Not recommended for new applications. Please see 0679L
Type SSQ
Square Ceramic Surface Mount Quick Acting Fuse
SSQ Series – 2410 Size
RoHS 2 Compliant
Features
- Quick Acting
- Small size, 2410 SMD
- Wide range of current rating from 100mA to 15A
- Wide operating temperature range
- Tape & Reel for auto-insert SMD process
- Compatible with 260℃, IR Pb-free solder process
- RoHS 2 compliant (MSL = 1)
- Halogen Free
- Leadfree
Applications
- Notebook
- LCD monitor
- PC computer
- Office electronic equipment
- Industrial equipment
- Medical equipment
- POE, POE+
- LCD / LED monitor
- Power supply
- LCD / LED TV
LEAD FREE =
HALOGEN FREE =
Electrical Characteristics
(UL/CSA/STD.248-14)
Testing
Current
100%
200%
Blow Time
Minimum
4 Hrs.
N/A
Maximum
N/A
5 Sec
Safety Agency Approvals
Safety
Agency
Safety
Agency
Certificate
LR39772
Voltage Rating
(V)
Ampere Range / Volt
@ I.R. ability*
100mA-7A/125V @50A AC
100mA-7A/125V AC 100mA-7A/125V @ 50A AC
125V DC
86V @ 10kA DC
E20624
7.1A-12A/125V AC
86V DC
15A/86V DC
E20624
125V @ 300A DC
7.1A-12A/125V @ 50A AC
86V @ 10kA DC
15A/86V @ 10kA DC
*I.R.= Interrupting Rating = Short Circuit Rating(Amps)
Physical Specifications
Materials
Body : Ceramic
Terminations : Palladium plated Brass Caps
On Fuse :
"Current Rating" in black color,
"bel” stamped in end caps.
Marking
On Label :
"bel", "SSQ", "Current Rating", "Voltage Rating", "Interrupting Rating",
"Appropriate Safety Logos" and "
", "
"(China RoHS compliant).
Specifications subject to change without notice
belfuse.com/circuit-protection
Type SSQ
Temperature Derating Curve
Average Time Current Curve
2
/
4
Electrical Specifications
Catalog
Number
SSQ 250
SSQ 375
SSQ 500
SSQ 750
SSQ 1
SSQ 1.25
SSQ 1.5
SSQ 2
SSQ 2.5
Ampere
Rating
250mA
375mA
500mA
750mA
1A
1.25A
1.5A
Typical
Cold
Resistance
(ohms)
0.560
0.335
0.235
0.131
0.081
0.065
0.056
0.039
0.031
Volt-drop
@100% In
(Volt) max.
0.30
0.27
0.26
0.19
0.14
0.14
0.14
0.13
0.13
Voltage and
Interrupting
Ratings
Melting I²T
<10 m Sec
(A² Sec)
0.02
0.04
0.07
0.11
0.19
0.33
0.57
1.0
1.7
3.0
3.9
5.1
8.8
15
20
26
46
70
121
Melting I²T
@10 In
(A² Sec)
0.01
0.03
0.06
0.07
0.14
0.24
0.41
0.8
1.4
2.4
3.3
4.4
7.8
14
19
25
44
69
124
Maximum
Power
Dissipation
(W)
0.07
0.09
0.11
0.13
0.17
0.20
0.23
0.30
0.36
0.43
0.47
0.51
0.62
0.74
0.81
0.89
1.07
1.24
1.54
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Agency
Approvals
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
2A
2.5A
3A
3.5A
4A
5A
6.3A
7A
8A
10A
12A
15A
SSQ 3
SSQ 3.5
SSQ 4
SSQ 5
SSQ 6.3
SSQ 7
SSQ 8
SSQ 10
SSQ 12
SSQ 15
0.025
0.024
0.019
0.013
0.011
0.009
0.008
0.007
0.005
0.004
0.13
0.13
0.13
0.12
0.12
0.110
0.110
0.110
0.100
0.100
See Table of
Safety
Approvals on
Page 1 for
Voltage and
associated
Interrupting
Ratings
Y
Consult manufacturer for other ratings
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
© 2018 Bel Fuse, Inc.
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
Rev. SSQ Nov2018
Type SSQ
Environmental Specifications
Shock Resistance
Vibration Resistance
Salt Spray Resistance
Insulation Resistance
Solderability
Resistance to solder Heat
Thermal Shock
Operating Temperature
Moisture Sensitivity Level
MIL-STD-202G, Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds; Sawtooth waveform)
MIL-STD-202G, Method 201A (10-55 Hz, 0.06 inch, total excursion).
MIL-STD-202G, Method 101E, Test Condition B (48 hrs).
MIL-STD-202G, Method 302, Test Condition A
(After Opening) 10,000 ohms minimum.
MIL-STD-202G, Method 208H
MIL-STD-202G, Method 210F, Test Condition C. Top Side (260℃, 20 sec)
MIL-STD-202G, Method 210F, Test Condition D. Bottom Side (260℃,10 sec)
MIL-STD-202G, Method 107G, Test Condition B
(-65℃ to +125℃).
-55℃ to +125℃
1 ( According to IPC J-Std-020)
3
/
4
Soldering Parameters
IR Reflow Profile (IPC/JEDEC J-STD-020D)
Preheat & Soak
T
emperature min (Tsmin)
Temperature max (Tsmax)
Time (Tsmin to Tsmax) (ts)
Average ramp-up rate (Tsmax to Tp)
Liquidous temperature (TL)
Time at liquidous (tL)
Peak temperature (Tp)
Time (tp) within 5℃ of the
specified classification temperture (Tc)
Average ramp-down rate (Tp to Tsmax)
Time 25℃ to peak temperature
150℃
200℃
60-120 seconds
3℃/second max.
217℃
60-150 seconds
260℃ max
30 seconds
6℃/second max.
8 minutes max.
Lead-free Wave Soldering Profile
Wave Soldering Parameter
Average ramp-up rate
Heating rate during preheat
Final preheat temperature
Peak temperature Tp
Time within +0℃ / -5℃ of actual
peak temperature
Ramp-down rate
200℃ / second
typical 1 - 2℃ / second
Max 4℃ / second
within 125℃ of soldering
temperature
260℃
10 seconds
5℃ / second max.
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
© 2018 Bel Fuse, Inc.
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
Rev. SSQ Nov2018
Type SSQ
Fuse FGNO Explanation
0679 - [XXXX] - XX
0679-=SSQ; [XXXX]=Ampere Rating; XX=See Ordering Information as below
Fraction
1/4
3/8
1/2
3/4
Decimal
0.250
.375
.500
.750
Milliamps
250
375
500
750
Bel FGNO[XXXX]
0250
0375
0500
0750
1-1/4
1-1/2
2-1/2
3-1/2
Fraction
Decimal
1.0
1.25
1.5
2.0
2.5
3.0
3.5
4.0
5.0
6.3
7.0
8.0
Amps
1
1.25
1.5
2
2.5
3
3.5
4
5
6.3
7
8
10
12
15
4
/
4
Bel FGNO[XXXX]
1000
1250
1500
2000
2500
3000
3500
4000
5000
6300
7000
8000
9100
9120
9150
Mechanical Dimensions
Ordering Information
Packaging
Packaging Tape & Reel
12 mm wide tape with 13 inches Diameter reel
12 mm wide tape with 7 inches Diameter reel
Packaging Specification
EIA Standard 481-E
EIA Standard 481-E
Quantity
5000
1000
Quantity & Packaging Code
05
01
Specifications subject to change without notice
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
© 2018 Bel Fuse, Inc.
+1 201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit-protection
Rev. SSQ Nov2018
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Bel
:
SSQ 400/5K SSQ 400/1K SSQ 375/5K SSQ 15 /5K SSQ 315/5K SSQ 12 /5K SSQ 1.5/5K SSQ 630/1K SSQ
1.6/5K SSQ 2 /5K SSQ 800/1K SSQ 315/1K SSQ 630/5K SSQ 1.25/5K SSQ 3 /5K SSQ 4/5K SSQ 8 /5K SSQ
200/1K SSQ 200/5K SSQ 800/5K SSQ 1.6/1K SSQ 2.5/5K SSQ 500/5K SSQ 250/5K SSQ 5/5K SSQ 1/5K SSQ
6.3/5K SSQ 7 /5K SSQ 10 /5K SSQ 750/5K SSQ 3.5/5K SSQ 500/1K SSQ 5 /1K SSQ 12/1K SSQ 2 /1K SSQ
15/1K SSQ 1/1K SSQ 6.3/1K SSQ 2.5/1K SSQ 750/1K SSQ 250/1K SSQ 1.5/1K SSQ 10/1K SSQ 375/1K SSQ
3.5/1K SSQ 8/1K SSQ 1.25/1K SSQ 4/1K SSQ 3/1K SSQ 7/1K
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