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 current sense resistor. FCSL features the effective combination of very low and stable TCRs
(Temperature Coefficient of Resistance) available in a wide selection of very low ohmic
values. Power ratings up to 10 Watts makes
FCSL the ideal choice for your current sensing applications.
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)
S e r i e s s p e c i f i c at i o n s
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
Rated
Series Wattage
FCSL20
1W
FCSL32 1.5W
FCSL64
2W
FCSL76
3W
FCSL90
4W
FCSL110 5W
FCSL150 10W
6
1mΩ~10mΩ
12mΩ~100mΩ
In-rush Max. In-rush Max.
Power Current Power Current
20W
45A
14W
20A
56W
64A
36W
35A
225W
125A
150W
70A
325W
150A
210W
80A
440W
180A
300W
100A
600W
240A
440W
120A
700W
270A
470W
140A
C h a r a c t e r i s t i cs
Test Condition
Overload (10W) Rated power x1.5, 5s
Maximum ∆R
±(1.0%+0.0005Ω)
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)
±(1.0% +0.0005Ω)
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
±(1.0% +0.0005Ω)
Solderability 245°C ±5°C for 3 ±0.5 sec.
±(1.0% +0.0005Ω)
±0.6%
Min. 90% coverage (FCSL20-32:
95%)
Endurance at 70°C ±3°C, Rated voltage
70°C 1.5h ON, 0.5h OFF, 1000h
±(1.0% +0.0005Ω)
(FCSL20-32:
±(2.0% +0.0005Ω))
Resistance to 260°C ±5°C for 10 ±1 sec.
soldering heat
±(0.5% +0.0005Ω)
(FCSL20-32: No
evid. of mech.
damage)
Moisture 60°C ±2°C, 90~95% RH,
resistance Rated voltage 1.5h ON, 0.5h
OFF, 1000h
±(2.0% +0.0005Ω)
±(1.0%+0.0005Ω)
Terminal strength 10W: Bending width: 2mm
for 10s±1s, Glass epoxy substrate 1.6mm thick
In-rush current =
√(in-rush power/resistance 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
C h a r a c t e r i s t i cs
Recommended Reflow Temperature Profile
Derating
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
80
60
40
20
0
-55
0
50 70 100
Ambient Temperature, °C
300
155
Peak
250
300
260℃ Max. 30s
Temperature °C
(10W)
Temperature °C
Percent Rated Power
100
FCSL20-32
200
Reflow
150
Preheating
100
Over 217℃
60s ~ 150s
150 ~ 200℃
60 ~ 180 sec.
50
Peak 240 ~ 260℃ Max. 10s
250
FCSL64-150
200
Heating
150
100
130 ~ 180℃
60 ~ 90 sec.
50
Time (sec.)
Over 220℃
30s ~ 90s
Preheating
Time (sec.)
Dimensions
(in.±.008/mm ±0.20)
L
W
5
FCSL20
2
FCSL32
4
R010
1
Series
Power Rating
L
W
a
FCSL76
3
0.049/1.25
0.079/2.0
2.0W
0.122/3.1
0.248/6.3
3.0W
FCSL90
FCSL110
FCSL150
t
1.0W
1.5W
FCSL64
4.0W
5.0W
10W
0.063/1.6
0.15/3.8
0.177/4.5
0.197/5.0
0.295/7.5
*5mΩ and higher: 0.010"/0.25mm
FCSL110 has wraparound terminals
1mΩ
0.126/3.2
0.3/7.6
0.35/8.9
0.43/11.0
0.591/15.0
a
2mΩ and higher
t
0.011/0.28
0.024/0.60
0.020/0.50
0.020/0.50
0.016/0.40
0.014/0.35*
0.047/1.20
0.053/1.35
0.063/1.60
0.063/1.60
0.043/1.10
0.024/0.60
0.028/0.70
0.031/0.80
0.024/0.60
0.020/0.50
0.020/0.50
0.020/0.50
Land Pattern
1. Alumina substrate 4. Protective coating
(Epoxy resin)
2. Resistive element
(Ni-Cu-Mn alloy) 5. Marking
(Epoxy resin)
3. Electrode (Ni, Sn)
c
a
b
(mm)
FCSL20
FCSL32
FCSL64
FCSL76
FCSL90
FCSL110
FCSL150
Value range
2mΩ~50mΩ
1mΩ~4mΩ
5mΩ~50mΩ
1mΩ
2mΩ~100mΩ
1mΩ
2mΩ~100mΩ
1mΩ
2mΩ~100mΩ
1mΩ
2mΩ~100mΩ
1mΩ
2mΩ~100mΩ
a
0.50
0.50
0.60
0.9
2.2
1.1
2.6
1.3
3.1
1.5
3.6
2.0
5.0
b
2.80
3.20
3.20
4.2
4.2
4.6
4.6
5.1
5.1
5.6
5.6
8.4
8.4
c
2.30
3.68
3.68
6.6
6.6
7.8
7.8
9.2
9.2
11.2
11.2
15.2
15.2
Pa c k a g i n g S p e c i f i c at i o n s
Reel (in./mm)
H N A
E
W2
W1
FCSL20/32
A
7.087
H
0.512
E
0.079
N
0.236
W1 0.354
W2 0.449
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(9.0 ±0.3)
(11.4 ±1.0)
FCSL64
FCSL76/90
FCSL110
FCSL150
7.087
0.512
0.079
0.236
0.518
0.669
7.087
0.512
0.079
0.236
0.669
0.764
7.087
0.512
0.079
0.827
1.000
1.157
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)
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(13.0 ±0.3)
(17.0 ±1.4)
(180 +0/-3)
(13 ±0.2)
(2.0 ±0.5)
(60 +1/-0)
(17.0 ±0.3)
(19.4 ±1.0)
(180 ±2.0)
(13 ±0.2)
(2.0 ±0.5)
(21 ±0.8)
(25.4 ±1.0)
(29.4 ±1.0)
(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
ØD0
T
E
Paper
tape
T2
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)
0.039 (1.00 max.)
0.055 (1.40 max.)
B
0.081
0.144
0.315
0.069
0.138
0.157
0.157
0.079
0.059
P1
P2
P0
FCSL64
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) P0
(4.0 ±0.1) P1
(2.0 ±0.05)P2
D0
(1.5 +0.1/-0)
D1
(1.5 +0.2/-0)
(0.2 ±0.05)T
(1.5 max.)T2
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
FCSL90
(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)
0.191
0.368
0.630
0.295
0.069
0.157
0.315
0.079
0.059
0.059
0.012
0.047
FCSL110
(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)
0.213
0.453
0.945
0.453
0.069
0.157
0.315
0.079
0.059
0.059
0.012
0.047
FCSL150
(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)
0.327
0.614
0.945
0.069
0.453
0.157
0.472
0.079
0.059
0.059
0.012
0.091
OR D ERING IN F ORMATION
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
4 Watts
Ohms
1.0 Watt
1.5 Watts
2 Watts
3 Watts
0.0010
FCSL64R001JE
FCSL76R001JE
FCSL90R001JE FCSL110R001JE FCSL150R001JE
0.0020
10 Watt
FCSL64R002GE
FCSL76R002GE
FCSL90R002GE FCSL110R002GE FCSL150R002GE
FCSL32R003GE
0.0050 FCSL20R005FE
FCSL32R005FE
FCSL64R005FE
FCSL64R005DE
FCSL76R005FE
FCSL76R005DE
FCSL90R005FE FCSL110R005FE FCSL150R005FE
FCSL90R005DE FCSL110R005DE
0.0100 FCSL20R010FE
FCSL32R010FE
FCSL64R010FE
FCSL64R010DE
FCSL76R010FE
FCSL76R010DE
FCSL90R010FE FCSL110R010FE FCSL150R010FE
FCSL90R010DE FCSL110R010DE
0.0150 FCSL20R015FE
FCSL32R015FE
FCSL64R015FE
FCSL64R015DE
FCSL76R015FE
FCSL76R015DE
FCSL90R015FE FCSL110R015FE FCSL150R015FE
FCSL90R015DE FCSL110R015DE
0.0200 FCSL20R020FE
FCSL32R020FE
FCSL64R020FE
FCSL64R020DE
FCSL76R020FE
FCSL76R020DE
FCSL90R020FE FCSL110R020FE FCSL150R020FE
FCSL90R020DE FCSL110R020DE
0.0250 FCSL20R025FE
FCSL32R025FE
FCSL64R025FE
FCSL64R025DE
FCSL76R025FE
FCSL76R025DE
FCSL90R025FE FCSL110R025FE FCSL150R025FE
FCSL90R025DE FCSL110R025DE
0.0300 FCSL20R030FE
FCSL32R030FE
FCSL64R030FE
FCSL64R030DE
FCSL76R030FE
FCSL76R030DE
FCSL90R030FE FCSL110R030FE FCSL150R030FE
FCSL90R030DE FCSL110R030DE
0.0500 FCSL20R050FE
FCSL32R050FE
FCSL64R050FE
FCSL64R050DE
FCSL76R050FE
FCSL76R050DE
FCSL90R050FE FCSL110R050FE FCSL150R050FE
FCSL90R050DE FCSL110R050DE
FCSL64R100FE
FCSL76R100FE
FCSL90R100FE FCSL110R100FE FCSL150R100FE
rev 8/18-5
8
5 Watts
0.0030 FCSL20R003GE
0.1000
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
W
ØD1.
direction of unreeling
±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.)
(2.05
(3.65
(8.00
(1.75
(3.50
(4.00
(4.00
(2.00
(1.50
A
Resistor
T2
FCSL20 FCSL32
A
B
W
E
F
P0
P1
P2
D0
D1
T
T2
F
Embossed
plastic
tape
(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)
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