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.

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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

AS Series

Alloy resistance wirewound

to specific parameters

including TCR’s from

All welded

cap and lead

Heat conducting

ceramic

Silicone

conformal coating

Alpha-

Digital

Marking

Semi-Precision Power

Wirewound Resistor

Electrical Data

IRC Type

Similar

MIL-R-26

Style

Power Rating 275°C

Max. Hot Spot

Commercial Range

(ohms)

Non-Inductive

Range

(ohms)

Available Resistance

(ohms)

125°C

25°C

Min.

Max.

Min.

Max.

0.5%, 1%

3%, 5%

AS-1/4

RW81

0.5

1

0.1

1.0K

*

*

1-1K

0.1-1K

AS-1/2

0.5

1

0.1

6.0K

*

*

1-6K

0.1-6K

AS-1

RW70U

1

2

0.1

7.5K

0.1

3.8K

1-7.5K

0.1-7.5K

AS-1C

1

2

.05

2K

*

*

1-2K

.05-2K

AS-2

RW79U

2

3

0.1

20K

0.5

10K

1-20K

0.1-20K

AS-2B

3

4

0.1

24K

0.5

12K

1-24K

0.1-24K

AS-2C

2

3

0.1

18K

0.2

7.5K

1-18K

0.1-18K

AS-3

3

5

0.1

30K

0.5

15K

1-30K

0.1-30K

AS-5

RW74U/

5

7

0.1

60K

0.8

30K

1-60K

0.1-60K

AS-7

7

9

0.1

90K

1.0

45K

1-90K

0.1-90K

AS-10

RW78U

10

14

0.1

175K

3.0

50K

1-175K

0.1-175K

Inductance of AS-1/2 is less than 1µH at 1MHz.

To order non-inductive types, add the prefix "N". Example: NAS-1, NAS-2C, etc.

*Typical inductance of AS-1C <5 ohms is <1µH.

Lower values available upon request.

AS Series Issue August 2008 Sheet 1 of 3