Ultra-Low Ohmic Chip Resistors for Current Detection: PMR Series | New product new technology

Overview | Features | Applications | Lineup

Overview

A special alloy is utilized for the resistive element, enabling ultra-low resistance (1mΩ to 10mΩ) and low TCR in a compact form factor.
In addition, proprietary construction ensures a higher rated voltage than conventional chip resistors.
Contributes to greater compactness and performance in module devices for current control.

(Unit : mm)

Part No	size mm(inch)	L	W	t
PMR03	1608 (0603)	1.6	0.8	0.25
PMR10	2012 (0805)	2.0	1.2	0.4 to 0.28*
PMR18	3216 (1206)	3.2	1.6	0.44 to 0.28*
PMR25	3225 (1210)	3.2	2.5	0.52 to 0.32*
PMR50	5025 (2010)	5.0	2.5	0.52 to 0.32*
PMR100	6432 (2512)	6.4	3.2	0.52 to 0.32*

*Varies depending on the resistance value

Features

The world's first 0.25W (10mΩ) resistor in the 1608 (0603 inch) (PMR03)
Ultra-low resistance (1mΩ and up)
Original trimless design significantly improves current detection, making them ideal for large current fast switching circuits.
Resistive element composed of a special alloy, resulting in a superior resistance-temperature coefficient
The unique chip structure minimizes thermal stress during temperature cycling, resulting in greater reliability.

1608mm (0603inch) size ideal for compact devices of all types

Applications

Ideal for a variety of applications, including current control circuits, overcurrent protection circuits, and battery charge detection

Notebook PCs
HDDs
Mobile phones
DC/DC converters
Automotive And more

Application Circuit Example CPU/IC drive current control

Application Circuit Example Car AC/Fan Motor Control Units

Lineup

Part No.	Size mm (inch)	Rated Power	Resistance Tolerance	Resistance Range (mΩ)	Resistance Tempreature Coefficient (ppm/ºC)	Operating Temperature Range (ºC)
PMR03EZPJ	1608 (0603)	1/4W	J (±5%)	10	0 to +150	-55 to +155
PMR03EZPF	1608 (0603)	1/4W	F (±1%)	10	0 to +150
PMR10EZPJ	2012 (0805)	1/2W	J (±5%)	2,3,4,5,6,7,8,9,10	±150
PMR10EZPG			G (±2%)
PMR10EZPF			F (±1%)
PMR18EZPJ	3216 (1206)	1W	J(±5%)	1,2,3,4,5,6,7,8,9,10	±100
PMR18EZPF	3216 (1206)	1W	F(±1%)	1,2,3,4,5,6,7,8,9,10	±100
PMR25HZPJ	3225 (1210)	1W	J (±5%)	1,2,3,4,5	±100
PMR25HZPF	3225 (1210)	1W	F (±1%)	1,2,3,4,5	±100
PMR50HZPJ	5025 (2010)	1W	J (±5%)	1,2,3,4,5,6,7,8,9,10	±100
PMR50HZPF	5025 (2010)	1W	F (±1%)	1,2,3,4,5,6,7,8,9,10	±100
PMR100HZPJ	6432 (2512)	2W	J (±5%)	1,2,3,4,5,6,7,8,9,10	±150 (1-2mΩ) ±100 (3-10mΩ)
PMR100HZPF	6432 (2512)	2W	F (±1%)	1,2,3,4,5,6,7,8,9,10	±150 (1-2mΩ) ±100 (3-10mΩ)