Chip
Fusible Chip
Resistors
Fusible Chip Resistors
Resistors
FCR Series
FCR Series
FCR
Fuses safely under defined overload conditions
Series
Fuses safely under defined overload conditions
Combines inrush limit and board-level protection
Fuses safely under defined overload conditions
Combines inrush limit and board-level protection
Standard chip formats for fast placement
Combines inrush limit and board-level protection
Standard chip formats for fast placement
RoHS compliant matt tin finish
Standard chip formats for fast placement
RoHS compliant matt tin finish
Resistors
Fusible
RoHS compliant matt tin finish
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
0603
Power rating @ 70ºC
watts
0.063
Electrical Data
Resistance range
ohms
0603
– 33R
5R6
Power rating power for <60s fusing time
watts
Minimum @ 70ºC
watts 0.0632
Resistance range
ohms 5R6 – 33R
Maximum post-fuse standoff (dc or ac peak) volts
25
Minimum power for <60s fusing time
watts
2
TCR
ppm/ºC
Resistance tolerance
Maximum post-fuse standoff (dc or ac peak) volts %
25
Ambient temperature range
TCR
ppm/ºC ºC
Standard values
Resistance tolerance
%
Ambient temperature range
ºC
Standard values
Electrical Data
Physical Data
0805
1206
1210
2010
0.1
0.125
0.25
0.5
10 – 82R
10 –
10 –
0805
1206
1210
300R
2010
100R
10–27R: 3.75
0.1
0.25
0.54.5
2.5 0.125
30-300R: 3.0 10 – 100R
10 – 82R
10 – 300R
50
10–27R: 3.75 100
2.5
4.5
±500 30-300R: 3.0
±5
50
100
-55 to +125
±500
±5E24
-55 to +125
E24
T max
0.65
T max
0.65
0.65
0.70
0.65
0.70
0.70
0.71
0.70
0.71
Physical Data
L
W
Dimensions (mm) and weight (g)
0603
1.6±0.15
0.8±0.2
L
W
0805
2.0±0.2
1.25±0.2
0603
0.8±0.2
1206
1.6±0.15
3.2±0.15
1.6±0.15
0805
2.0±0.2
1.25±0.2
1210
3.2±0.15
2.6±0.15
1206
2010
1210
3.2±0.15
5.0±0.15
3.2±0.15
1.6±0.15
2.5±0.2
2.6±0.15
2.5±0.2
Dimensions (mm) and weight (g)
C
0.25±0.2
C
0.4±0.2
0.25±0.2
0.5±0.2
0.4±0.2
0.5±0.2
Conductors, resistive element and protection are applied to a 96% alumina substrate. The design and laser
adjustment of
Construction
the resistive element optimises the fusing performance of the resistor.
Conductors, resistive element and protection are applied to a 96% alumina substrate. The design and laser
Terminations
adjustment of the resistive element optimises the fusing performance of the resistor.
The chips are supplied with wrap-around terminations suitable for soldering.
The terminations have an electroplated nickel barrier and 100% matt tin finish. This ensures excellent ‘leach’
resistance properties and solderability.
Solderability
The terminations have an electroplated nickel barrier and 100% matt tin finish. This ensures excellent ‘leach’
resistance properties and solderability.
Marking
The body protection is resistant to all normal cleaning solvents suitable for printed circuits. All resistors are
individually
Marking
marked with 3 digits. The first two digits are the significant figures and the third defines the number of
added protection is resistant to all normal cleaning solvents suitable for printed circuits. All resistors are
The bodyzeros.
individually marked with 3 digits. The first two digits are the significant figures and the third defines the number of
added zeros.
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information
General Note
is subject to Welwyn’s own data and is considered accurate at time of going to print.
2010
5.0±0.15
Construction
0.5±0.2
0.6±0.25
0.5±0.2
A
0.25±0.2
A
0.4±0.2
0.25±0.2
0.5±0.2
0.4±0.2
0.5±0.2
0.5±0.2
0.6±0.25
0.5±0.2
0.6±0.25
0.6±0.25
Terminations
The chips are supplied with wrap-around terminations suitable for soldering.
Solderability
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
Welwyn Components reserves the right to make changes in product specification without notice or liability.
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA, UK
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA, UK
© TT Electronics plc
A subsidiary of
BI Technologies IRC Welwyn
plc
TT electronics
A subsidiary
05
of
www.ttelectronics.com/resistors
. 08
TT electronics plc
05 . 08
03.20
All information is
is
+44 (0) 1670 822181
own data and is considered
accurate
at
Email: info@welwyn-tt.com Website: www.welwyn-tt.com
Telephone:
subject
TT Electronics’
Facsimile:
is considered
829465
time of going to print.
All information
subject to
to Welwyn’s own data and
+44 (0) 1670
accurate
at
time of going to print.
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
Fusible Chip Resistors
Fusible Chip Resistors
FCR Series
FCR Series
Performance Data
Load at rated power:
1000 hours cyclic load @ 70°C
Shelf life test:
12 months at room temperature
Derating from rated power at 70°C
Short term overload:
10 cycles of 6.25 x rated power for 5S
Climatic category
Long term damp heat
56 days 85°C 85%RH
Temperature rapid change
-55 to 125°C
Resistance
to solder heat
Post-fuse leakage:
50Vdc (25Vdc for 0603)
Voltage proof
Insulation resistance
@ 100Vdc
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
ΔR%
mA
volts
ohms
Maximum
Typical
1
0.1
0.2
0.1
Zero at 125°C
2.5
0.1
55/125/56
3
0.5
1
0.1
2.5
1
10
2
400
>100M
Fusing Performance
Fuse Time (s)
100
Typical Constant Voltage Fusing Characteristic
10
0603, 0805
& 1206
1210
& 2010
1
0
1
2
3
4
5
6
7
8
9
Initial Power (W)
Note
–
actual fusing characteristics depend on mounting conditions.
Reference
conditions
are FR4
substrate with
35• m (1oz) copper, pad and track width as follows: 0603
–
1.5mm, 0805
–
1.7mm, 1206
–
2mm, 1210
–
2.9mm,
2010
–
3mm.
FCR
Resistors
are supplied taped and reeled
on a 7” reel
as per IEC 286-3. The width of the reel is 15.4±1mm for
2010 size and 11.4±1.1mm for the smaller sizes.
Packaging
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
© Welwyn
subject to TT Electronics’ own
Bedlington Northumberland NE22
of going to
All information is
Components Limited
data and is considered accurate at time
7AA, UK
print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
05 . 08
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
© TT Electronics plc
03.20
Fusible Chip Resistors
FCR Series
Ordering Procedure
Example: FCR1210-22RJI
(FCR1210, 22 ohms ±5%, Pb-free)
F
C
1
1
Series
FCR
2
Size
R
1
2
2
3
Value
1
0
-
2
2
3
4
Tolerance
J = ±5%
I
Tape
R
J
4
I
5
5
Packing
0603, 0805, 1206, 1210 5000/reel
2010
4000/reel
0603 E24 = 3/4 characters
0805
R = ohms
1206
1210
2010
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
03.20
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