
UPR
ATIN
G
0
20
40
60
PER
CENT
OF DOW
NR
ATIN
G
Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)
- THIS DATA GENERATED IN EXCEL -
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
100
0
90
0
80
0
70
0
60
0
50
0
40
0
30
0
20
0
10
0
90
80
70
60
50
40
30
20
109
8
7
6
5
4
3
2
1
0.90.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
0
90
0
80
0
70
0
60
0
50
0
40
0
30
0
20
0
10
0
90
80
70
60
50
40
30
20
109
8
7
6
5
4
3
2
1
0.90.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
CURRENT IN AMPERES
TI
M
E
IN
SEC
O
N
DS
- 2A
- 3A
- 6A
- 8A
- 10A
- 12A
- 4A
- 5A
- 3.5A
BASIS FOR DATA:
TEST VOLTAGE: 1000V
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
3/15/10
D
2 OF 3
FCC01-SPF
SPF 1A - 30A
- THIS DATA GENERATED IN EXCEL -
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9 8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
9 8
7
6
5
4
3
2
1 0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
CURRENT IN AMPERES
TI
M
E
IN
SEC
O
N
DS
- 15A
- 20A
BASIS FOR DATA:
TEST VOLTAGE: 1000V
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
3/15/10
D
3 OF 3
FCC01-SPF
SPF 1A - 30A
Time Current Curve (2-12 A)
Time Current Curve (15-20 A)
SPFI SerIeS In-LIne SoLar FUSe