Open Air Resistor

Metal Element Current Sense

OAR & OAR-TP Series

Powerratingsof1,3,&5W@85°C

Superiorsurgeperformance

HotspotisolatedfromPCBmaterial

ResistancewireTCR±20ppm/°C

Tolerancesto1%

Pb-freeversionisRoHScompliant

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.

A subsidiary of

TT electronics plc

• 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

true 1% performance

Electrical Data

Part

Number

Power Rating

@ 85°C

(watts)

Resistance

Range (mΩ)

Tolerance

(±%)

Wire TCR

(±ppm/°C)

Inductance

(nH)

OAR-1 (TP)

1.0

3, 5, 10, *20, *25, 50

1, 2¹, 5

20

<10

OAR-3 (TP)

3.0

2.5, 5, 10, 15, 20, 25, *30, 50, 100

OAR-5 (TP)

5.0

3, 5, 10, *15, *20, *25, *50

Notes:

¹ ±2% tolerance available <5mΩ

* denotes resistance values that may have longer lead times than other values listed

* Please contact factory for resistance values not listed

Load Life (1000 hours @ 25°C)

∆R/R <1%

Moisture (no load for 1000 hours)

∆R/R <1%

Temperature Cycling (-40°C to +125°C for 1000 cycles)

∆R/R <1%

C

°

5

2

1

+

o

t

C

°

0

4

-

e

r

u

t

a

r

e

p

m

e

T

g

n

i

t

a

r

e

p

O

Environmental Data

OAR

Open Air Resistor

Metal Element Current Sense

OAR Series Issue June 2011 Sheet 1 of 3

Resistors

Make Possible

07.14

General Note

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

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

© TT Electronics plc

www.ttelectronicsresistors.com

AllPb-freepartscomplywithEUDirective2011/65/EU(RoHS2)