General Note

IRC reserves the right to make changes in product specification without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

June 2009 Issue Page 1 of 4

OARS

Open Air Sense Resistors

Metal Alloy Strip

A Subsidiary of

TT electronics plc

Ω to 50mΩ

Ω 5% only)

Electrical Data

IRC Type

Power Rating

(watts)

Available Resistance

(ohms)

OARS-1

3W @ 70°C

.002, .003, .004, .005, .010, .015

.020, .022, .025, .030, .040, .050

*Contact factory for unlisted resistance values between 0.002 & 0.050 ohms.

Physical Data

Dimensions (Inches and (mm))

IRC

Type

LH

T

D

W

OARS-1

0.440 ±0.015

(11.18 ±0.381)

0.120 ±0.030

(3.05 ±0.762)

0.093 ±0.010

(2.36 ±0.254)

0.190 ±0.030

(4.83 ±0.762)

0.125 ±0.015

(3.175 ±0.381)

OARS-1

0.002

Ω

0.455 ±.015

(11.56 ±.381 )

0.150 ±0.030

(3.51 ±0.762)

0.093 ±0.010

(2.36 ±0.254)

0.185 ±0.030

(4.70 ±0.762)

0.140 ±0.015

(3.56 ±0.381)

OARS-1

0.003

Ω

0.440 ±.015

(11.18 ±.381 )

0.138 ±0.030

(3.51 ±0.762)

0.093 ±0.010

(2.36 ±0.254)

0.190 ±0.030

(4.83 ±0.762)

0.125 ±0.015

(3.175 ±0.381)

Features:

• Superior thermal expansion cycling

• Flameproof

• Inductance less than 10 nanohenries

• Lead flexible for thermal expansion

Applications:

• Current sensing

• Feedback

• Low inductance

• Surge and pulse

• AC applications (please contact the factory)

L

H

W

0.126

0.369

0.121

0.121

0.127

D

T

Recommended Landing Pad Size