POWR-GARD
®
Fuse Datasheet
SPF SERIES SOLAR FUSES
1000 Vdc • 1-30 A
Specifications
Voltage Rating
Amperage Rating
Max. Interrupting Rating
Time Constant
Material
Approvals
Environmental
Country of Origin
1000 VDC
1, 2, 3, 3.5, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30
20 kA - 1A - 20A
50 kA - 25A - 30A
≤
2ms
Body: Melamine
Caps: Copper Alloy
UL 248-19 Listed (File: E339112)
IEC 60269-6 (1-30 A)
CSA Certified (File: 029862_0_000)
RoHS Compliant
Mexico
Description
The SPF Solar Protection Fuse series has been specifically
designed for the protection of photovoltaic (PV) systems.
This family of Midget style fuses (10 x 38 mm) can safely
protect PV modules and conductors from reverse-
overcurrent conditions.
As PV systems have grown in size, so have the
corresponding voltage requirements. This increase in system
voltage has typically been intended to minimize power
loss associated with long conductor runs. Standard circuit
protection devices are not designed to completely protect
photovoltaic panels. However, the SPF series is UL Listed to
safely interrupt faulted circuits up to this demanding voltage
level.
Littelfuse offers 14 ampere ratings to match specific
requirements in a variety of applications.
Part Numbering System
0SPF xxxx H XR
Series
Amp Code
Mounting Options
Blank = Ferrule
XR = PCB
Package Quantity
T = 10 Fuses
H = 100 Fuses
SERIES AMP
SPF
SPF
SPF
2
3.5
30
PACKAGE
QUANTITY
10
10
100
MOUNTING
METHOD
FERRULE
FERRULE
PCB TABS
CATALOG
NUMBER
SPF002
SPF03.5
SPF030R
ORDERING
NUMBER
0SPF002.T
0SPF03.5T
0SPF030.HXR
Features/Benefits
•
•
•
•
•
•
Meets UL and IEC photovoltaic standards
UL 248-19 Listed 1000 Vdc maximum
1-30 A ratings available
20,000 A Interrupting Rating - 1A - 20A
50,000 A Interrupting Rating - 25A - 30A
Both PCB mount and dead-front holder options available
Dimensions Inches (mm)
Ferrule Version
PCB Version
.06 (1.52)
.02 (.51)
.378
(9.60)
.14
(3.56)
.04
(1.02)
Applications
• Inverters
• Combiner boxes
• Battery charge controllers
1.5 (38.1)
(
+
- .79)
- .031
( + .79)
-
+ .031
-
+
1.53
(38.86)
Recommended Fuse Holders
LPHV 1000 Vdc POWR-Safe Series
Web Resources
Download technical documents:
littelfuse.com/spf
.406
(10.31)
.50 (12.7)
.12 (3.05)
MOUNTING HOLE
DETAIL
.12 .28
(3.05) (7.11)
.406 (10.31)
Look for this logo to indicate products that are used in solar applications. Visit our website
littelfuse.com/solar
for the latest updates on approvals, certifications, and new products.
littelfuse.com
1 of 5
© 2018 Littelfuse POWR-GARD
®
Products
Rev:4-I-071118
POWR-GARD
®
Fuse Datasheet
SPF SERIES SOLAR FUSES
Electrical Specifications
Ferrule Version
INTERRUPTING
RATING (kA)
VOLTAGE
AMP ORDERING FUSE
CODE NUMBER LABEL ID
UPC
NOM COLD WATTS LOSS WATTS LOSS
TOTAL
TOTAL
TOTAL
AT 80%
RESISTANCE AT 100%
CLEARING I
2
t CLEARING I
2
t CLEARING I
2
t
RATED
RATED
2
2
2
(ohm)
CURRENT (W) CURRENT (W) (A s) 10 kA (A s) 20 kA (A s) 50 kA
0.394
0.237
0.11
0.07787
0.06127
0.04086
0.0281
0.0178
0.0125
0.00993
0.007855
0.0045
0.00370
0.00299
0.602
1.586
1.504
1.365
1.491
1.465
1.348
1.610
1.760
1.965
2.282
2.810
3.331
3.845
0.410
0.851
0.824
0.778
0.839
0.859
0.769
0.914
1.000
1.109
1.382
1.574
1.878
2.147
0.554
1.175
5.007
11.297
23.031
42.600
76.270
193.323
395.556
599.198
457.740
1173.990
–
–
0.554
4.755
7.882
11.297
23.031
42.600
80.254
198.960
401.208
641.940
504.770
1312.850
2141.000
3290.000
–
–
–
–
–
–
–
–
–
–
–
–
2433.000
3810.000
AMPERAGE
AGENCY
APPROVALS
UL
•
•
•
•
•
•
•
•
•
•
•
•
•
•
CSA
•
•
•
•
•
•
•
•
•
•
•
•
•
•
DC
1
2
3
3.5
4
5
6
8
10
12
15
20
25
30
001.
002.
003.
03.5
004.
005.
006.
008.
010.
012.
015.
020.
025.
030.
0SPF001.T
0SPF002.T
0SPF003.T
SPF 1A
SPF 2A
SPF 3A
07945816907
07945816910
07945816913
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
DC
20
20
20
20
20
20
20
20
20
20
20
20
50
50
0SPF03.5T SPF 3-1/2A 07945880087
0SPF004.T
0SPF005.T
0SPF006.T
0SPF008.T
0SPF010.T
0SPF012.T
0SPF015.T
0SPF020.T
0SPF025.T
0SPF030.T
SPF 4A
SPF 5A
SPF 6A
SPF 8A
07945816916
07945816919
07945816922
07945816925
SPF 10A 07945816928
SPF 12A
07945816931
SPF 15A 07945816934
SPF 20A 07945816937
SPF 25A 07945817595
SPF 30A 07945817598
Electrical Specifications
PCB Version
AMPERAGE
INTERRUPTING
RATING (kA)
DC
20
20
20
20
20
20
20
20
20
20
20
20
50
50
VOLTAGE
AMP
CODE
ORDERING
NUMBER
FUSE
LABEL ID
UPC
DC
1
2
3
3.5
4
5
6
8
10
12
15
20
25
30
001.
0SPF001.HXR
SPF 1A-R
SPF 2A-R
SPF 3A-R
07945816909
07945816912
07945816915
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
002. 0SPF002.HXR
003. 0SPF003.HXR
AGENCY
NOM COLD WATTS LOSS WATTS LOSS
TOTAL
TOTAL
TOTAL
AT 100%
AT 80%
APPROVALS
2
2
2
RESISTANCE
CLEARING I t CLEARING I t CLEARING I t
RATED
RATED
2
(ohm)
(A
2
s) 20 kA
(A
2
s) 50 kA
CURRENT (W) CURRENT (W) (A s) 10 kA
UL CSA
0.394
0.237
0.11
0.07787
0.06127
0.04086
0.0281
0.0178
0.0125
0.00993
0.007855
0.0045
0.00370
0.00299
0.602
1.586
1.504
1.365
1.491
1.465
1.348
1.610
1.760
1.965
2.282
2.810
3.331
3.845
0.410
0.851
0.824
0.778
0.839
0.859
0.769
0.914
1.000
1.109
1.382
1.574
1.878
2.147
0.554
1.175
5.007
11.297
23.031
42.600
76.270
193.323
395.556
599.198
457.740
1173.990
–
–
0.554
4.755
7.882
11.297
23.031
42.600
80.254
198.960
401.208
641.940
504.770
1312.850
2141.000
3290.000
–
–
–
–
–
–
–
–
–
–
–
–
2433.000
3810.000
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
03.5 0SPF03.5HXR SPF 3-1/2A-R 07945880089
004. 0SPF004.HXR
005. 0SPF005.HXR
006. 0SPF006.HXR
008. 0SPF008.HXR
010.
012.
015.
SPF 4A-R
SPF 5A-R
SPF 6A-R
SPF 8A-R
07945816918
07945816921
07945816924
07945816927
0SPF010.HXR SPF 10A-R 07945816930
0SPF012.HXR SPF 12A-R 07945816933
0SPF015.HXR SPF 15A-R 07945816936
020. 0SPF020.HXR SPF 20A-R 07945817594
025. 0SPF025.HXR SPF 25A-R 07945817597
030. 0SPF030.HXR SPF 30A-R 07945817600
littelfuse.com
2 of 5
© 2018 Littelfuse POWR-GARD
®
Products
Rev:4-I-071118
POWR-GARD
®
Fuse Datasheet
SPF SERIES SOLAR FUSES
Electrical Specification – Agency Requirements
AMPERAGE
RATING
1-30
OPENING TIME (MINUTES)
100% of Amp
Rating per UL
Temperature
Stabilization
113% of Amp
Rating per IEC
60 Min
135% of Amp
Rating per UL
60 Max
145% of Amp
Rating per IEC
60 Max
200% of Amp
Rating per UL
4 Max
Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)
PERCENT OF UPRATING
60
40
20
0
0
PERCENT OF DOWNRATING
20
40
60
-60°C
-76°F
-40°C
-40°F
-20°C
-4°F
0°C
32°F
20°C
40°C
60°C
68°F
104°F
140°F
AMBIENT TEMPERATURE
80°C
176°F
100°C
212°F
120°C
248°F
140°C
284°F
Recommended Process Parameters
WAVE PARAMETER
PREHEAT:
TEMPERATURE MINIMUM:
TEMPERATURE MAXIMUM:
PRE-HEAT TIME
SOLDER POT TEMPERATURE
SOLDER DWELL TIME
COMPLETE CYCLE TIME
LEAD FREE RECOMMENDATION
(Typical Industry Recommendation)
Soldering Parameters
130˚ C
—
75 Seconds Maximum
280˚ C Maximum
270˚ C for 8 Seconds Maximum
250 Seconds Maximum
littelfuse.com
3 of 5
© 2018 Littelfuse POWR-GARD
®
Products
Rev:4-I-071118
POWR-GARD
®
Fuse Datasheet
SPF SERIES SOLAR FUSES
Time Current Curve (1-12 A)
1000
900
800
700
600
500
100
90
80
70
60
50
200
300
400
0.1
0.2
0.3
0.4
1
0.9
0.8
0.7
0.6
0.5
10
9
8
7
6
5
20
30
40
2
3
4
1000
900
800
700
600
500
400
300
200
1000
900
800
700
600
500
400
- 1A
- 2A
- 3A
- 3.5A
- 4A
- 5A
- 6A
- 8A
- 10A
- 12A
300
200
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
10
9
8
7
6
5
4
3
2
TIME IN SECONDS
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
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
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
1000
900
800
700
600
500
100
90
80
70
60
50
200
300
400
0.1
0.2
0.3
0.4
1
0.9
0.8
0.7
0.6
0.5
10
9
8
7
6
5
20
30
40
2
3
4
0.01
CURRENT IN AMPERES
Time Current Curve (15-20 A)
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
TEST VOLTAGE:
BASIS FOR DATA:
1000V
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
SPF 1A - 30A
LITTELFUSE, INC.
CHICAGO, IL. USA
2
3
DRAWN BY:
LLL
DATE:
3/15/10
REVISION:
D
1000
900
800
700
600
500
400
100
90
80
70
60
50
40
200
300
TIME CURRENT CHARACTERISTIC CURVES
- THIS DATA GENERATED IN EXCEL -
0.2
0.3
1
0.9
0.8
0.7
0.6
0.5
0.4
10
9
8
7
6
5
4
20
30
DRAWING NO.:
FCC01-SPF
SHEET 2 OF 3
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
- 15A
- 20A
TIME IN SECONDS
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
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 02
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0 02
0.01
0.1
0.2
0.3
1
0.9
0.8
0.7
0.6
0.5
0.4
2
3
10
9
8
7
6
5
4
20
30
100
90
80
70
60
50
40
200
300
1000
900
800
700
600
500
400
0.01
CURRENT IN AMPERES
TEST VOLTAGE:
1000V
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
littelfuse.com
BASIS FOR DATA:
4 of 5
LITTELFUSE, INC.
CHICAGO, IL. USA
SPF 1A - 30A
DRAWN BY:
LLL
DATE:
3/15/10
REVISION:
E
DRAWING NO.:
SHEET 3 OF 4
© 2018 Littelfuse POWR-GARD
®
Products
Rev:4-I-071118
POWR-GARD
®
Fuse Datasheet
SPF SERIES SOLAR FUSES
Time Current Curve (25-30 A)
1000
900
800
700
600
500
400
100
90
80
70
60
50
40
200
300
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
0.2
0.3
1
0.9
0.8
0.7
0.6
0.5
0.4
10
9
8
7
6
5
4
20
30
2
3
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
TIME IN SECONDS
- 25A
- 30A
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
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 02
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0 02
0.01
0.1
0.2
0.3
1
0.9
0.8
0.7
0.6
0.5
0.4
2
3
10
9
8
7
6
5
4
20
30
100
90
80
70
60
50
40
200
300
1000
900
800
700
600
500
400
0.01
CURRENT IN AMPERES
TEST VOLTAGE:
BASIS FOR DATA:
1000V
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
SPF 1A - 30A
LITTELFUSE, INC.
CHICAGO, IL. USA
DRAWN BY:
LLL
DATE:
3/15/10
REVISION:
E
DRAWING NO.:
TIME CURRENT CHARACTERISTIC CURVES
- THIS DATA GENERATED IN EXCEL -
FCC01-SPF
SHEET 4 OF 4
Disclaimer Notice -
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining
or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal
injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any
purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by
Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse.
Littelfuse.com/Product-Disclaimer
littelfuse.com
5 of 5
© 2018 Littelfuse POWR-GARD
®
Products
Rev:4-I-071118
