# 4LPW Series - Four-Terminal Current-Sensing Wirewound Resistor

## Electrical Data

️· Power Range: 3W to 15W
️· Resistance Range:
- 4LPW-3: 0.005 ohm to 1.0 ohm
- 4LPW-5 & 4LPW-7: 0.005 ohm to 1.0 ohm
- 4LPW-10 & 4LPW-15: 0.01 ohm to 1.0 ohm
️· Maximum Current: 10 amps to 20 amps (dependent on power rating)
️· Tolerance: ±1% (F), ±2% (G), ±3% (H), ±5% (J), ±10% (K)
️· Alternate Configuration: Add "A" to part number (e.g., 4LPW-3A)

## 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)

## Ordering Data

️· IRC Type: 4LPW
️· Power: Specified by number (e.g., 3 for 3W)
️· Resistance Range: Expressed in ohms (standard EIA/MIL values)
️· Tolerance: F, G, H, J, or K

## Temperature and Power Derating

️· Max. Recommended Ambient Operating Temperature: 150°C
️· Temperature Rise and Power Derating Charts included.

## General Notes

️· IRC reserves right to change specifications without notice.
️· Data considered accurate at time of print.