FC4L Series0 pages
Metal Foil/
Kelvin
FC4L Four Terminal Current Sense
Metal Foil Construction
F e at u r e s
•tFoil Construction ensures a very stable TCR
(Temperature Coefficient of Resistance)
•tDesigned for automatic insertion
•tIndustry standard sizes
•tHigh heat resistant use
•tLow heat electromotive use
•tColor: white (top) and green (bottom)
Ohmite extends its FCSL Series with this 4-terminal Kelvin
type FC4L derivative in 2 watt and 5 watt package sizes.
Employing the same Ni-Cu-Mn resistive element this product 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
t
Powert
Seriest
Rating t
FC4L64t
2Wt
tt
tt
tt
FC4L110t 5Wt
tt
tt
Resistancett
Ranget
Tol.t
1mΩt
±5% t
2mΩt
±2% t
3mΩt
±1% t
4mΩ ~ 100mΩ t ±1% t
1mΩt
±5% t
2mΩt
±2% t
3mΩ ~ 50mΩ t ±1% t
TCRt
(ppm/°C)t
±100t
±100
±100
±50
±100t
±50
±50
Weight
(g)
0.0378
0.1096
c h a r a c t e r is t ics
Test Condition
Maximum ∆R
Max. temperature for rated power 70°C
Derating
100
Operating temperature range -55°C ~ +155°C
Rated voltage √(Rated power x Resistance value) V
In-rush current Rated current 10 msec ON, 60 sec OFF, 10
cycles.
Series
Power
Rating
FC4L64
2 watt
FC4L110 5 watt
Resistance
Range
In-rusht Max.
Powert Current
1mΩ~9mΩ
100Wt
10mΩ~100mΩ 50Wt
1mΩ~50mΩ
±(1.0% +0.0005Ω)
100Wt 100A
In-rush current = √(in-rush power/resistance
value), or max. current, whichever is smaller
Solderability 245°C ±5°C for 3 ±0.5 sec.
Endurance at 70°C 70°C ±3°C, Rated voltage 1.5h ON, 0.5h
OFF, 1000h
Resistance to soldering heat 260°C ±5°C for 10 ±1 sec.
80
60
40
20
0
-55
85A
35A
Rapid change of temperature -55°C (30min.)/+155°C (30min.), 100 cycles
Percent Rated Power
Current
Sense
FC4L Series
±(1.0% +0.0005Ω)
Min. 90% coverage
±(1.0% +0.0005Ω)
±(1.0% +0.0005Ω)
Moisture resistance 60°C ±2°C, 90~95% RH, Rated voltage 1.5h ±(2.0% +0.0005Ω)
ON, 0.5h OFF, 1000h
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
0
50 70 100
Ambient Temperature, °C
155
"