Type C1T
Surface Mount
Slow Blow Chip Fuse
belfuse.com/circuit
-
protection
C1T Series
–
1206 Size
Features
-
Slow Blow
-
Small size,
1206
SMD
-
Current rating from 7
5
0mA to 8A
-
Wide operating temperature range from
-
55
℃
to 125
℃
-
Tape and Reel for automatic SMD placement
-
Compatible with 260
℃
IR Pb
-
free and wave soldering p
rocess
-
AEC
-
Q
Compliant
-
RoHS 2
compliant (MSL = 1)
-
Halogen Free
and Lead
F
ree
-
Meets Bel a
utomotive qualification*
*
-
Largely based on internal AEC
-
Q test
plan
Applications
-
Notebook
-
A
utomotive Navigation System
-
LED Headlights
-
Thin film transistor LCD flat
-
panel display screen
-
PC computer
-
Office electronic equipment
-
Industrial equipment
-
Medical equipment
-
POE, POE+
-
L
CD / LED monitor
and LCD / LED TV
-
Power supply
LEAD FREE =
-
DC
-
DC Converter
HALOGEN FREE =
Electrical Characteristics
(
UL STD. 248
-
14
)
Testing Current
Blow Time
Minimum
Maximum
100%
4 Hrs.
N/A
200%
1 Sec
120
Sec
300%
0.1 Sec
3
Sec
800%
0.002 Sec
0.05 Sec
Safety Agency Approvals
Physical Specifications
Materials
Body : Ceramic Substrate
Terminations : Ag / Ni / Sn (100% Lead
-
free)
Element Cover Coating : Lead
-
free Glass
Marking
On Fuse :
Marking Code
On Label :
"bel", "
C1T
", "Current Rating", "Voltage Rating", "Interrupting Rating",
"
Appropriate Safety Logos" and "
", "
"(China RoHS
compliant).
Safety
Agency
Safety Agency
Certificate
Voltage Rating
(V)
Ampere Range / Volt
@ I.R. ability*
E20624
750mA
-
8A/63V
AC/DC
750mA
-
8A/63V AC/DC @50A
R 50410861
Tested according to
IEC 60127
-
1: 2006+A1+A2
IEC 60127
-
7: 2016
750mA
-
8A/63V
AC/DC
750mA
-
8A/63V AC/DC
@50A
or 10In, which is higher
*I.R.= Interrupting Rating = Short Circuit Rating(Amps)
Typical Part Marking
Fuse body (ceramic white side)
marked with marking code.
Example:
Specifications subject to change without notice
Current
Rating
Marking
Code
Current
Rating
Marking
Code
750mA
TM
3.5A
TZ
1A
T1
4A
T4
1.25A
TP
5A
T5
1.5A
TR
6A
T6
2A
T2
7A
T7
2.5A
TT
8A
T8
3A
T3
AEC
-
Q Compliant
Type C1T
2
/
4
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
USA
+1
201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit
-
protection
© 201
9
Bel Fuse, Inc.
Rev. C1T
Jan2019
Temperature Derating Curve
Average Time
Current Curve
Electrical
S
pecifications
Part Number
Ampere
Rating
(A)
Marking
Code
Nominal
Cold
Resistance
(ohms)
Maximum
Volt
-
drop
@100% In
(Volt) max.
Voltage and
Interrupting
Ratings
Nominal
Melting I²T
@10 In
(A² Sec)
Maximum
Power
Dissipation
@100% In
(W)
Agency
Approvals
0685T0750
-
XX
750mA
TM
0.78
0
0.795
See Table of
Safety
Approvals on
Page 1 for
Voltage and
associated
Interrupting
Ratings
0.06
0.60
Y
Y
0685T1000
-
XX
1A
T1
0.460
0.597
0.12
0.60
Y
Y
0685T1250
-
XX
1.25A
TP
0.300
0.541
0.20
0.68
Y
Y
0685T1500
-
XX
1.5A
TR
0.190
0.436
0.23
0.65
Y
Y
0685T2000
-
XX
2A
T2
0.1
10
0.325
0.63
0.65
Y
Y
0685T2500
-
XX
2.5A
TT
0.068
0.274
1.07
0.69
Y
Y
0685T3000
-
XX
3A
T3
0.050
0.232
1.64
0.70
Y
Y
0685T3500
-
XX
3.5A
TZ
0.040
0.194
2.28
0.68
Y
Y
0685T4000
-
XX
4A
T4
0.030
0.195
2.56
0.78
Y
Y
0685T5000
-
XX
5A
T5
0.020
0.157
5.3
0.79
Y
Y
0685T6000
-
XX
6A
T6
0.0145
0.153
6.0
0.92
Y
Y
0685T7000
-
XX
7A
T7
0.0115
0.139
6.9
0.97
Y
Y
0685T8000
-
XX
8A
T8
0.0095
0.135
8.0
1.08
Y
Y
Consult manufacturer for other ratings
NOTES: Test Co
nditions
All test for ratings 7
5
0mA
-
5A were conducted with fuse samples soldered on a PCB (1.6mm thick) test board with copper traces measuring
0.035 mm (35μm) nominal thickness (1 oz.
clad), 5mm wide
and 100 mm overall length.
All test for ratings 6A
-
8A were conducted with fuse samples soldered on a PCB (1.6mm thick) test board with copper traces measuring 0.070
mm (70
μ
m) nominal thickness (2 oz. clad), 7.5mm wide and 100 mm overall length.
Device de
signed to be mounted with marking facing up.
Device designed to carry rated current for 4 hours minimum. It is recommended that device be operated continuously at no more
than 80% of
rated current when in a +25°C
ambient, with further derating at elevated ambient temperatures.
Spe
cifications subject to change without notice
Type C1T
3
/
4
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
USA
+1
201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit
-
protection
© 201
9
Bel Fuse, Inc.
Rev. C1T
Jan2019
Environmental Specifications
High temperature storage
MIL
-
STD
-
202 Method 108
Temperature cycling
JESD22 Method JA
-
104,Test
Condition B
Biased humidity
MIL
-
STD
-
202 Method 103,
85C/85% RH with
10% operating power for 1000 hrs
.
Operational life
MIL
-
STD
-
202 Method 108, Test Condition D
Resistance to solvents
MIL
-
STD
-
202 Method 215
Mechanical shock
MIL
-
STD
-
Condition C
Vibration
MIL
-
STD
-
202 Method 204
Resistance to soldering
heat
MIL
-
STD
-
202 Method 210,Test condition B
Thermal shock
MIL
-
STD
-
202 Method 107
Solderability
J
-
STD
-
002
Board flex(SMD)
AEC
-
Q200
-
005
Terminal strength
AEC
-
Q200
-
006
Electrical
characterization
3 temperature electrical
Soldering Parameters
Shock Resistance
MIL
-
STD
-
202G, Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds;
Sawtooth
waveform)
Vibration
Resistance
MIL
-
STD
-
202G, Method 201A
(10
-
55 Hz,
0.06
inch, total excursion).
Salt Spray Resistance
MIL
-
STD
-
202G, Method 101E, Test Condition B
(48 hrs
.
).
Insulation Resistance
MIL
-
STD
-
202G,
Method 302, Test Condition A
(After Opening) 10,000 ohms minimum.
Solderability
MIL
-
STD
-
202G, Method 208H
Resistance to solder
Heat
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)
Thermal Shock
MIL
-
STD
-
202G
, Method 107G, Test Condition B
(
-
65
℃
to +125
℃
).
Operating
Temperature
-
55
℃
to +125
℃
Moisture Sensitivity
Level
1 (According to IPC J
-
Std
-
020)
IR Reflow Profile (IPC/JEDEC J
-
STD
-
020D)
Preheat & Soak
T
emperature min (T
smin
)
Temperature max (T
smax
)
Time (T
smin
to T
smax
) (t
s
)
150
℃
200
℃
60
-
120 seconds
Average ramp
-
up rate (T
smax
to T
p
)
3
℃
/second max.
Liquidous
temperature (T
L
)
Time at liquidous (t
L
)
217
℃
60
-
150 seconds
Peak temperature (T
p
)
260
℃
max
Time (tp) within 5
℃
of the specified
classification temperture (Tc)
30 seconds
Average ramp
-
down rate (T
p
to T
smax
)
6
℃
/second max.
Time 25
℃
to peak temperature
8 minutes max.
Lead
-
free Wave Soldering Profile
Wave Soldering Parameter
Average ramp
-
up rate
200
℃
/ second
Heating rate during preheat
typical 1
-
2
℃
/ second
Max 4
℃
/ second
Final preheat temperature
within 125
℃
of soldering
temperature
Peak temperature Tp
260
℃
Time with
in +0
℃
/
-
5
℃
of actual
peak
temperature
10 seconds
Ramp
-
down rate
5
℃
/ second max.
Spe
cifications subject to change without notice
Type C1T
4
/
4
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
USA
+1
201.432.0463
Bel.US.CS@belf.com
belfuse.com/circuit
-
protection
© 201
9
Bel Fuse, Inc.
Rev. C1T
Jan2019
Fuse FGNO Explanation
0685
T
[XXXX]
-
XX
0685T
=
C1T
;
[XXXX]=Ampere Rating;
XX=See Ordering Information as below
Fraction
Decimal
Milliamps
Bel FGNO[XXXX]
Fraction
Decimal
Amps
Bel FGNO[XXXX]
3/4
0.750
750
0750
1.0
1
1000
1
-
1/4
1.25
1.25
1250
1
-
1/2
1.50
1.5
1500
2.0
2
2000
2
-
1/2
2.5
2.5
2500
3.0
3
3000
3
-
1/2
3.5
3.5
3500
4.0
4
4000
5.0
5
5000
6.0
6
6000
7.0
7
7000
8.0
8
8000
Mechanical Dimensions
Ordering Information
Packaging
Packaging Tape & Reel
Packaging Specification
Quantity
Quantity & Packaging Code
8 mm wide tape with 7 inches Diameter reel
EIA Standard 481
-
E
5000
0685T
XXXX
-
01
Spe
cifications subject to change without notice