General Purpose Axial Leaded

Power Wirewound Resistor

PW Axial Series

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

http://www.ttelectronics.com/resistors

BI Technologies IRC Welwyn

General Purpose Axial Leaded

Power Wirewound Resistor

PW Axial Series

• 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

General Purpose Axial Leaded

Power Wirewound Resistor

Power Derating Curve

100

80

60

40

0

50

100

150

200

250

Ambient Temperature

20

0

85

PW - 3, 5, 7, 10

25 40

PW - 2

PW - 15, 18, 22, 25

Temperature Rise Chart

300

250

200

0

0

20

40

60

80

100

120

150

100

50

PW - 15, 18

PW - 10

PW - 7

PW - 5

PW - 3

Percent of Rated Load

PW - 22, 25

Sample Part No.

IRC Type

Resistance Value

(standard EIA values)

Tolerance

J = 5%, K = 10%

RoHS Indicator

LF indicated RoHS compliance

Ordering Data

PW15

1202

K

LF

PW Series Issue December 2008 Sheet 3 of 3

Ordering Procedure

This product has two valid part numbers:

European (Welwyn) Part Number: PW15-12KKI (PW15, 12 kilohms ±10%, Pb-free)

P W 1

5

-

1

2

K K

I

1

2

3

4

5

USA (IRC) Part Number: PW151202KLF (PW15, 12 kilohms ±10%, Pb-free)

P W 1

5

1

2

0

2

K L F

1

2

3

4

5

1

2

3

4

5

Type

Configuration

Value

Tolerance Packing & Termination Finish

PW2, PW3,

PW5, PW7,

PW10, PW15,

PW18, PW22,

PW25

Omit for Standard R = ohms

K = kilohms

J = ±5%

I = Standard packing & Pb-free

A = Alternate

K = ±10%

Bulk pack

1

2

3

4

5

Type

Configuration

Value

Tolerance Packing & Termination Finish

PW2, PW3,

PW5, PW7,

PW10, PW15,

PW18, PW22,

PW25

Omit for Standard 3 digits + multiplier

J = ±5%

Omit for SnPb

A = Alternate

R = ohms for values

<100 ohms

K = ±10%

LF = Pb-free

Bulk pack

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

OBSOLETE PW-2