Datasheet
IRC Wire and Film Technologies Division
General Note
A subsidiary of
TT electronics plc
OAR Series Issue February 2007
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 printing.
© IRC Wire and Film Technologies Division
Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com
• 736 Greenway Road Boone, North Carolina 28607-1860
Dimensions Inches and (mm)
Ordering Information
IRC Style
OAR
Power Rating in Watts
1 = 1W
3 = 3W
5 = 5W
Sample Part No.
Resistance Range
“R” indicates decimal
point location
Tolerance
F = ±1%, G = ±2%, J = ±5%
RoHS Indicator
LF indicates RoHS compliance
Blank indictes Sn/Pb terminal
tinning; available on special request
OAR 1 R100 F LF
TYPE A B
2
C
3
E F
OAR-1 0.450 +0.040/-0.20 0.200 ±0.100 0.125 ±0.030 0.065 +0.010/-0.005 0.040 ±0.002
(11.43 +1.020/-0.508) (5.08 ±0.2.54) (3.18 ±0.762) (1.65 +0.254/-0.127) (1.02 ±0.051)
OAR-3 0.600 +0.040/-0.20 0.600 TYPICAL - 1.00 MAX. 0.125 ±0.030 0.065 +0.010/-0.005 0.040 ±0.002
(15.24 +1.020/-0.508) (15.3) TYPICAL - (25.4) MAX. (3.18 ±0.762) (1.65 +0.254/-0.127) (1.02 ±0.051)
OAR-5 0.800 +0.040/-0.20 0.600 TYPICAL - 1.00 MAX. 0.125 ±0.030 0.065 +0.010/-0.005 0.040 ±0.002
(20.32 +1.020/-0.508) (15.3) TYPICAL - (25.4) MAX. (3.18 ±0.762) (1.65 +0.254/-0.127) (1.02 ±0.051)
Notes
2
Component height is a function of resistance value and alloy selection. For precise height dimensions contact factory.
3
Stand-off may be eliminated on lower ohmic ranges, per customer request.
B
C
A
On lower ranges
stand-off may
be eliminated
Test Point
(Kelvin connection)
F
E
Open Air Current Sense Resistors
OAR Series