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Datasheet> All Categories > Circuit protection> Circuit protection> 999020
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999020

Description
SLOW BLOW ELECTRIC FUSE, 20A, 58VDC, 1000A (IR), INLINE/HOLDER
CategoryCircuit protection    Circuit protection   
File Size51KB，1 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
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999020 Overview

SLOW BLOW ELECTRIC FUSE, 20A, 58VDC, 1000A (IR), INLINE/HOLDER

999020 Parametric

Parameter NameAttribute value
MakerLittelfuse
package instructionROHS COMPLIANT
Reach Compliance Codeunknow
ECCN codeEAR99
Other featuresRATED BREAKING CAPACITY AT 58 VDC: 1000A
Fusing characteristicsSLOW
body width8.51 mm
body height22.15 mm
Body length or diameter29.21 mm
Circuit protection typeELECTRIC FUSE
JESD-609 codee4
Joule integral nominal1100 J
Installation featuresINLINE/HOLDER
physical size29.21mm x 8.51mm x 22.15mm
Rated breaking capacity1000 A
Rated current20 A
Rated voltage (DC)58 V
surface mountNO
Terminal surfaceSILVER
Terminal shapeTAB/BLADE
Base Number Matches1

Preview

Download Datasheet
Blade Terminal & Special Purpose Fuses
Low Voltage
RoHS
MAXI
®
42V Fuse
Slo-Blo Type Fuse
®
• Same performance characteristics as the industry standard MAXI, but
modified to work in the 42 volt environment
• Unique design prevents lower rated fuses from being inserted into
the circuit
• Backwards compatibility with 12 volt circuits
• Based on proven technology
• Mates with industry standard terminals
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
135%
Ampere
Rating
20– 80
20– 60
70 – 80
20
30
40
50
60
70 – 80
20
30
40
50
60
70 – 80
20
30 – 60
70 – 80
Opening
Time
100 hrs.,
Min.
60 sec.,
Min.;
1800 sec.,
Max.
60 sec.,
Min.;
3600 sec.,
Max.
4 sec.,
Min.;
20 sec.,
Max.
6 sec.,
Min.;
30 sec.,
Max.
8 sec.,
Min.;
40 sec.,
Max.
10 sec.,
Min.;
50 sec.,
Max.
15 sec.,
Min.;
60 sec.,
Max.
4 sec.,
Min.;
60 sec.,
Max.
.7 sec.,
Min.;
2 sec.,
Max.
1 sec.,
Min.;
4 sec.,
Max.
1.4 sec.,
Min.;
5 sec.,
Max.
1.7 sec.,
Min.;
6 sec.,
Max.
2 sec.,
Min.;
7 sec.,
Max.
.2 sec.,
Min.;
2 sec.,
Max.
.15 sec.,
Min.;
1 sec.,
Max.
.20 sec.,
Min.;
1 sec.,
Max.
.04 sec.,
Min.;
.15 sec.,
Max.
Reference Dimensions
29.21
(1.15")
200%
22.15
(.87")
MAX.
21.60
(.85")
12.70 (.5")
±
0.38 (.015)
8.00
(.31")
3.3 (.13")
0.825 (.032)
±
0.35 (.014")
350%
8.51 (.34")
17.37
(.68")
600%
Average Time Current Curves
20A
25A
30A
35A
40A
50A
60A
1000
100
TIME IN SECONDS
10
1
0.1
0.01
10
100
1000
10000
CURRENT IN AMPERES
DESIGN STANDARD:
SAE (Society of Automotive Engineers) J1888.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Plastic
Terminations: Silver-Plated
PATENTED
INTERRUPTING RATING:
1000A @ 58VDC
ORDERING INFORMATION:
Catalog
Number
999
020
999
025
999
030
999
035
999
040
999
050
999
060
999
070
999
080
Ampere
Rating
(A)
20
25
30
35
40
50
60
70
80
Voltage
Rating
(VDC)
58
58
58
58
58
58
58
58
58
Body
Color
Code
Yellow
Gray
Green
Brown
Orange
Red
Blue
Tan
Naural
Nominal Cold
Resistance
Ohms
0.0031
0.0024
0.0020
0.0017
0.0014
TBD
TBD
TBD
TBD
Minimum
Melting I
2
t
(A
2
Sec.)
1100
2087
4070
6032
8450
TBD
TBD
TBD
TBD
454
w w w. l i t t e l f u s e . c o m

999020 Related Products

999020 999 999030 999025 999040 999035 999060 999050 999080 999070
Description SLOW BLOW ELECTRIC FUSE, 20A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 20A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 30A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 25A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 40A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 35A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 60A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 50A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 80A, 58VDC, 1000A (IR), INLINE/HOLDER SLOW BLOW ELECTRIC FUSE, 70A, 58VDC, 1000A (IR), INLINE/HOLDER
Maker Littelfuse - Littelfuse Littelfuse Littelfuse Littelfuse Littelfuse Littelfuse Littelfuse Littelfuse
package instruction ROHS COMPLIANT - ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT
Reach Compliance Code unknow - unknow unknow unknow unknow unknow unknow unknow unknow
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features RATED BREAKING CAPACITY AT 58 VDC: 1000A - RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A RATED BREAKING CAPACITY AT 58 VDC: 1000A
Fusing characteristics SLOW - SLOW SLOW SLOW SLOW SLOW SLOW SLOW SLOW
body width 8.51 mm - 8.51 mm 8.51 mm 8.51 mm 8.51 mm 8.51 mm 8.51 mm 8.51 mm 8.51 mm
body height 22.15 mm - 22.15 mm 22.15 mm 22.15 mm 22.15 mm 22.15 mm 22.15 mm 22.15 mm 22.15 mm
Body length or diameter 29.21 mm - 29.21 mm 29.21 mm 29.21 mm 29.21 mm 29.21 mm 29.21 mm 29.21 mm 29.21 mm
Circuit protection type ELECTRIC FUSE - ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE ELECTRIC FUSE
JESD-609 code e4 - e4 e4 e4 e4 e4 e4 e4 e4
Installation features INLINE/HOLDER - INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER INLINE/HOLDER
physical size 29.21mm x 8.51mm x 22.15mm - 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm 29.21mm x 8.51mm x 22.15mm
Rated breaking capacity 1000 A - 1000 A 1000 A 1000 A 1000 A 1000 A 1000 A 1000 A 1000 A
Rated current 20 A - 30 A 25 A 40 A 35 A 60 A 50 A 80 A 70 A
Rated voltage (DC) 58 V - 58 V 58 V 58 V 58 V 58 V 58 V 58 V 58 V
surface mount NO - NO NO NO NO NO NO NO NO
Terminal surface SILVER - SILVER SILVER SILVER SILVER SILVER SILVER SILVER SILVER
Terminal shape TAB/BLADE - TAB/BLADE TAB/BLADE TAB/BLADE TAB/BLADE TAB/BLADE TAB/BLADE TAB/BLADE TAB/BLADE
Base Number Matches 1 - 1 1 1 1 1 1 1 1

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