Low Resistance Stand-Up

Power Wirewound Resistor

PWRL Series

3,5,7,and10watts

0.01Ωto0.18Ωrange

Radial leads for PC mount

TC’sfrom50ppm/°Cto+500ppm/°C(rangedependant)

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

Fireproof high

temperature ceramic

case with stand-off

Inorganic

fireproof

encapsulant

All welded termination

PWRL Series

Ω to 0.18Ω range

Low Resistance Stand-Up

Power Wirewound Resistor

Dimensions (Inches and (mm))

Type

A

B

C

D

E

LD

PWRL-3

0.475 ±0.030

(12.0 ±0.8)

0.320 ±0.030

(8.1 ±0.8)

1.00 ±0.030

(25.4 ±0.8)

0.200 ±0.062

(5.08 ±1.6)

0.175 ±0.062

(4.44 ±1.6)

0.040 ±0.002

(1.02 ±0.05)

PWRL-5

0.500 ±0.030

(12.7 ±0.8)

0.350 ±0.030

(8.8 ±0.8)

1.00 ±0.030

(25.4 ±0.8)

0.200 ±0.062

(5.08 ±1.6)

0.175 ±0.062

(4.44 ±1.6)

0.040 ±0.002

(1.02 ±0.05)

PWRL-7

0.500 ±0.030

(12.7 ±0.8)

0.350 ±0.030

(8.8 ±0.8)

1.50 ±0.032

(38.1 ±0.81)

0.200 ±0.062

(5.08 ±1.6)

0.175 ±0.062

(4.44 ±1.6)

0.040 ±0.002

(1.02 ±0.05)

PWRL-10

0.630 ±0.032

(16.0 ±0.81)

0.510 ±0.032

(13.2 ±0.81)

1.39 ±0.032

(35.3 ±0.81)

0.290 ±0.062

(7.4 ±1.6)

0.250 ±0.062

(6.4 ±1.6)

0.040 ±0.002

(1.02 ±0.05)

Physical Data

Specifications

- Power Rating: 3, 5, 7, and 10 watts

- Resistance Range: 0.01

Ω to 0.18Ω

-Tolerance: ±1%, ±2%, ±3%, ±5%, and ±10%

- Flameproof inorganic construction

- EIA RS-344, insulated fixed wirewound resistors

A

C

E

B

LD

D

0.080

±0.032

0.170

±0.062

Meniscus

permitted to

bottom of feet

PWRL Series Issue November 2008 Sheet 1 of 2

Low Resistance Stand-up

Power Wirewound Resistor

PWRL Series

(range dependent)

General Note

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

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

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

110

PWRL

Power rating

watts

3, 5, 7 and 10

Resistance range

ohms

0R01 to 0R18

Tolerance

%

±1, ±2, ±3, ±5 and ±10

Electrical Data

Issue B · 03.02

A subsidiary of

TT electronics plc

Welwyn Components

Dimensions (mm)

Type

A

B

C

D

E

LD

PWRL-3

12.0±0.8

8.1±0.8

25.4±0.8

5.08±1.6

4.44±1.6

1.02±0.05

PWRL-5

12.7±0.8

8.8±0.8

25.4±0.8

5.08±1.6

4.44±1.6

1.02±0.05

PWRL-7

12.7±0.8

8.8±0.8

38.1±0.81

5.08±1.6

4.44±1.6

1.02±0.05

PWRL-10

16.0±0.81

13.2±0.81

35.3±0.81

7.4±1.6

6.4±1.6

1.02±0.05

Physical Data

A

LD

D

B

C

E

2.032

±0.813

4.318

±1.575

Power Derating Curve

Hot Spot Temperature Rise at 25°C

PWRL series NEW

2/6/03

4:04 pm

Page 1

Fireproof high

temperature cerami c

case with stand-of f

Inorganic

fireproof

encapsulant

All welded te rmination

Resistors

Make Possible

All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)

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