Planar Resistors – Mouser United Kingdom

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RS Riedon™ Precision Current Shunt Resistors

Bourns RS Riedon™ Precision Current Shunt Resistors provide a rugged and accurate measurement over a wide current range. The resistors feature center-mounted voltage taps to simplify connection to ammeters and a Manganin™ resistive element to achieve low resistance values. The RS family, comprised of RSA, RSB, and RSC series resistors, offers a compact design for space-constrained applications requiring high current ratings. The RS Riedon precision current shunt resistors are ideal for various power applications, including solar generators, wind power, heavy industrial equipment, electroplating, battery chargers, and mining.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Resistance	Voltage Rating	Tolerance	Termination Style	Length	Width	Height	Type	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Planar Resistors - Chassis Mount RSC-1200 100mV RSC-1200-100-S Bourns 1: £75.60 8In Stock New Product	Mfr. Part No. RSC-1200-100-S Mouser Part No 652-RSC-1200-100-S New Product	Bourns	Planar Resistors - Chassis Mount RSC-1200 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	8In Stock	£75.60 £57.57 £53.31 £53.06 View £52.11 Quote	Min.: 1 Mult.: 1	83.3 uOhms	100 mV	0.25 %	Screw	114.3 mm	63.5 mm	54.6 mm	Precision Current Sensor	- 40 C	+ 60 C	RSC	Bulk
Planar Resistors - Chassis Mount RSN-2 100mV 0.1% RSN-2-100B Bourns 1: £44.85 106In Stock	Mfr. Part No. RSN-2-100B Mouser Part No 652-RSN-2-100B	Bourns	Planar Resistors - Chassis Mount RSN-2 100mV 0.1% Learn More about Bourns rs riedon shunt resistors	Datasheet	106In Stock	£44.85 £36.03 £32.53 £30.67 View £28.83 Quote	Min.: 1 Mult.: 1	50 mOhms			Screw				Riedon Precision Current Resistor	- 30 C	+ 70 C	RSN	Bulk
Planar Resistors - Chassis Mount RSN-20 100mV 0.1% RSN-20-100B Bourns 1: £43.56 110In Stock	Mfr. Part No. RSN-20-100B Mouser Part No 652-RSN-20-100B	Bourns	Planar Resistors - Chassis Mount RSN-20 100mV 0.1% Learn More about Bourns rs riedon shunt resistors	Datasheet	110In Stock	£43.56 £37.53 £31.91 £28.40 View £28.29 Quote	Min.: 1 Mult.: 1	5 mOhms			Screw				Riedon Precision Current Resistor	- 30 C	+ 70 C	RSN	Bulk
Planar Resistors - Chassis Mount RSB-500 50mV RSB-500-50 Bourns 1: £52.08 441In Stock	Mfr. Part No. RSB-500-50 Mouser Part No 652-RSB-500-50	Bourns	Planar Resistors - Chassis Mount RSB-500 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	441In Stock	£52.08 £41.84 £38.61 £37.29 £36.78	Min.: 1 Mult.: 1	100 uOhms			Screw	82.6 mm	44.5 mm	43.7 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSW-150 50mV RSW-150-50 Bourns 1: £38.01 93In Stock	Mfr. Part No. RSW-150-50 Mouser Part No 652-RSW-150-50	Bourns	Planar Resistors - Chassis Mount RSW-150 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	93In Stock	£38.01 £27.69 £25.88 £25.45 £22.19	Min.: 1 Mult.: 1	333 uOhms			Screw				Riedon Precision Current Resistor	- 40 C	+ 70 C	RSW	Bulk
Planar Resistors - Chassis Mount RSA-10 100mV RSA-10-100 Bourns 1: £27.94 301In Stock 400Expected 02/11/2026	Mfr. Part No. RSA-10-100 Mouser Part No 652-RSA-10-100	Bourns	Planar Resistors - Chassis Mount RSA-10 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	301In Stock 400Expected 02/11/2026	£27.94 £22.54 £21.27 £21.15 View £19.77 £18.26	Min.: 1 Mult.: 1	10 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-10 50mV RSA-10-50 Bourns 1: £28.57 71In Stock	Mfr. Part No. RSA-10-50 Mouser Part No 652-RSA-10-50	Bourns	Planar Resistors - Chassis Mount RSA-10 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	71In Stock	£28.57 £22.72 £21.00 £19.49 View £18.21 £16.81	Min.: 1 Mult.: 1	5 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-100 100mV RSA-100-100 Bourns 1: £30.76 295In Stock 150Expected 29/09/2026	Mfr. Part No. RSA-100-100 Mouser Part No 652-RSA-100-100	Bourns	Planar Resistors - Chassis Mount RSA-100 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	295In Stock 150Expected 29/09/2026	£30.76 £25.40 £21.45 £20.37 View £19.77 £18.26	Min.: 1 Mult.: 1	1 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-15 100mV RSA-15-100 Bourns 1: £32.58 103In Stock	Mfr. Part No. RSA-15-100 Mouser Part No 652-RSA-15-100	Bourns	Planar Resistors - Chassis Mount RSA-15 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	103In Stock	£32.58 £24.59 £22.46 £20.86 View £19.50 £18.03	Min.: 1 Mult.: 1	6.667 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-150 100mV RSA-150-100 Bourns 1: £32.44 69In Stock	Mfr. Part No. RSA-150-100 Mouser Part No 652-RSA-150-100	Bourns	Planar Resistors - Chassis Mount RSA-150 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	69In Stock	£32.44 £25.01 £22.46 £20.86 View £19.50 £18.03	Min.: 1 Mult.: 1	666.7 uOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-150 50mV RSA-150-50 Bourns 1: £31.79 187In Stock	Mfr. Part No. RSA-150-50 Mouser Part No 652-RSA-150-50	Bourns	Planar Resistors - Chassis Mount RSA-150 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	187In Stock	£31.79 £23.95 £21.94 £20.37 View £19.04 £17.59	Min.: 1 Mult.: 1	333.3 uOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-20 100mV RSA-20-100 Bourns 1: £34.70 78In Stock 100Expected 22/10/2026	Mfr. Part No. RSA-20-100 Mouser Part No 652-RSA-20-100	Bourns	Planar Resistors - Chassis Mount RSA-20 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	78In Stock 100Expected 22/10/2026	£34.70 £27.22 £24.45 £23.11 View £21.62 £19.46 £19.38	Min.: 1 Mult.: 1	5 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-20 50mV RSA-20-50 Bourns 1: £30.03 210In Stock	Mfr. Part No. RSA-20-50 Mouser Part No 652-RSA-20-50	Bourns	Planar Resistors - Chassis Mount RSA-20 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	210In Stock	£30.03 £24.01 £21.55 £20.01 View £18.70 £17.28	Min.: 1 Mult.: 1	2.5 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-30 50mV RSA-30-50 Bourns 1: £31.58 103In Stock	Mfr. Part No. RSA-30-50 Mouser Part No 652-RSA-30-50	Bourns	Planar Resistors - Chassis Mount RSA-30 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	103In Stock	£31.58 £24.64 £22.13 £20.56 View £19.22 £17.76	Min.: 1 Mult.: 1	1.667 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-5 50mV RSA-5-50 Bourns 1: £30.13 160In Stock	Mfr. Part No. RSA-5-50 Mouser Part No 652-RSA-5-50	Bourns	Planar Resistors - Chassis Mount RSA-5 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	160In Stock	£30.13 £24.06 £21.60 £20.05 £17.31	Min.: 1 Mult.: 1	10 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-50 100mV RSA-50-100 Bourns 1: £32.49 133In Stock	Mfr. Part No. RSA-50-100 Mouser Part No 652-RSA-50-100	Bourns	Planar Resistors - Chassis Mount RSA-50 100mV Learn More about Bourns rs riedon shunt resistors	Datasheet	133In Stock	£32.49 £25.86 £23.24 £21.59 £20.54	Min.: 1 Mult.: 1	2 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSB-300 50mV RSB-300-50 Bourns 1: £39.10 29In Stock 100Expected 16/11/2026	Mfr. Part No. RSB-300-50 Mouser Part No 652-RSB-300-50	Bourns	Planar Resistors - Chassis Mount RSB-300 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	29In Stock 100Expected 16/11/2026	£39.10 £32.14 £30.03 £29.59 View £27.76 £26.45	Min.: 1 Mult.: 1	166.7 uOhms			Screw	82.6 mm	44.5 mm	43.7 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSB-400 50mV RSB-400-50 Bourns 1: £46.21 48In Stock	Mfr. Part No. RSB-400-50 Mouser Part No 652-RSB-400-50	Bourns	Planar Resistors - Chassis Mount RSB-400 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	48In Stock	£46.21 £36.12 £32.60 £30.41 View £28.52 £27.25	Min.: 1 Mult.: 1	125 uOhms			Screw	82.6 mm	44.5 mm	43.7 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSB-600 50mV RSB-600-50 Bourns 1: £61.27 50In Stock 150On Order	Mfr. Part No. RSB-600-50 Mouser Part No 652-RSB-600-50	Bourns	Planar Resistors - Chassis Mount RSB-600 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	50In Stock 150On Order On Order Ship Dates Mfr. No: RSB-600-50 Stock: 50 Can Dispatch Immediately On Order: 50 Expected 09/10/2026 100 Expected 22/10/2026 Factory Lead Time: 8 Weeks	£61.27 £45.20 £41.88 £39.12 £37.06	Min.: 1 Mult.: 1	80 uOhms			Screw	82.6 mm	44.5 mm	43.7 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSC-1000 50mV RSC-1000-50 Bourns 1: £61.61 91In Stock	Mfr. Part No. RSC-1000-50 Mouser Part No 652-RSC-1000-50	Bourns	Planar Resistors - Chassis Mount RSC-1000 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	91In Stock	£61.61 £49.46 £47.34 £44.80 £42.44	Min.: 1 Mult.: 1	50 uOhms			Screw	104.4 mm	63.5 mm	54.6 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSC-800 50mV RSC-800-50 Bourns 1: £64.97 49In Stock	Mfr. Part No. RSC-800-50 Mouser Part No 652-RSC-800-50	Bourns	Planar Resistors - Chassis Mount RSC-800 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	49In Stock	£64.97 £50.66 £45.82 £43.78 £41.45	Min.: 1 Mult.: 1	62.5 uOhms			Screw	104.4 mm	63.5 mm	54.6 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSN-500 100mV 0.1% RSN-500-100B Bourns 1: £49.28 43In Stock	Mfr. Part No. RSN-500-100B Mouser Part No 652-RSN-500-100B	Bourns	Planar Resistors - Chassis Mount RSN-500 100mV 0.1% Learn More about Bourns rs riedon shunt resistors	Datasheet	43In Stock	£49.28 £36.22 £32.69 £30.48 View £29.10 £29.01 Quote	Min.: 1 Mult.: 1	200 uOhms			Screw				Riedon Precision Current Resistor	- 30 C	+ 70 C	RSN	Bulk
Planar Resistors - Chassis Mount RSA-100 50mV RSA-100-50 Bourns 1: £26.27 56In Stock 100Expected 22/10/2026	Mfr. Part No. RSA-100-50 Mouser Part No 652-RSA-100-50	Bourns	Planar Resistors - Chassis Mount RSA-100 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	56In Stock 100Expected 22/10/2026	£26.27 £21.69 £20.30 £20.29 View £19.54 £18.04	Min.: 1 Mult.: 1	500 uOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSA-50 50mV RSA-50-50 Bourns 1: £31.00 28In Stock 150On Order	Mfr. Part No. RSA-50-50 Mouser Part No 652-RSA-50-50	Bourns	Planar Resistors - Chassis Mount RSA-50 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	28In Stock 150On Order	£31.00 £24.22 £21.75 £20.18 View £18.87 £17.43	Min.: 1 Mult.: 1	1 mOhms			Screw	50.8 mm	31.8 mm	43.2 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk
Planar Resistors - Chassis Mount RSB-200 50mV RSB-200-50 Bourns 1: £41.75 17In Stock 100Expected 26/10/2026	Mfr. Part No. RSB-200-50 Mouser Part No 652-RSB-200-50	Bourns	Planar Resistors - Chassis Mount RSB-200 50mV Learn More about Bourns rs riedon shunt resistors	Datasheet	17In Stock 100Expected 26/10/2026	£41.75 £32.62 £30.14 £28.55 View £26.77 £25.43	Min.: 1 Mult.: 1	250 uOhms			Screw	82.6 mm	44.5 mm	43.7 mm	Riedon Precision Current Resistor	- 40 C	+ 60 C	RS	Bulk