Type C1Q
Surface Mount Very Fast-Acting Chip Fuse
C1Q Series – 1206 Size
RoHS 2 Compliant
Features
- Fast Acting
- Small size, 1206 SMD
- Current rating from 250mA to 7A
- Wide operating temperature range from -55℃ to 125℃
- Tape and Reel for automatic SMD placement
- Compatible with 260℃ IR Pb-free and wave soldering process
- RoHS 2 compliant (MSL = 1)
- Halogen Free
- Lead free
Applications
- Notebook
- LCD monitor
- PC computer
- Office electronic equipment
- Industrial equipment
- Medical equipment
- POE, POE+
- LCD / LED monitor
- Power supply
- LCD / LED TV
- DC-DC Converter
LEAD FREE =
HALOGEN FREE =
Electrical Characteristics
Testing
Current
100%
200%
300%
(UL/CSA/STD.248-14)
Safety Agency Approvals
Safety Safety Agency
Agency
Certificate
LR39772
E20624
E20624
250mA-5A/125V AC
63V DC
7A/63V AC & DC
Voltage Rating
(V)
Ampere Range / Volt
@ I.R. ability*
Blow Time
Minimum
4 Hrs.
N/A
N/A
Maximum
N/A
5 Sec
0.2 Sec
250mA-5A/125V AC@100A
63V DC@50A
7A/63V AC&DC@50A
*I.R.= Interrupting Rating = Short Circuit Rating(Amps)
Physical Specifications
Body : Ceramic Substrate
Materials
Terminations : Ag / Ni / Sn (100% Lead-free)
Element Cover Coating : Lead-free Glass
On Fuse :
None
Marking
On Label :
"bel", "C1Q", "Current Rating", "Voltage Rating", "Interrupting Rating", "Appropriate Safety Logos" and
"
", "
"(China RoHS compliant).
Specifications subject to change without notice
belfuse.com/circuit-protection
Type C1Q
Temperature Derating Curve
Average Time Current Curve
2
/
4
Electrical Specifications
Catalog
Number
Ampere
Rating
(A)
250mA
375mA
500mA
750mA
1A
1.25A
1.5A
2A
2.5A
3A
3.5A
Nominal
Cold
Resistance
(ohms)
0.85
0.48
0.32
0.175
0.124
0.092
0.075
0.054
0.042
Nominal
Volt-drop
@100% In
(Volt)
0.250
0.222
0.195
0.163
0.156
0.149
0.142
0.140
0.138
Voltage and
Interrupting
Ratings
Melting I²T
@10 In
(A² Sec)
0.00003
0.00006
0.00011
0.00042
0.00096
Nominal
Power
Dissipation
@100% In
(W)
0.06
0.08
0.10
0.12
0.16
0.19
0.21
0.28
0.35
0.41
0.49
0.58
0.77
1.12
Agency Approvals
C1Q 250
C1Q 375
C1Q 500
C1Q 750
C1Q 1
C1Q 1.25
C1Q 1.5
C1Q 2
C1Q 2.5
C1Q 3
C1Q 3.5
C1Q 4
C1Q 5
C1Q 7
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
See Table of
Safety Approvals on
Page 1 for Voltage
and associated
Interrupting Ratings
0.0020
0.0024
0.005
0.008
0.020
0.029
0.038
0.075
0.116
0.035
0.030
0.028
0.022
0.015
0.136
0.140
0.144
0.154
0.160
4A
5A
7A
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. C1Q Nov2018
Type C1Q
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)
T
emperature min (T
smin
)
Preheat & Soak
150℃
200℃
60-120 seconds
3℃/second max.
217℃
60-150 seconds
260℃ max
30 seconds
6℃/second max.
8 minutes max.
Temperature max (T
smax
)
Time (T
smin
to T
smax
) (t
s
)
Average ramp-up rate (T
smax
to T
p
)
Liquidous temperature (T
L
)
Time at liquidous (t
L
)
Peak temperature (T
p
)
Time (tp) within 5℃ of the specified
classification temperture (T
c
)
Average ramp-down rate (T
p
to T
smax
)
Time 25℃ to peak temperature
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.
Fuse FGNO Explanation
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. C1Q Nov2018
Type C1Q
Fuse FGNO Explanation
0685 - [XXXX] -XX
[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
2-1/2
1-1/4
1-1/2
Fraction
Decimal
1.0
1.25
1.50
2.0
2.5
3.0
3-1/2
3.5
4.0
5.0
7.0
Amps
1
1.25
1.5
2
2.5
3
3.5
4
5
7
4
/
4
Bel FGNO[XXXX]
1000
1250
1500
2000
2500
3000
3500
4000
5000
7000
Mechanical Dimensions
Ordering Information
Packaging
Packaging Tape & Reel
8 mm wide tape with 7 inches Diameter reel
Packaging Specification
EIA Standard 481-E
Quantity
5000
Quantity & Packaging Code
0685-XXXX-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. C1Q Nov2018