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Current Sense Resistors/Shunts

Current sense resistors are recognized as cost-effective components that help improve system efficiency and reduce losses due to their high measurement accuracy compared to other technologies.

While they are ideal for applications in virtually all market segments, current sense resistors are particularly useful in helping developers precisely measure current in their consumer and industrial designs.

Bourns offers current sense chip resistors with thick film, metal foil and metal strip resistive elements and electro-beam welded metal strip shunts.

Characteristics
Size	0603 to 2512 Thick Film Chip 0805 to 1206 Metal Foil Chip 0805 to 2512 Metal Strip Chip 2512 to 5931 EB Welded Shunts 6918 to 8536 Metric EB Welded Shunts
Rated power at 70 °C	0.1 to 50 W
Resistance Range	25 µΩ to 9.1 Ω
Resistance Tolerance	±0.5 %, ±1 %, ±5 %
Temperature Coefficient	±50 to ±200 ppm/°C
Operating Temperature Range	–55 to +155/+170 °C

Available Features

RoHS compliant*
Suitable for most types of soldering processes
EB welded shunts
AEC-Q200 compliant
Very high power
Very low resistance
Excellent long term stability
Low inductance value
Low thermal EMF
Low TCR
Four terminal designs available
Bare copper and tin-plated terminals
Sulfur resistant

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Applications

Consumer
Industrial
Telecommunication

Documents

Specifications

Product Series

Parametric Table

RoHS Files

Collateral

Videos

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Series	Data Sheet	Resistance Range	Tolerances	Temperature Coefficient	Power (Watts)	Profile/Package Style	Material	MDS	Design Files	Buy Now
CFG	CFG0612	0.005; 0.01 Ω	1 %	±100 ppm	1 W	Wide Terminal Chip	Metal Foil	CFG0612	Downloads	Buy
CFN	CFN0402	0.01; 0.02 Ω	1 % / 5 %	±100 ppm	0.25 W	Chip	Metal Foil	CFN0402	Downloads	Buy
	CFN0603	0.005; 0.01; 0.02 Ω		±50 ppm / ±100 ppm	0.5 W			CFN0603	Downloads	Buy
	CFN0805	0.005; 0.01; 0.02; 0.03 Ω			0.5 W			CFN0805	Downloads	Buy
	CFN1206	0.005; 0.01; 0.02; 0.04 Ω			1 W			CFN1206	Downloads	Buy
CFN-A	CFN0402A	0.01; 0.02 Ω		±100 ppm	0.2 W			CFN0402	Downloads	Buy
	CFN0603A	0.005 to 0.02 Ω		±50 ppm / ±100 ppm	0.5 W			CFN0603	Downloads	Buy
	CFN0805A	0.005 to 0.03 Ω			0.75 W			CFN0805	Downloads	Buy
	CFN1206A	0.005 to 0.04 Ω			1 W			CFN1206	Downloads	Buy
CRK	CRK0612	0.001; 0.005; 0.01 Ω	1 % / 5 %	±50 ppm	1 W	Wide Terminal Chip	Metal Strip	CRK0612	Downloads	Buy
CRK	CRK0815	0.004; 0.005; 0.01 Ω	1 % / 5 %	±50 ppm	1 W	Wide Terminal Chip	Metal Strip	CRK0815	Downloads	Buy
CRL	CRL0603	0.10 to 9.1 Ω	1 % / 5 %	±200 ppm	0.1 W	Chip	Thick Film	CRL0603 (0.1~0.91Ω)	Downloads	Buy
	CRL0805	0.05 to 9.1 Ω		±200 ppm/±400 ppm	0.125 W			CRL0805 (0.1~0.91Ω)	Downloads	Buy
	CRL1206	0.02 to 9.1 Ω		±200 ppm/±600 ppm	0.25 W			CRL1206 (0.1~0.91Ω)	Downloads	Buy
	CRL2010	0.02 to 9.1 Ω			0.5 W			CRL2010 (0.1~0.91Ω)	Downloads	Buy
	CRL2512	0.01 to 9.1 Ω			1 W			CRL2512 (0.1~0.91Ω)	Downloads	Buy
CRM	CRM0805	47 mΩ to 1 MΩ		±100 ppm/±150 ppm/±200 ppm	0.25 W			CRM0805 MDS (under 1Ω) CRM0805 MDS (over 1Ω)	Downloads	Buy
	CRM1206				0.5 W			CRM1206 MDS (under 1Ω) CRM1206 MDS (over 1Ω)	Downloads	Buy
	CRM2010				1 W			CRM2010 MDS (under 1Ω) CRM2010 MDS (over 1Ω)	Downloads	Buy
	CRM2512			±100 ppm/±200 ppm	2 W			CRM2512 MDS (under 1Ω) CRM2512 MDS (over 1Ω)	Downloads	Buy
CRM-A	CRM0603A	0.05 Ω to 1 MΩ	0.5 % / 1 % / 5 %	±100 ppm/±150 ppm/±200 ppm/±250 ppm	0.125 W			CRM0603A	Downloads	Buy
	CRM0805A			±100 ppm/±150 ppm/±200 ppm	0.25 W			CRM0805A	Downloads	Buy
	CRM1206A			±100 ppm/±200 ppm	0.5 W			CRM1206A	Downloads	Buy
	CRM1210A				0.5 W			CRM1210A	Downloads	Buy
	CRM2010A				1 W			CRM2010A	Downloads	Buy
	CRM2512A				2 W			CRM2512A	Downloads	Buy
CHP	CHP2512	0.1 Ω to 1 MΩ	1 % / 5 %		3 W			CHP2512	Downloads	Buy
CRF	CRF0805	0.001 to 0.025 Ω		±50 ppm	0.5 W		Metal Strip	CRF0805	Downloads	Buy
	CRF1206	0.001 to 0.050 Ω			1 W				Downloads	Buy
	CRF2512	0.001 to 0.050 Ω			0.001 to 0.010 Ω: 2 W 0.011 to 0.050 Ω: 1 W			CRF2512 Series NiCu	Downloads	Buy
CRE	CRE2512	0.001 to 0.009 Ω	1 %		2 W / 3 W			CRE2512		Buy
CRG	CRG2512	0.11 to 0.68 Ω	1 % / 5 %	±50 ppm	1 W, 2 W	Chip	Metal Strip	CRG2512	Downloads	Buy
CRA	CRA2512	0.01 to 0.100 Ω	1 % / 5 %	±50 ppm	3 W	Chip	Metal Strip	CRA2512	Downloads	Buy
CST	CST0612	0.5 to 5 mΩ	1 %	±100 ppm/±200 ppm	1 W	4-Terminal Chip	Metal Strip	CST0612	Downloads	Buy
CSI2H	CSI2H-2512	0.3 to 3.5 mΩ	1 %, 2%, 5 %	±50 ppm	2 to 6 W	Surface Mount	Metal Element	CSI2H-2512K CSI2H-2512R	Downloads	Buy
	CSI2H-3920	0.2 to 3 mΩ			3 to 12 W			CSI2H-3920K CSI2H-3920R	Downloads	Buy
	CSI2H-5930	0.2 to 2 mΩ			4 to 15 W			CSI2H-5930R CSI2H-5930K	Downloads	Buy
CSI4J	CSI4J-4026	0.2 to 2 mΩ			4 to 5 W			CSI4J-4026K CSI4J-4026R	Downloads	Buy
CSS2H	CSS2H-2512	0.3 to 5 mΩ	1 % / 5 %	±50 ppm	1.5 to 6 W	Surface Mount		CSS2H-2512R CSS2H-2512K	Downloads	Buy
	CSS2H-3920	0.2 to 5 mΩ			2 to 12 W			CSS2H-3920R CSS2H-3920K	Downloads	Buy
	CSS2H-5930	0.2 to 3 mΩ			6 to 15W			CSS2H-5930K CSS2H-5930R	Downloads	Buy
CSS4J	CSS4J-4026	0.2 to 3 mΩ			3 to 5 W			CSS4J-4026K CSS4J-4026R	Downloads	Buy
CSM2F-6918	CSM2F-6918-0	50 to 200 μΩ	5 %		36 W	Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-6918-L050J00 CSM2F-6918-L100J00 CSM2F-6918-L200J00	Downloads	Buy
	CSM2F-6918-1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-6918-L050J01	Downloads	Buy
	CSM2F-6918-2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-6918-L050J02 CSM2F-6918-L100J02 CSM2F-6918-L200J02	Downloads	Buy
CSM2F-6918 with 2 or 3 sensing pins	CSM2F-6918-x0					Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-6918-L050Jx0 CSM2F-6918-L200Jx0 CSM2F-6918-L100Jx0	Downloads	Buy
	CSM2F-6918-x1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-6918-L050Jx1	Downloads	Buy
	CSM2F-6918-x2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-6918-L050Jx2 CSM2F-6918-L100Jx2 CSM2F-6918-L200Jx2	Downloads	Buy
CSM2F-7036	CSM2F-7036-0	25 to 100 μΩ			50 W	Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-7036-L025J00 CSM2F-7036-L050J00 CSM2F-7036-L100J00	Downloads	Buy
	CSM2F-7036-1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-7036-L050J01	Downloads	Buy
	CSM2F-7036-2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-7036-L025J02 CSM2F-7036-L050J02 CSM2F-7036-L100J02	Downloads	Buy
CSM2F-7036 with 2 or 3 sensing pins	CSM2F-7036-x0					Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-7036-L050Jx0 CSM2F-7036-L025Jx0 CSM2F-7036-L100Jx0	Downloads	Buy
	CSM2F-7036-x1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-7036-L050Jx1	Downloads	Buy
	CSM2F-7036-x2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-7036-L050Jx2 CSM2F-7036-L025Jx2 CSM2F-7036-L100Jx2	Downloads	Buy
CSM2F-8518	CSM2F-8518-0	50 to 200 μΩ			36 W	Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-8518-L050J00 CSM2F-8518-L100J00 CSM2F-8518-L200J00	Downloads	Buy
	CSM2F-8518-1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-8518-L050J01 CSM2F-8518-L100J01	Downloads	Buy
	CSM2F-8518-2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-8518-L050J02 CSM2F-8518-L100J02 CSM2F-8518-L200J02	Downloads	Buy
CSM2F-8518 with 2 or 3 sensing pins	CSM2F-8518-x0					Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-8518-L050Jx0 CSM2F-8518-L100Jx0 CSM2F-8518-L200Jx0	Downloads	Buy
	CSM2F-8518-x1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-8518-L050Jx1	Downloads	Buy
	CSM2F-8518-x2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-8518-L050Jx2 CSM2F-8518-L100Jx2 CSM2F-8518-L200Jx2	Downloads	Buy
CSM2F-8536	CSM2F-8536-0	25 to 100 μΩ			50 W	Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-8536-L025J00 CSM2F-8536-L050J00 CSM2F-8536-L100J00	Downloads	Buy
	CSM2F-8536-1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-8536-L025J01 CSM2F-8536-L050J01	Downloads	Buy
	CSM2F-8536-2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-8536-L025J02 CSM2F-8536-L050J02 CSM2F-8536-L100J02	Downloads	Buy
CSM2F-8536 with 2 or 3 sensing pins	CSM2F-8536-x0					Surface Mount/ Clearance Hole/ Bare Copper		CSM2F-8536-L050Jx0 CSM2F-8536-L100Jx0 CSM2F-8536-L025Jx0	Downloads	Buy
	CSM2F-8536-x1					Surface Mount/ Clearance Hole/ Pre-Plate		CSM2F-8536-L025Jx1 CSM2F-8536-L050Jx1	Downloads	Buy
	CSM2F-8536-x2					Surface Mount/ Clearance Hole/ Post Plated		CSM2F-8536-L025Jx2 CSM2F-8536-L050Jx2 CSM2F-8536-L100Jx2	Downloads	Buy
M	MS	0.005 - 0.1 Ω	1 %, 5 %	±125 - ±500 ppm	1, 3, and 5 W	Through-hole Welded	Metal Element	MS_MDS	Downloads	Buy
	MSR	0.005 - 0.1 Ω	1 %, 5 %	±125 - ±500 ppm	1, 3, and 5 W	Through-hole Welded	Metal Element	MSR	Downloads	Buy
	MT	0.003 - 0.1 Ω	0.1 % - 5 %	±20 ppm	1 - 10 W	Through-hole Wirewound	Metal Film	MT	Downloads	Buy
RS	RS	0.0417-20 mΩ	0.25 %	±15 PPM/°C	0.25 – 120 W	Panel Mounted Shunt	Metal Element	RSA_MDS RSB_MDS RSC_MDS	Downloads	Buy
	RSH	0.083 - 6.67 mΩ			0.75 – 60 W	Busbar Mounted Shunt		RSH_MDS	Downloads	Buy
	RSI	0.042 - 0.333 mΩ			15 – 120 W			RSI_MDS	Downloads	Buy
	RSJ	0.0083 - 0.067 mΩ			75 – 600 W			RSJ_MDS	Downloads	Buy
	RSK	0.0167 - 0.1 mΩ			50 – 300 W			RSK_MDS	Downloads	Buy
	RSN	0.1 - 100 mΩ	0.10 %		0.05 – 50 W	Panel Mounted Shunt		RSN-1~RSN-50_MDS RSN-100~RSN-500_MDS	Downloads	Buy
	RSW	0.25 - 10 mΩ	0.25 %		0.25 – 10 W	Busbar Mounted Shunt		RSW-5~RSW-80_MDS RSW-100~RSW-200_MDS	Downloads	Buy