15FR250E Ohmite, 15FR250E Datasheet

RES CURRENT SENSE .250 OHM 5W

15FR250E

Manufacturer Part Number
15FR250E
Description
RES CURRENT SENSE .250 OHM 5W
Manufacturer
Ohmite
Series
10r
Type
Axial Wire Element Current Sense Resistorr
Datasheet

Specifications of 15FR250E

Resistance (ohms)
0.25
Power (watts)
5W
Composition
Metal Element
Features
Current Sense
Temperature Coefficient
±50ppm/°C
Tolerance
±1%
Size / Dimension
0.331" Dia x 0.937" L (8.40mm x 23.80mm)
Lead Style
Through Hole
Package / Case
Axial
Resistance In Ohms
0.25
Case
Axial
Resistance
0.25 Ohms
Power Rating
5 Watts
Product
Wire Wound Current Sensing Resistors
Operating Temperature Range
- 55 C to + 275 C
Dimensions
8.4 mm Dia. x 23.8 mm L
Termination Style
Axial
Resistance Tolerance
± 1%
Resistor Element Material
Wirewound
Trade Name, Capacitor
LO-MITE
Rohs Compliant
Yes
Body Material
Silicone
Filter Terminals
Axial Leaded
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Height
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
F E A T u r E S
• Ideal for current sensing applica-
• 1% Tolerance standard, others
• Fixed resistance measuring
• Low inductance (non-inductive
• RoHS compliant product avail-
700
600
500
400
300
200
100
F E A T u r E S
• Ideal for current sensing applica-
• 1% Tolerance standard, others
• Low Inductance (non-inductive
• Tinned Copper Leads
• RoHS Compliant
S p E C i F i C A T i O n S
Material
Terminals: Tinned Copper Leads
Encapsulation: Silicone Molding
Derating
Linearly from 100% at +25˚C to
Ohmite Mfg. Co.
Ohmic
0.005
0.010
0.015
0.020
0.025
0.030
0.040
0.050
0.060
0.070
0.075
0.080
0.090
0.100
0.150
0.200
0.250
value
tions
available
point “M”
below 0.25Ω)
able; add “E” suffix to part num-
ber to specify
tions
available
below 0.25Ω)
Compound
0% at +200˚C
0
0
S t a n d a r d p a r t n u m b e r S f o r 1 0 S e r i e S
12FR005 13FR005
12FR010 13FR010
12FR015 13FR015
12FR020 13FR020
12FR025 13FR025
12FR030 13FR030
12FR040 13FR040
12FR050 13FR050
12FR060 13FR060
12FR070 13FR070
12FR080 13FR080
12FR090 13FR090
12FR100 13FR100
10
2 watt
Coefficient of
Temperature
Milliohms
20
Resistance
2 Terminal
13FR150
13FR200
3 watt
1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
30
2 watt
3 watt
5 watt
15FR005
15FR010
15FR015
15FR020
15FR025
15FR030
15FR040
15FR050
15FR060
15FR070
15FR080
15FR090
15FR100
15FR150
15FR200
15FR250
40
5 watt
50
Electrical
Resistance Range: 0.005Ω to
Standard Tolerance: ±1%; oth-
Operating Temperature Range:
Temperature Coefficient of
Environmental Performance:
Power rating: Based on 25˚C free
Overload: 5 times rated wattage
Max. Current: 22 amps
Dialectric withstanding voltage:
Insulation resistance: Not less
Thermal EMF: Less than ±2µV/˚C
S p E C i F i C A T i O n S
Material
Terminals: Solder-plated copper
Encapsulation: Silicone molding
Derating
Linearly from 100% @ +25°C to
Electrical
Tolerance: ±1% standard.
Power rating: Based on 25°C
Overload: 5 times rated wattage
Dielectric withstanding voltage:
Insulation resistance:
Thermal EMF:
Temperature range:
13FPR005E
13FPR010E
13FPR015E
13FPR020E
13FPR025E
13FPR030E
13FPR040E
13FPR050E
13FPR060E
13FPR070E
13FPR075E
13FPR080E
13FPR090E
13FPR100E
0.100Ω standard
ers available
-55˚C to +200˚C
Resistance, 0˚C to 85˚C:
≥0.015Ω: ±50 PPM/˚C
<0.015Ω: ±100 PPM/˚C
Exceeds the requirements of
MIL-PRF-49465
air rating.
for 5 seconds
1500 VAC for 4.5 and 7 watt
1000 VAC for 3 watt
than 1000 MΩ
terminals or copper clad steel
depending on ohmic value.
RoHS solder composition is
96% Sn, 3.5% Ag, 0.5% Cu
compound.
0% @ +275°C.
Others available.
free air rating.
for 5 seconds.
1000 VRMS for 3 and 5 watt;
500 VRMS for 2 watt.
Not less than 1000MΩ.
Less than ±2µV/°C.
-55°C to 275°C.
3 watt
14FPR005E
14FPR010E
14FPR015E
14FPR020E
14FPR025E
14FPR030E
14FPR040E
14FPR050E
14FPR060E
14FPR070E
14FPR075E
14FPR080E
14FPR090E
14FPR100E
4 Terminal
4.5 watt
17FPR005E
17FPR010E
17FPR015E
17FPR020E
17FPR025E
17FPR030E
17FPR040E
17FPR050E
17FPR060E
17FPR070E
17FPR075E
17FPR080E
17FPR090E
17FPR100E
7 watt
Ohmite’s Four-terminal Current-sense Resistors are specifically
designed for low-resistance applications requiring the highest
accuracy and temperature stability. This four-terminal version
of Ohmite’s 10 Series resistor is specially designed for use in a
Kelvin configuration, in which a current is applied through two
opposite terminals and sensing voltage is measured across the
other two terminals .
ture coefficient of the terminals to be effectively eliminated. The
four terminal design also results in a lower temperature coef-
ficient of resistance and lower self-heating drift which may be
experienced on two-terminal resistors. The requirement to con-
nect to the terminals at precise test points is eliminated, allowing
for tighter tolerancing on the end application.
Series Wattage Ohms
13
14
17
Series Wattage Ohms
12
13
15
The Kelvin configuration enables the resistance and tempera-
1.562 ±0.062 /
39.7 ±1.6
A (min.)
4.5 0.005-0.1 1.060/26.9
3
7
2
3
5
Check product availability at
0.005-0.1 0.625/15.9
0.005-0.1 1.500/38.1
0.005-0.10 0.416 / 10.6 0.094 / 2.4 1.156 / 29.4
0.005-0.20 0.570 / 14.5 0.205 / 5.2 1.310 / 33.3
0.005-0.25 0.935 / 23.8 0.330 / 8.4 1.675 / 42.5
Wattage
o r d e r i n g i n f o r m a t i o n
10 Series
� � �
Length
L +.015 /
L max.
+0.4
Tolerance
F = 1%
D= 0.5%
Length
M
Dimensions (in. / mm)
Dimensions (in. / mm)
Terminals
Blank = 2 terminals
P
0.200/5.08
0.335/8.51
0.375/9.53
� � � � �
www.ohmite.com
Diam.
Ohm Value
Example:
R050= 0.05�
= 4 terminals
D +.015 /
Four Terminal Axial
Diam.
Axial Wire Element
10 Series
Two Terminal Axial
+0.4
D ±.010 /
0.032 ±.002
(20 AWG)
0.81 ± .05
±0.3
1.25/31.8 0.125/3.18
1.50/38.1 0.200/5.08
1.50/38.1 0.200/5.08
Current Sense
RoHS Compliant
A
“M”
B ±.010 /
d ±.002 /
± 0.03
±0.05
Lead ga.
B
20
20
18
17

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