FC4L Series
FC4L Four Terminal Current Sense
Metal Foil Construction
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)
Ohmite offers the low TCR FC4L series in 0.25 watts up to
5 watts and values down to 1 milli-ohm. Great stability is
achieved by employing a Ni-Cu-Mn resistive element. The
FC4L series affords the user an added advantage of a built in
4-terminal design with 2 larger electrodes for current management and 2 smaller electrodes for current measurement.
S ER I E S S P E C I F I C AT I O N S
Power
Resistance
TCR Weight
Series
Rating
Range
Tol. (ppm/°C) (g)
FC4L16 0.25W 5m, 10m, 20m, ±1% ±50 0.004
50mΩ ~ 100mΩ
FC4L32 1W
1mΩ
±5% ±100 0.015
2mΩ
±2% ±100
3mΩ
±1% ±100
4mΩ ~ 500mΩ ±1% ±50
FC4L64 2W
1mΩ
±5% ±100 0.038
2mΩ
±2% ±100
3mΩ
±1% ±100
4m ~ 100mΩ ±1%
±50
10m ~ 50mΩ ±0.5% ±50
Power Resistance
TCR Weight
Series
Rating Range
Tol. (ppm/°C) (g)
FC4L76 3W
1m-4mΩ
±1% ±100 0.062
5m-25mΩ ±0.5%, 1% ±50
FC4L90 4W
1m-4mΩ
±1% ±100 0.082
5m-25mΩ ±0.5%, 1% ±50
FC4L110 5W
1mΩ
±5% ±100 0.110
2mΩ
±2%
±50
3mΩ ~ 100mΩ ±1%
±50
10m ~ 50mΩ ±0.5% ±50
c h a r a c t e r is t ics
Test Condition
Maximum ∆R
Max. temperature for rated power 70°C
Operating temperature range -55°C ~ +155°C (FC4L16: -40°C ~ +125°C)
Rated voltage √(Rated power x Resistance value) V
Overload (FC4L16 only) Rated power x 1.5 for 5s
In-rush current Rated current 10 msec ON, 60 sec OFF, 10 cycles.
(see table next page)
Rapid change of temperature -55°C (30min.)/+155°C (30min.), 100 cycles
(FC4L16: 1000 cycles)
Solderability 245°C ±5°C for 3 ±0.5 sec.
Endurance 70°C ±3°C, Rated voltage 1.5h ON, 0.5h OFF, 1000h
(FC4L76 & 90: 100°C)
Resistance to soldering heat 260°C ±5°C for 10 ±1 sec.
(FC4L76 & 90: 20 ±1)
±(0.5%+0.0005Ω)
±(1.0% +0.0005Ω)
±(1.0% +0.0005Ω)
(FC4L16: ±(2.0%+0.0005Ω))
Min. 90% coverage
(FC4L76 & 90: 95%)
±(1.0% +0.0005Ω)
(FC4L76 & 90: ±(3.0%+0.5mΩ))
±(1.0% +0.0005Ω)
(FC4L16: ±0.5%)
(FC4L76 & 90: No evidence of
mechanical damage)
Moisture resistance 60°C ±2°C, 90~95% RH, Rated voltage 1.5h ON, 0.5h OFF, 1,000h ±(2.0% +0.0005Ω)
(76 & 90: 85 ±2°C, 85±5%RH, 10% Rated power, 1,000h)
(FC4L16: ±1.0%)
(FC4L76 & 90: ±(3% +0.0005Ω))
8
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
FC4L Series
FC4L Four Terminal Current Sense
Metal Foil Construction
c h a r a c t e r is t ics
In-rush current
Resistance
Range
In-rush Max.
Power Current
FC4L16 0.25 watt 5m, 10mΩ
2.5W
5A
FC4L64 2 watt 1mΩ~9mΩ 100W
10mΩ~100mΩ 50W
85A
35A
FC4L32 1 watt 1mΩ~9mΩ
25W 45A
10mΩ~500mΩ 12.5W 24A
FC4L76 3 watt 1mΩ~9mΩ 110W
10mΩ~***mΩ 55W
FC4L90 4 watt 1mΩ~9mΩ 120W
10mΩ~***mΩ 60W
FC4L110 5 watt 1mΩ~50mΩ
90A
40A
For lead free soldering (Sn-Ag-Cu
solder)
Preheating: 130° ~ 180° 60s ~ 90s
Heating: Over 220° 30s ~ 90s
Peak:
240° ~ 260° Max. 10s
Max. number of reflow: 2
80
Others
60
40
20
0
-55
95A
45A
FC4L16
300
0
50 70 100 125 155
Ambient Temperature, °C
Temperature °C
Power
Rating
Recommended Reflow
Temperature Profile
100
Percent Rated Power
Series
Derating
100W 100A
In-rush current = √(in-rush power/resistance
value), or max. current, whichever is smaller
Peak 240 ~ 260℃ Max. 10s
250
200
Heating
150
Preheating
100
Over 220℃
30s ~ 90s
130 ~ 180℃
60 ~ 90 sec.
50
Time (sec.)
DIMENSIONS
4
t
Land Pattern
1. Alumina substrate
2. Resistive element
(Ni-Cu-Mn alloy)*
d 3. Electrode (Ni, Sn)*
4. Protective coating
(Epoxy resin)
5. Marking (Epoxy
c resin): wider mark
b indicates “V” term.
3
5
Rating
a
2
“V” term.
L
R010
1
“I” term.
W
c
d
e
a
b
*Dependent on size and value
L
W
(in.±.008/mm ±0.20)
a
(in./mm)
b
mm ±0.15
c
mm ±0.1
FC4L16
0.25 watt
0.063 / 1.60
0.031 / 0.8
0.010 / 0.26
0.30 ±.2
0.3 ±.2
FC4L64
2 watt
0.251 / 6.40
0.126 / 3.2
0.020 / 0.5
0.7
0.5
FC4L90
4 watt
0.35 / 9.00
±0.3mm
0.18 / 4.5
±0.3mm
FC4L32
1 watt
FC4L76
3 watt
FC4L110
5 watt
0.126 / 3.20
0.30 / 7.60
±0.3mm
0.433 / 11.0
0.063 / 1.6
0.014 / 0.35
0.35
0.2
d
mm ±0.15
2.6
0.5 +.2/-.05
7.25
±0.3mm
0.60 ±.20
0.75
±0.2mm
0.60
±0.2mm
6.15
±0.3mm
0.197 / 5.0
0.028 / 0.7
1.4
1.1
8.5
0.75
±0.2mm
0.5 +.2/-.05
5.2
0.02 / 0.55
±0.2mm
0.90
±0.2mm
(mm)
1.0 ±.2 0.5 +.2/-.05
0.15 / 3.8
±0.3mm
0.03 / 0.65
±0.2mm
t
mm
a
b
FC4L16
0.25
1.2
0.40 0.30
1.2
FC4L64
2.0
4.4
0.7
5.4
FC4L32
0.60 ±.20
FC4L76
FC4L90
0.5 +.2/-.05
0.4
2.7
c
0.35
d
0.3
0.5
e
2.7
2.4
4.80 0.95 0.45 6.60
2.8
5.60 1.10 0.55 7.80
FC4L110 3.2
5.6
1.6
1.1
8.7
P a c k a g in g S p e cific a t ions
Reel
A
H N A
H
E
N
FC4L16
0.512 (13 ±0.2)
0.079 (2.0 ±0.5)
2.362 (60 +1/-0)
W1 0.354 (9.0 ±0.3)
E
W2
W1
FC4L32 & 64
FC4L76 & 90
FC4L110
7.087 (180 +0/-3) 7.087 (180 +0/-3) 7.087 (180 +1.0/-3.0) 7.087 (180 ±2.0)
0.512 (13 ±0.2)
0.079 (2.0 ±0.5)
2.362 (60 +1/-0)
0.512 (13 ±0.2)
0.079 (2.0 ±0.5)
2.362 (60 +1/-0)
0.512 (13.0 ±0.3) 0.827 (21 ±0.8)
W2 0.512 (13.0 ±0.3) 0.669 (17.0 ±1.4) 0.669 (17.0 ±.3)
0.512 (13 ±0.2)
0.079 (2.0 ±0.5)
0.827 (21 ±0.8)
1.000 (25.4 ±1.0)
1.157 (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
9
FC4L Series
T
FC4L Four Terminal Current Sense E
Metal Foil Construction
F
P0
D0
Direction
of feed
P2
B
W
P a c k a g in g S p e cific a t ions
T2
(continued)
D1
Tape
inches (mm)
T
E
A
P1
P0
D0
P2
Direction
of feed
F
B
T2
D1
W
A
P1
FC4L16
FC4L32
FC4L64
FC4L76
FC4L90
FC4L110
A
0.037 (0.95±0.05)
0.075 (1.90 ±0.1)
0.135 (3.43 ±0.2)
0.163 (4.15 ±0.20)
0.191 (4.85 ±0.20)
0.213 (5.40 ±0.10)
B
W
F
E
P0
P1
P2
D0
D1
T
T2
0.073 (1.85±0.05)
0.315 (8.00±0.10)
0.138 (3.50±0.05)
0.069 (1.75±0.10)
0.157 (4.00±0.10)
0.157 (4.00±0.10)
0.079 (2.00±0.05)
0.138 (3.50 ±0.1)
0.315 (8.00 ±0.2)
0.138 (3.50 ±0.05)
0.069 (1.75 ±0.1)
0.157 (4.0 ±0.1)
0.157 (4.0 ±0.1)
0.079 (2.0 ±0.05)
0.261 (6.63 ±0.2)
0.472 (12.0 ±0.3)
0.069 (1.75 ±0.1)
0.217 (5.5 ±0.05)
0.157 (4.0 ±0.1)
0.157 (4.0 ±0.1)
0.079 (2.0 ±0.05)
0.313 (7.95 ±0.20)
0.368 (9.35 ±0.20)
0.453 (11.50 ±0.10)
0.630 (16.00 ±0.30) 0.630 (16.00 ±0.30) 0.945 (24.00 ±0.30)
0.295 (7.50 ±0.10)
0.069 (1.75 ±0.10)
0.157 (4.00 ±0.10)
0.315 (8.00 ±0.10)
0.079 (2.00 ±0.10)
0.295 (7.50 ±0.10)
0.069 (1.75 ±0.10)
0.157 (4.00 ±0.10)
0.315 (8.00 ±0.10)
0.079 (2.00 ±0.10)
0.069 (1.75 ±0.10)
0.453 (11.50 ±0.10)
0.157 (4.00 ±0.10)
0.315 (8.00 ±0.10)
0.079 (2.00 ±0.10)
0.059 (1.50+0.10/-0) 0.059 (1.50 +0.1/-0) 0.059 (1.5 +0.1/-0)
0.059 (1.50 ±0.10)
0.059 (1.50 ±0.10)
0.059 (1.50 ±0.10)
0.008 (0.20±0.05)
0.012 (0.30 ±0.10)
0.012 (0.30 ±0.10)
0.012 (0.30 ±0.05)
0.024 (0.60±0.05)
0.022 (0.55±0.05)
0.039 (1.00 +0.2/-0) 0.059 (1.5 +0.2/-0)
0.008 (0.20 ±0.05)
0.039 (1.00 ±0.2)
0.008 (0.20 ±0.05)
0.059 (1.5) max.
0.063 (1.60) max.
0.063 (1.60) max.
0.059 (1.50 ±0.10)
0.047 (1.2 ±0.15)
O R D ER I N G I N F O R M AT I O N
Ohms
R005=0.005Ω
R050=0.050Ω
RoHS Compliant
FC4L110R005FER
Series
TCR* (ppm)
W = 25
V = 50
L = per chart
above
Package Size
110=11050=5W
64=6432=2W
32=3216=1W
16=1608=0.25W
Tolerance Taping Code
1,000 pc/reel
J = 5%
FC4L16: 5,000 pc/reel
G = 2%
F = 1%
D = 0.5%
*FC4L32 and FC4L64 values over 0.100Ω only
Standard Part Numbers for FC4L series
0.25 watt
1 watt
2 watt
3 watt
4 watt
FC4L76R001GER FC4L90R001GER
FC4L32R001JER FC4L64R001JER
FC4L76R002FER FC4L90R002FER
FC4L32R002GER FC4L64R002GER
FC4L32R003FER FC4L64R003FER FC4L76R003FER FC4L90R003FER
FC4L16R005FER FC4L32R005FER FC4L64R005FER FC4L76R005FER FC4L90R005FER
FC4L64R010DER
FC4L16R010FER FC4L32R010FER FC4L64R010FER FC4L76R010FER FC4L90R010FER
FC4L64R015DER
FC4L16R015FER FC4L32R015FER FC4L64R015FER FC4L76R015FER FC4L90R015FER
FC4L64R020DER
FC4L16R020FER FC4L32R020FER FC4L64R020FER FC4L76R020FER FC4L90R020FER
FC4L64R025DER
FC4L16R025FER FC4L32R025FER FC4L64R025FER FC4L76R025FER FC4L90R025FER
FC4L64R030DER
FC4L16R030FER FC4L32R030FER FC4L64R030FER
FC4L64R050DER
FC4L16R050FER FC4L32R050FER FC4L64R050FER
FC4L16R100FER FC4L32R100FER FC4L64R100FER
rev 8/19-1
10
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
5 watt
FC4L110R001JER
FC4L110R002GER
FC4L110R003FER
FC4L110R005FER
FC4L110R010DER
FC4L110R010FER
FC4L110R015DER
FC4L110R015FER
FC4L110R020DER
FC4L110R020FER
FC4L110R025DER
FC4L110R025FER
FC4L110R030DER
FC4L110R030FER
FC4L110R050DER
FC4L110R050FER
FC4L110R100FER
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