FCSL Series
Metal Foil Current Sense
Ohmite continues to add to its complement
of Current Sense offerings with the FCSL
Series. FCSL incorporates proven metal foil
technology to produce the ultimate in a cur-
rent sense resistor. FCSL features the effec-
tive combination of very low and stable TCRs
(Temperature Coefficient of Resistance) avail-
able in a wide selection of very low ohmic
values. Power ratings up to 10 Watts makes
FCSL the ideal choice for your current sens-
ing applications.
S e r i e S S p e C i F i C at i o n S
F e at u r e S
• Foil Construction ensures a very stable TCR (Temperature
Coefficient of Resistance)
• Designed for automatic insertion
• Industry standard sizes
• High heat resistant use
• Low heat electromotive use
• Color: white (top) and green (bottom)
CharaCteriStiCS
Test Condition
Overload
(10W) Rated power x1.5, 5s
Max. temperature
70°C
for rated power
(10W: 100°C)
Operating
-55°C ~ +155°C
temp. range
Rated voltage
√(Rated power x Resistance
value) V
In-rush current*
Rated current 10 msec ON,
60 sec OFF, 10 cycles* (see
table below)
Rapid change of
-55°C (30min.)/+155°C
temperature
(30min.), 100 cy.
-55℃ (30min), Room temp
(3min), +155℃ (30min),
Room temp (3min), 100 cy.,
FCSL20 & 32 only
-40℃ (30min), Room temp
(3min), +125℃ (30min),
Room temp (3min), 1000 cy.,
FCSL150 only
Solderability
245°C ±5°C for 3 ±0.5 sec.
±(1.0% +0.0005Ω)
Maximum ∆R
±(1.0%+0.0005Ω)
Power Resistance
TCR Weight
Series
Rating Range (mΩ) Tol. (ppm/°C) (g)
FCSL20 1.0W
2m
±5% ±100 0.025
3m ~ 4m ±2% ±100
5m ~ 9m
±1% ±100
10m ~ 50mΩ ±1%
±50
FCSL32 1.5W 1m ~ 2m
±5% ±100 0.030
3m ~ 4m ±2% ±100
5m ~ 9m
±1% ±100
10m ~ 50mΩ ±1%
±50
FCSL64 2.0W
1m
±5% ±150 0.036
2m
±2% ±100
3m ~ 100m ±1%
±50
5m ~ 50mΩ ±0.5% ±50
FCSL76 3.0W
1m
±5% ±150 0.050
2m
±2% ±100
3m ~ 100m ±1%
±50
5m ~ 50mΩ ±0.5% ±50
FCSL90 4.0W
1m
±5% ±150 0.071
2m
±2% ±100
3m ~ 100m ±1%
±50
5m ~ 50mΩ ±0.5% ±50
FCSL110 5.0W
1m
±5% ±150 0.096
2m
±2% ±100
3m ~ 100m ±1%
±50
5 m ~ 50mΩ ±0.5% ±50
FCSL150 10.0W
1m
±5% ±100 0.316
2m
±2% ±100
3m ~ 100m ±1% ±100
(>9m:±50)
*In-rush Current
1mΩ~10mΩ
Rated In-rush
Max.
Series Wattage Power Current
1W
20W
45A
FCSL20
FCSL32
1.5W
56W
64A
FCSL64
2W
225W
125A
FCSL76
3W
325W
150A
FCSL90
4W
440W
180A
FCSL110
5W
600W
240A
FCSL150
10W
700W
270A
6
12mΩ~100mΩ
In-rush
Max.
Power Current
14W
20A
36W
35A
150W
70A
210W
80A
300W
100A
440W
120A
470W
140A
±(1.0% +0.0005Ω)
±(1.0% +0.0005Ω)
±0.6%
Min. 90% cover-
age (FCSL20-32:
95%)
±(1.0% +0.0005Ω)
(FCSL20-32:
±(2.0% +0.0005Ω))
±(0.5% +0.0005Ω)
(FCSL20-32: No
evid. of mech.
damage)
±(2.0% +0.0005Ω)
Endurance at
70°C ±3°C, Rated voltage
70°C
1.5h ON, 0.5h OFF, 1000h
Resistance to
260°C ±5°C for 10 ±1 sec.
soldering heat
Moisture
60°C ±2°C, 90~95% RH,
resistance
Rated voltage 1.5h ON, 0.5h
OFF, 1000h
±(1.0%+0.0005Ω)
Terminal strength 10W:
Bending width: 2mm
for 10s±1s, Glass epoxy sub-
strate 1.6mm thick
In-rush current =
√(in-rush
power/resis-
tance value), or max.
current, whichever is
smaller
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
FCSL Series
Metal Foil Current Sense
CharaCteriStiCS
Derating
100
Recommended Reflow Temperature Profile
(10W)
Percent Rated Power
80
60
40
20
0
-55
For lead free soldering (Sn-Ag-Cu solder)
FCSL20-32
FCSL64-110
Preheating: 150° ~ 200° 60s ~ 180s 130° ~ 180° 60s ~ 90s
Heating:
Over 217° 60s ~ 150s Over 220° 30s ~ 90s
Peak:
260°
Max. 30s 240° ~ 260° Max. 10s
Max. number of reflow: 2
300
Temperature °C
200
150
100
50
FCSL20-32
Reflow
Temperature °C
0
50 70 100
Ambient Temperature,
°C
155
250
Peak
260℃ Max. 30s
300
250
200
150
100
50
Peak
240 ~ 260℃ Max. 10s
FCSL64-150
Heating
Preheating
150 ~ 200℃
60 ~ 180 sec.
Over 217℃
60s ~ 150s
Preheating
130 ~ 180℃
60 ~ 90 sec.
Over 220℃
30s ~ 90s
Time (sec.)
Time (sec.)
DimenSionS
(in.±.008/mm ±0.20)
L
a
4
3
Series
FCSL32
FCSL76
FCSL64
FCSL20
Power Rating
1.5W
3.0W
2.0W
1.0W
L
0.049/1.25
0.063/1.6
0.122/3.1
0.177/4.5
0.15/3.8
W
0.079/2.0
0.126/3.2
0.248/6.3
0.35/8.9
0.3/7.6
1mΩ
0.016/0.40
0.053/1.35
0.047/1.20
a
2mΩ and higher
0.014/0.35*
0.024/0.60
0.020/0.50
0.011/0.28
t
0.024/0.60
0.020/0.50
0.024/0.60
W
5
2
R010
1
t
FCSL110
has wrap-
around terminals
*5mΩ and higher: 0.010"/0.25mm
FCSL150
FCSL110
FCSL90
5.0W
10W
4.0W
0.295/7.5
0.197/5.0
0.591/15.0
0.43/11.0
0.043/1.10
0.063/1.60
0.063/1.60
0.031/0.80
0.028/0.70
0.020/0.50
0.020/0.50
0.020/0.50
Land Pattern
c
a
b
Value range
2mΩ~50mΩ
1mΩ~4mΩ
5mΩ~50mΩ
FCSL64
1mΩ
2mΩ~100mΩ
FCSL76
1mΩ
2mΩ~100mΩ
FCSL90
1mΩ
2mΩ~100mΩ
FCSL110
1mΩ
2mΩ~100mΩ
FCSL150
1mΩ
2mΩ~100mΩ
(mm)
FCSL20
FCSL32
a
b
c
0.50 2.80 2.30
0.50 3.20 3.68
0.60 3.20 3.68
0.9 4.2 6.6
2.2 4.2 6.6
1.1 4.6 7.8
2.6 4.6 7.8
1.3 5.1 9.2
3.1 5.1 9.2
1.5 5.6 11.2
3.6 5.6 11.2
2.0 8.4 15.2
5.0 8.4 15.2
1.
Alumina substrate
4.
Protective coating
(Epoxy resin)
2.
Resistive element
(Ni-Cu-Mn alloy)
5.
Marking
(Epoxy resin)
3.
Electrode (Ni, Sn)
pa C k a g i n g S p e C i F i C at i o n S
Reel
(in./mm)
FCSL20/32
FCSL64
7.087
0.512
0.079
0.236
0.518
0.669
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(13.0 ±0.3)
(17.0 ±1.4)
FCSL76/90
7.087
0.512
0.079
0.236
0.669
0.764
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(17.0 ±0.3)
(19.4 ±1.0)
FCSL110
7.087
0.512
0.079
0.827
1.000
1.157
(180
±2.0)
(13 ±0.2)
(2.0 ±0.5)
(21 ±0.8)
(25.4 ±1.0)
(29.4 ±1.0)
FCSL150
12.992 (330±2.0)
0.512 (13±0.2)
0.079 (2.0 ±0.5)
3.937 (100±1.0)
1.000 (25.4 ±1.0)
1.157 (29.4 ±1.0)
A
H
E
N
W
1
W
2
7.087
0.512
0.079
0.236
0.354
0.449
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(9.0 ±0.3)
(11.4 ±1.0)
H N A
E
W
2
W
1
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
7
FCSL Series
Metal Foil Current Sense
p a C k a g i n g S p e C i F i C a t i o n S ( C o n t. )
Tape
(in./mm)
T
T
ØD0
E
Paper
tape
Embossed
plastic
tape
F
B
W
T2
FCSL20
A
B
W
E
F
P
0
P
1
P
2
D
0
D
1
T
T
2
0.066
0.094
0.315
0.069
0.138
0.157
0.157
0.079
0.059
(1.68
(2.38
(8.00
(1.75
(3.50
(4.00
(4.00
(2.00
(1.50
±0.20)
±0.20)
±0.30)
±0.10)
±0.10)
±0.10)
±0.10)
±0.10)
±0.10)
FCSL32
0.081
0.144
0.315
0.069
0.138
0.157
0.157
0.079
0.059
(2.05
(3.65
(8.00
(1.75
(3.50
(4.00
(4.00
(2.00
(1.50
T2
Resistor
FCSL64
A
P1
P2
P0
direction of unreeling
FCSL76
0.163
0.313
0.630
0.295
0.069
0.157
0.315
0.079
0.059
0.059
0.012
0.047
(4.15 ±0.10)
(7.95 ±0.10)
(16.00 ±0.30)
(7.50 ±0.10)
(1.75 ±0.10)
(4.00 ±0.10)
(8.00 ±0.10)
(2.00 ±0.10)
(1.50 ±0.10)
(1.50 ±0.10)
(0.30 ±0.05)
(1.2 ±0.15)
FCSL90
0.191
0.368
0.630
0.295
0.069
0.157
0.315
0.079
0.059
0.059
0.012
0.047
(4.85 ±0.10)
(9.35 ±0.10)
(16.00 ±0.30)
(7.50 ±0.10)
(1.7 ±0.10)
(4.00 ±0.10)
(8.00 ±0.10)
(2.00 ±0.10)
(1.50 ±0.10)
(1.50 ±0.10)
(0.30 ±0.05)
(1.2 ±0.15)
FCSL110
0.213
0.453
0.945
0.453
0.069
0.157
0.315
0.079
0.059
0.059
0.012
0.047
ØD1.
FCSL150
0.327
0.614
0.945
0.069
0.453
0.157
0.472
0.079
0.059
0.059
0.012
0.091
(8.30 ±0.1)
(15.60 ±0.1)
(24.00 ±0.2)
(1.75 ±0.1)
(11.50 ±0.1)
(4.00 ±0.1)
(12.00 ±0.1)
(2.00 ±0.1)
(1.50 +0.05/-0)
(1.50 +0.05/-0)
(0.30 ±0.05)
(2.3 ±0.1)
±0.20)
±0.20)
±0.30)
±0.10)
±0.10)
±0.10)
±0.10)
±0.10)
±0.10)
0.039
(1.00 max.)
0.055
(1.40 max.)
0.039
(1.00 max.)
0.055
(1.40 max.)
0.135
0.261
0.472
0.069
0.217
0.157
0.157
0.079
0.059
0.059
0.008
0.059
(3.43 ±0.2)
A
(6.63 ±0.2)
B
(12.0 ±0.3)
W
(1.75 ±0.1)
F
(5.5 ±0.05)
E
(4.0 ±0.1)
P
0
(4.0 ±0.1)
P
1
P
(2.0 ±0.05)
2
D
0
(1.5 +0.1/-0)
D
1
(1.5 +0.2/-0)
T
(0.2 ±0.05)
(1.5 max.)
T
2
(5.40 ±0.10)
(11.50 ±0.10)
(24.00 ±0.30)
(11.50 ±0.10)
(1.75 ±0.10)
(4.00 ±0.10)
(8.00 ±0.10)
(2.00 ±0.10)
(1.50 ±0.10)
(1.50 ±0.10)
(0.30 ±0.05)
(1.2 ±0.15)
o r D e r i n g i n F o r m at i o n
RoHS Compliant
Series
Package Size
Ohms
20=2012=1W
R005 = 0.005Ω
32=3216=1.5W
R050 = 0.050Ω
64=6432=2W
76=7638=3W
90=9045=4W
110=11050=5W
150=15075=10W
Tolerance Taping Code
J = 5%
1,000 pc/reel
G = 2%
(10W: 500pc/reel)
F = 1%
D = 0.5%
Standard Part Numbers
Ohms
0.0010
0.0020
0.0030
1.0 Watt
FCSL20R003GE
1.5 Watts
FCSL32R003GE
FCSL32R005FE
FCSL32R010FE
FCSL32R015FE
FCSL32R020FE
FCSL32R025FE
FCSL32R030FE
FCSL32R050FE
FCSL64R005FE
FCSL64R005DE
FCSL64R010FE
FCSL64R010DE
FCSL64R015FE
FCSL64R015DE
FCSL64R020FE
FCSL64R020DE
FCSL64R025FE
FCSL64R025DE
FCSL64R030FE
FCSL64R030DE
FCSL64R050FE
FCSL64R050DE
FCSL64R100FE
FCSL76R005FE
FCSL76R005DE
FCSL76R010FE
FCSL76R010DE
FCSL76R015FE
FCSL76R015DE
FCSL76R020FE
FCSL76R020DE
FCSL76R025FE
FCSL76R025DE
FCSL76R030FE
FCSL76R030DE
FCSL76R050FE
FCSL76R050DE
FCSL76R100FE
FCSL90R005FE FCSL110R005FE FCSL150R005FE
FCSL90R005DE FCSL110R005DE
FCSL90R010FE FCSL110R010FE FCSL150R010FE
FCSL90R010DE FCSL110R010DE
FCSL90R015FE FCSL110R015FE FCSL150R015FE
FCSL90R015DE FCSL110R015DE
FCSL90R020FE FCSL110R020FE FCSL150R020FE
FCSL90R020DE FCSL110R020DE
FCSL90R025FE FCSL110R025FE FCSL150R025FE
FCSL90R025DE FCSL110R025DE
FCSL90R030FE FCSL110R030FE FCSL150R030FE
FCSL90R030DE FCSL110R030DE
FCSL90R050FE FCSL110R050FE FCSL150R050FE
FCSL90R050DE FCSL110R050DE
FCSL90R100FE FCSL110R100FE FCSL150R100FE
2 Watts
FCSL64R001JE
FCSL64R002GE
3 Watts
FCSL76R001JE
FCSL76R002GE
4 Watts
5 Watts
10 Watt
FCSL90R001JE FCSL110R001JE FCSL150R001JE
FCSL90R002GE FCSL110R002GE FCSL150R002GE
0.0050 FCSL20R005FE
0.0100 FCSL20R010FE
0.0150 FCSL20R015FE
0.0200 FCSL20R020FE
0.0250 FCSL20R025FE
0.0300 FCSL20R030FE
0.0500 FCSL20R050FE
0.1000
rev 8/18-5
8
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Ohmite
:
FCSL90R025FER FCSL64R010FER FCSL90R010FER FCSL76R001JER FCSL64R002GER FCSL76R025FER
FCSL76R002GER FCSL64R001JER FCSL64R005FER FCSL76R010FER FCSL64R050FER FCSL64R025FER
FCSL76R005FER FCSL90R050FER FCSL90R002GER FCSL90R001JER FCSL76R050FER FCSL90R005FER
FCSL110R001JER FCSL110R002GER FCSL110R005FER FCSL110R010FER FCSL110R025FER
FCSL110R050FER FCSL05R010FER FCSL05R020FER FCSL150R050FER FCSL150R010FER FCSL150R001JER
FCSL150R002GER FCSL150R025FER FCSL150R005FER FCSL90R020FER FCSL150R015FER
FCSL110R030FER FCSL64R015FER FCSL90R015FER FCSL110R020FER FCSL76R030FER FCSL76R020FER
FCSL64R020FER FCSL110R015FER FCSL150R020FER FCSL64R030FER FCSL76R015FER FCSL150R030FER
FCSL90R030FER FCSL32R003GER FCSL90R015DER FCSL64R010DER FCSL110R030DER FCSL20R015FER
FCSL76R025DER FCSL32R050FER FCSL76R030DER FCSL32R020FER FCSL64R020DER FCSL110R015DER
FCSL20R020FER FCSL76R015DER FCSL20R030FER FCSL32R025FER FCSL32R005FER FCSL90R025DER
FCSL90R020DER FCSL90R010DER FCSL20R050FER FCSL110R050DER FCSL76R005DER FCSL20R005FER
FCSL64R050DER FCSL32R010FER FCSL90R005DER FCSL20R003GER FCSL64R030DER FCSL64R005DER
FCSL20R025FER FCSL32R015FER FCSL64R015DER FCSL110R025DER FCSL32R030FER FCSL76R050DER
FCSL64R025DER FCSL110R020DER FCSL110R005DER FCSL90R050DER FCSL20R010FER FCSL76R010DER
FCSL110R010DER FCSL76R020DER FCSL90R030DER
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