Type SST
SSTD0104
Catalog
Number
Ampere
Rating
Typical
Volt-drop Melting I
2
T
Cold
@100%
In
< 10 mSec
Resistance
(ohm)
(Volt) max. (A
2
Sec)
2410 Size
Square Ceramic Surface Mount Slow Blow Fuse
Melting I
2
T
@10
In
(A
2
Sec)
Maximum
Power
Dissipation
(W)
SST 375
SST 500
375mA
500mA
625mA
750mA
1A
1.5A
2A
2.5A
3A
3.5A
4A
5A
7A
0.70
0.46
0.33
0.26
0.17
0.10
0.06
0.04
0.032
0.027
0.023
0.017
0.010
0.47
0.43
0.39
0.37
0.34
0.29
0.24
0.21
0.18
0.17
0.16
0.14
0.11
0.15
0.27
0.45
0.66
1.2
3
5
9
14
18
23
38
80
0.15
0.28
0.47
0.69
1.3
3.1
5.7
9
16
20
26
43
90
0.25
0.30
0.35
0.39
0.47
0.62
0.68
0.74
0.80
0.84
0.88
0.95
1.08
Electrical Characteristics
Testing
current
100%
200%
300%
800%
(UL/CSA STD. 248-14)
SST 625
SST 750
Blow Time
Minimum
4 Hrs.
1 Sec
0.2 Sec
0.02 Sec
Maximum
N/A
60 Sec
3 Sec
0.1 Sec
SST 1
SST 1.5
SST 2
SST 2.5
SST 3
SST 3.5
SST 4
SST 5
SST 7
Approval
Safety Agency Approvals
Vßc
Amp range / Volt @ I.R ability
375mA - 7A / 125V @ 50A AC/DC
V
ß
Listing File No. E20624
Certified File No. LR39772
Consult manufacturer for other ratings
Physical Specification
Environmental Specification
Soldering Techniques & Compatibility
Infrared Reflow: 240°C, 20 sec max.
Wave Solder: 260ºC, 10 sec max. (MIL-STD-202, Method 210)
Operating Temperature
-55ºC to +125ºC
Shock
MIL-STD-202, Method 213, Test Condition I
(100 G’s peak for 6 milliseconds)
Vibration
MIL-STD-202, Method 201 (10-55 Hz, 0.06 inch, total
excursion)
Salt Spray
MIL-STD-202, Method 101, Test Condition B (48Hrs)
Insulation Resistance
MIL-STD-202, Method 302, Test Condition A
(After Opening) 10,000 ohms minimum
Solderability
MIL-STD-202, Method 208
Resistance to Solder Heat
MIL-STD-202, Method 210, Test Condition B
(260°C, 10 sec)
Thermal Shock
MIL-STD-202, Method 107, Test Condition B
(-65ºC to +125ºC)
2.54±0.10mm
(0.100"±0.004")
2.54±0.10mm
(0.100"±0.004")
1.35±0.10mm
(0.053"±0.004")
Materials
Ceramic body / Palladium Plated Brass Caps
Marking
On fuse:
“Current Rating” in black color, “bel” stamped in end caps.
On label:
“bel”, “SST”, “Current Rating”, “Voltage Rating” Interrupting Rating “
c
” plus
“Appropriate Safety Logos”
Packaging
5,000 fuses in 13 inches dia. reel, 12mm wide tape, 4mm pitch,
per EIA Standard 481
Mechanical Dimensions
bel
7
6.10±0.25mm
(0.240"±0.010")
2.0mm(0.08")
SST
Recommended pad layout
3.0mm(0.12")
3.18mm
(0.125")
ORDERING INFORMATION SEE PAGES 67 & 68
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: belfuse@belfuse.com
Website: www.belfuse.com
13
Specifications subject to change without notice
BEL [ BEL FUSE INC. ]
