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45

L +.015 /

+0.4

D +.015 /

+0.4

A (min.)

B ±.010 /

±0.03

0.032 ±.002

0.81±.05

(20 AWG)

Series Wattage

Ohms

13

3

0.005-0.1

14

4.5

0.005-0.1

17

7

0.005-0.1

Series

Wattage

Length

Diam.

A

B

13

3

0.625/15.9

0.200/5.08

1.25/31.8

0.125/3.18

14

4.5

1.060/26.9

0.335/8.51

1.50/38.1

0.200/5.08

17

7

1.500/38.1

0.375/9.53

1.50/38.1

0.200/5.08

Terminals Tinned Copper Leads

Encapsulation Silicone Molding Compound

Derating Linearly from 100% at +25˚C to 0% at

+200˚C

Resistance Range 0.005Ω to 0.100Ω standard

Standard Tolerance ±1%; others available

Operating Temp. Range -55˚C to +200˚C

Temperature Coefficient

of Resistance

(0˚C to 85˚C) ≥0.015Ω: ±50 PPM/˚C;

<0.015Ω: ±100 PPM/˚C

Environmental

Performance

Exceeds the requirements of MIL-

PRF-49465

Power rating Based on 25˚C free air rating.

Overload 5 times rated wattage for 5 seconds

Max. Current 22 amps

Dialectric withstanding

voltage

1500 VAC for 4.5 and 7 watt; 1000

VAC for 3 watt

Insulation resistance Not less than 1000 MΩ

Thermal EMF Less than ±2µV/˚C

Ohmite’sFour-terminalCurrent-senseResistorsare

specificallydesignedforlow-resistanceapplications

requiringthehighestaccuracyandtemperature

stability.Thisfour-terminalversionofOhmite’s10

Seriesresistorisspeciallydesignedforuseina

Kelvinconfiguration,inwhichacurrentisapplied

throughtwooppositeterminalsandsensingvoltage

ismeasuredacrosstheothertwoterminals.

TheKelvinconfigurationenablestheresistance

andtemperaturecoefficientoftheterminalstobe

effectivelyeliminated.Thefourterminaldesign

alsoresultsinalowertemperaturecoefficientof

resistanceandlowerself-heatingdriftwhichmaybe

experiencedontwo-terminalresistors.Therequire-

menttoconnecttotheterminalsatprecisetest

pointsiseliminated,allowingfortightertolerancing

ontheendapplication.

Chara C teri S ti CS

Serie S S pe C i F i C ation S

Dimen S ion S

10 Series

Axial Wire Element Current Sense

Four Terminal Axial

Fea ture S

•Ideal for current sensing applications

•1% Tolerance standard, others available

•Low Inductance (non-inductive below 0.25Ω)

•Tinned Copper Leads

•RoHS Compliant

or D erin G in F ormation

Ohm Value

Example:

R050= 0.05�

Tolerance

F = 1%

D= 0.5%

10 Series

Wattage

Terminals

Blank = 2 terminals

P

= 4 terminals

RoHS Compliant

Standard part numbers

Ohmic

value

3 watt

4.5 watt

7 watt

0.005 13FPR005E 14FPR005E 17FPR005E

0.010 13FPR010E 14FPR010E 17FPR010E

0.015 13FPR015E 14FPR015E 17FPR015E

0.020 13FPR020E 14FPR020E 17FPR020E

0.025 13FPR025E 14FPR025E 17FPR025E

0.030 13FPR030E 14FPR030E 17FPR030E

0.040 13FPR040E 14FPR040E 17FPR040E

0.050 13FPR050E 14FPR050E 17FPR050E

0.060 13FPR060E 14FPR060E 17FPR060E

0.070 13FPR070E 14FPR070E 17FPR070E

0.075 13FPR075E 14FPR075E 17FPR075E

0.080 13FPR080E 14FPR080E 17FPR080E

0.090 13FPR090E 14FPR090E 17FPR090E

0.100 13FPR100E 14FPR100E 17FPR100E