Spec Sheet R101-1/2 July 97

Resistor type A-N with its separated current and voltage

connections configured as a four-terminal resistor (i.e.,

Kelvin connection) is ideally suited for precise current

measurement, current limitation or regulation in power

units, current sources, and electronic loads. It is also

applied for current measurements in pulse width modulated

(PWM) control circuits for inductive users such as servo

and stepper motors and solenoid driver circuits.

Design in foil technique and application of precision

resistance alloy MANGANIN warrants for a long term

stability. By optimization of the shape, a high load capacity

was obtained while maintaining accuracy and small

inductance.

power derating curve

Temperature dependence of the electrical resistance

of ISA-PLAN Resistors

Remarks:

- Standard resistance values according to E12 with the additionel values of 2 and 5

- Minimum quantity of other values on request

- Tolerance 0.1% for values from 5 mOhm

RHOPOINT COMPONENTS LTD

dimensions ( mm )

Technical Data

Resistance Range

1 mOhm - 100 Ohm

Tolerances

0.1 %, 0.5 %, 1 %

Temperature coefficient ( TCR )

< 10 ppm/K ( 20 °C to 60 °C )

Applicable temperature range

-55 °C to +125 °C

Load capacity

1 W

Thermal resistance to ambiente

Rth < 30 K/W

Dielectric withstanding voltage

1000 V AC

Inductance ( R = 10 mOhm )

< 10 nH

Stability ( nominal load at 70 °C )

deviation < 0.05 % after 2,000 h

0

20

40

60

80

100

120

T

0.25

0.5

0.75

1

P / P

Nenn

-40

-20

20

40

60

80

100

120

-0.4

-0.2

0.2

∆R/R