BEL SSQ250

2410 Size
Type SSQ
Square Ceramic Surface Mount Quick Acting Fuse
SSQD0104
Catalog
Number
Electrical Characteristics
Testing
current
(UL/CSA STD.248-14)
Minimum
Maximum
100%
4 Hrs.
N/A
200%
N/A
5 Sec
Approvals
Safety Agency Approvals
Melting I2T
@10 In
(Volt) max.
(A2 Sec)
(A2 Sec)
Maximum
Power
Dissipation
(W)
250mA
0.65
0.30
0.02
0.01
0.07
375mA
0.36
0.25
0.04
0.03
0.09
SSQ 500
500mA
0.24
0.22
0.07
0.06
0.11
SSQ 750
750mA
0.15
0.17
0.11
0.07
0.13
1A
0.11
0.17
0.19
0.14
0.17
SSQ 1.25
1.25A
0.09
0.16
0.33
0.24
0.20
SSQ 1.5
1.5A
0.07
0.15
0.57
0.41
0.23
SSQ 2
SSQ 3
SSQ 3.5
SSQ 4
SSQ 5
SSQ 6.3
Amp range / Volt @ I.R.ability
Melting I2T
< 10 mSec
SSQ 250
SSQ 2.5
rVßc
Volt-drop
@100% In
SSQ 375
SSQ 1
Blow Time
Typical
Cold
Resistance
(ohm)
Ampere
Rating
2A
0.05
0.15
1.0
0.8
0.30
2.5A
0.038
0.14
1.7
1.4
0.36
3A
0.028
0.13
3.0
2.4
0.43
3.5A
0.025
0.13
3.9
3.3
0.47
4A
0.022
0.13
5.1
4.4
0.51
5A
0.016
0.12
6.3A
0.012
0.12
8.8
7.8
15
14
0.62
0.74
SSQ 7
7A
0.011
0.114
20
19
0.81
ß Certified File No. LR39772
100mA - 7A / 125V @ 50A AC
SSQ 8
8A
0.009
0.112
26
25
0.89
SSQ 10
10A
0.007
0.107
46
44
1.07
V Listed File No. E20624
100mA - 7A / 125V
86V
125V
7.1A - 12A / 125V
86V
@
@
@
@
@
50A AC or
10,000A DC or
300A DC
50A AC or
10,000A DC
SSQ 12
12A
0.006
0.103
70
69
1.24
SSQ 15
15A
0.004
0.098
121
124
1.54
Consult manufacturer for other ratings
r Recognized File No. E20624
15A / 86V @ 10,000A DC
Physical Specification
Environmental Specification
Soldering Techniques & Compatibility
Reflow: Industrial standard, 240°C peak
Wave Solder: 260ºC, 20 sec max. (MIL-STD202, Method 210)
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)
Marking
On fuse:
“Current Rating” in black color, “bel” stamped on end caps
On label:
“bel”, “SSQ”, “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
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 F
(20 sec, at 260ºC)
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")
7
bel
SSQ
6.10±0.25mm
(0.240"±0.010")
2.0mm(0.08")
3.18mm
(0.125")
Recommended pad layout
3.0mm(0.12")
Specifications subject to change without notice
Operating Temperature
-55ºC to +125ºC
Materials
Ceramic body / Palladium Plated Brass Caps
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
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2410 Size
Type SSQ
Square Ceramic Surface Mount Quick Acting Fuse
SSQC0303
- 250mA
- 375mA
- 500mA
- 750mA
- 1A
- 1.25A
- 1.5A
- 2A
- 2.5A
- 3A
- 3.5A
- 4A
- 5A
- 6.3A
- 7A
- 8A
- 10A
- 12A
- 15A
SSQ - TIME CURRENT CHARACTERISTIC CURVE
10000
1000
TIME IN SECONDS
100
10
0.1
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Specifications subject to change without notice
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NOTE - see important information under “User Guide”on P.08
Corporate Office
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
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K
Tel: 44-1772-556601
Fax: 44-1772-888366
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