Four-Terminal Current-Sensing

Wirewound Resistor

4LPW Series

TC = ±40ppm/°C

3 watts to 15 watts

0.005 ohm to 1.0 ohm

±1%, ±2, ±3, ±5, ±10% tolerance

Flameproof construction

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

Four-Terminal Current-Sensing

Wirewound Resistor

Electrical Data

4LPW Series

IRC

Type

Power @ 25°C

(watts)

Max. Current

(amps)

Resistance Range

(ohms)

4LPW-3

3

10

.005 TO 1.0

4LPW-5

4LPW-7

5

7

10

20

.005 TO 1.0

.01 TO 1.0

4LPW-10

4LPW-15

10

15

20

20

.01 TO 1.0

.01 TO 1.0

Please note: When ordering the alternate configuration please add an "A" after the part number. (4LPW-3A)

Standard Configuration

Alternate Configuration

Dimensions (Inches (mm))

IRC

Type

L

±.063 (1.6)

W

±.03 (.8)

H

±.03 (.8)

S

±.062 (1.6)

D

Diameter

E

±.03 (.8)

4LPW-3

.88 (22.4)

.31 (7.87)

.31 (7.87)

.563 (14.3)

.036* (.9)

.38 (9.65)

4LPW-5

.88 (22.4)

.38 (9.65)

.35 (8.89)

.563 (14.3)

.036* (.9)

.41 (10.4)

4LPW-7

1.39 (35.3)

.38 (9.65)

.35 (8.89)

1.013 (25.7)

.036* (.9)

.47 (11.9)

4LPW-10

1.88 (47.8)

.38 (9.65)

.35 (8.89)

1.388 (35.3)

.036* (.9)

.47 (11.9)

4LPW-15

1.88 (47.8)

.50 (12.7)

.50 (12.7)

1.388 (35.3)

.036* (.9)

.63 (16.0)

Type

4LPW

L

D

1.50 ± .062

(38.1 ± 1.6)

S

D

1.0 (25.4)

Min.

1/8

” Max.

W

H

E

Type

4LPW-A

�Current� Leads

�Sense� Leads

All welded terminations,

ceramic fireproof housing

4LPW Series Issue October 2008 Sheet 1 of 2

“Current”

Leads

“Sense” Leads

All welded terminations,

ceramic fireproof housing

Make Possible

Resistors

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

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

06.15

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