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We offer current sense SMD resistors from 25µΩ to 3kΩ, with power ratings from 50mW to 50W. We also have 0Ω devices to be used as jumpers.

What are Current Sense SMD Resistors?

Current Sense Resistors are similar to normal resistors but with very low resistance ratings and high power ratings. These shunt resistors of known resistor value (R) are placed in a current conducting path so that the entire current (I) which is to be measured flows through them. By measuring the voltage drop (V) across the resistor and then using simple Ohm’s Law (I=V/R), we can calculate the amount of current that flows through the circuit.

Why use a current sense resistor?

Sensing the current flow is an important requirement in many power and general electronics applications. Often, current sensing is essential to monitor and control an application; for example, a battery charger circuit requires current sensing capability to correctly charge the battery and to determine the charge current needed from the driver.

How do I choose a current sense resistor?

The first step in selecting a current sense resistor is based on understanding the application, particularly in terms of its maximum input voltage. Also, as it will be passing a heavy current (because it is connected in series with the load) its I2R losses will likely be significant even if its resistance value is small. Therefore, a knowledge of its power rating is essential.

The next step is to know the tolerance and package required for the shunt resistor. Less than 1% tolerance is a good choice. But if the application demands extra accuracy, 0.5% to 0.1% tolerance shunt resistors may be more appropriate.

After choosing the value, power rating, and tolerance, it is important to select a suitable package that is easy to solder as well as with a lower footprint for smaller PCB areas. Try to select a resistor with a very low TCR value, ideally below 100 ppm/°C.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price	Quantity	Resistance	Product Range	Resistor Case / Package	Power Rating	Resistance Tolerance	Resistor Element Type	Resistor Type	Resistor Technology	Temperature Coefficient	Product Length	Product Width	Voltage Rating	Product Height	Operating Temperature Min	Operating Temperature Max	Qualification	Automotive Qualification Standard
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LVK12R010DER	1462291 Data Sheet + RoHS	SMD Current Sense Resistor, 0.01 ohm, LVK, 1206 [3216 Metric], 500 mW, ± 0.5%, Metal Film OHMITE You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1462291 1462291RL in Re-reel 2448983 in Full Reel	10+ £0.429 100+ £0.314 500+ £0.282 1000+ £0.276 2500+ £0.27	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.01ohm	LVK	1206 [3216 Metric]	500mW	± 0.5%	-	-	Metal Film	± 50ppm/°C	3.2mm	1.6mm	-	0.5mm	-40°C	125°C	-	-
RLP73K2BR82JTD	2116437 Data Sheet + RoHS	SMD Current Sense Resistor, 0.82 ohm, RL73, 1206 [3216 Metric], 500 mW, ± 5%, Thick Film TE CONNECTIVITY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2116437 2693059 in Full Reel 2116437RL in Re-reel	10+ £0.116 100+ £0.052 500+ £0.044 1000+ £0.036 2500+ £0.035	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.82ohm	RL73	1206 [3216 Metric]	500mW	± 5%	-	-	Thick Film	± 200ppm/°C	3.2mm	1.6mm	-	0.55mm	-55°C	155°C	-	-
RL73K3AR15JTDF	1174011 Data Sheet Date/Lot Code	SMD Current Sense Resistor, 0.15 ohm, RL73, 2512 [6432 Metric], 1 W, ± 5%, Thick Film CGS - TE CONNECTIVITY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1174011 1174011RL in Re-reel	1+ £0.314 50+ £0.293 100+ £0.271 250+ £0.244 500+ £0.217 1000+ £0.167 5000+ £0.166 10000+ £0.164 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.15ohm	RL73	2512 [6432 Metric]	1W	± 5%	-	-	Thick Film	± 200ppm/°C	6.35mm	3.1mm	-	0.6mm	-55°C	125°C	-	-
WSL36373L000FEA	1107417 Data Sheet + RoHS	SMD Current Sense Resistors, WSL Series, 0.003 ohm, 3 W, ± 1%, 3637 [9194 Metric], 4 Terminals VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1107417 1107417RL in Re-reel	10+ £0.936 100+ £0.682 500+ £0.575 1000+ £0.478 2000+ £0.471 4000+ £0.464 20000+ £0.455 40000+ £0.445 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.003ohm	WSL	3637 [9194 Metric]	3W	± 1%	-	-	Metal Strip	± 50ppm/°C	9.14mm	9.4mm	-	0.635mm	-65°C	170°C	AEC-Q200	-
TLM2HDR020FTE	2483587 Data Sheet + RoHS	SMD Current Sense Resistor, 0.02 ohm, TLM, 2010 [5025 Metric], 750 mW, ± 1%, Metal Foil TE CONNECTIVITY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2483587 2483587RL in Re-reel	10+ £0.268 100+ £0.235 500+ £0.194 1000+ £0.175 2000+ £0.161 4000+ £0.15 20000+ £0.147 40000+ £0.144 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.02ohm	TLM	2010 [5025 Metric]	750mW	± 1%	-	-	Metal Foil	± 50ppm/°C	5mm	2.5mm	-	0.58mm	-55°C	55°C	-	-

RLP73V2BR010JTD	2116411 Data Sheet + RoHS	SMD Current Sense Resistor, 0.01 ohm, RL73, 1206 [3216 Metric], 500 mW, ± 5%, Thick Film TE CONNECTIVITY You previously purchased this product. View in Order History	Each	10+ £0.202 100+ £0.15 500+ £0.122 1000+ £0.096 2500+ £0.094 5000+ £0.09 25000+ £0.088 50000+ £0.086 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.01ohm	RL73	1206 [3216 Metric]	500mW	± 5%	-	-	Thick Film	± 600ppm/°C	3.2mm	1.6mm	-	0.55mm	-55°C	155°C	-	-

MCLRP12DTWRR050	2828168 Data Sheet + RoHS	SMD Current Sense Resistor, 0.05 ohm, LRP, 2512 [6432 Metric], 3 W, ± 0.5%, Metal Strip MULTICOMP PRO You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2828168 2828168RL in Re-reel	10+ £0.45 100+ £0.209 500+ £0.151 1000+ £0.135 2000+ £0.115	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.05ohm	LRP	2512 [6432 Metric]	3W	± 0.5%	-	-	Metal Strip	± 75ppm/°C	6.4mm	3.2mm	-	0.7mm	-55°C	170°C	-	-

RL73K2BR10JTD	8867607 Data Sheet + RoHS	SMD Current Sense Resistor, 0.1 ohm, RL73, 1206 [3216 Metric], 250 mW, ± 5%, Thick Film CGS - TE CONNECTIVITY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:8867607 8867607RL in Re-reel	10+ £0.143 100+ £0.062 500+ £0.051 1000+ £0.04 2500+ £0.0395 5000+ £0.039 25000+ £0.037 50000+ £0.036 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.1ohm	RL73	1206 [3216 Metric]	250mW	± 5%	-	-	Thick Film	± 200ppm/°C	3.2mm	1.6mm	-	0.55mm	-55°C	125°C	-	-

ERJC1BFR33U	2353358 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.33 ohm, ERJC1, 2010 Wide, 2 W, ± 1%, Thick Film PANASONIC You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2353358 2353358RL in Re-reel	10+ £0.363 100+ £0.264 500+ £0.191 1000+ £0.155 2500+ £0.151 5000+ £0.145 25000+ £0.142 50000+ £0.139 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.33ohm	ERJC1	2010 Wide	2W	± 1%	-	-	Thick Film	± 100ppm/°C	2.5mm	5mm	-	0.55mm	-55°C	155°C	AEC-Q200	-

WSL3637R0100FEA	2395994 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.01 ohm, WSL3637 Series, 3637 [9194 Metric], 3 W, ± 1%, 4-Terminal VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2395994 2395994RL in Re-reel	10+ £0.748 100+ £0.505 500+ £0.425 1000+ £0.367 2000+ £0.361 4000+ £0.354 20000+ £0.347 40000+ £0.34 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.01ohm	WSL3637	3637 [9194 Metric]	3W	± 1%	-	-	Metal Strip	± 50ppm/°C	9.14mm	9.4mm	-	0.635mm	-65°C	170°C	AEC-Q200	-

ERJ8RQF3R0V	1893015 Data Sheet + RoHS	SMD Current Sense Resistor, 3 ohm, ERJ8RQ, 1206 [3216 Metric], 250 mW, ± 1%, Thick Film PANASONIC You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1893015 1893015RL in Re-reel 2692850 in Full Reel	10+ £0.25 100+ £0.098 500+ £0.092 1000+ £0.086 2500+ £0.084	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	3ohm	ERJ8RQ	1206 [3216 Metric]	250mW	± 1%	-	-	Thick Film	± 200ppm/°C	3.2mm	1.6mm	-	0.6mm	-55°C	125°C	AEC-Q200	-

WSLP12065L000FEA	2420761 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.005 ohm, WSLP, 1206 [3216 Metric], 1 W, ± 1%, Metal Strip VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2420761 2420761RL in Re-reel	10+ £0.644 100+ £0.397 500+ £0.287 1000+ £0.278 2000+ £0.268 4000+ £0.259 20000+ £0.249 40000+ £0.24 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.005ohm	WSLP	1206 [3216 Metric]	1W	± 1%	-	-	Metal Strip	± 110ppm/°C	3.2mm	1.6mm	-	0.635mm	-65°C	170°C	AEC-Q200	-

TLM2BER015FTE	2483546 Data Sheet + RoHS	SMD Current Sense Resistor, 0.015 ohm, TLM, 1206 [3216 Metric], 500 mW, ± 1%, Metal Foil TE CONNECTIVITY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2483546 2483546RL in Re-reel	10+ £0.384 100+ £0.257 500+ £0.187 1000+ £0.15 2500+ £0.149 5000+ £0.146 25000+ £0.143 50000+ £0.14 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.015ohm	TLM	1206 [3216 Metric]	500mW	± 1%	-	-	Metal Foil	± 100ppm/°C	3.2mm	1.6mm	-	0.58mm	-55°C	55°C	-	-

WSLT59313L000FEA	2420792 Data Sheet + RoHS	SMD Current Sense Resistor, 0.003 ohm, WSLT5931, 5931 [1577 Metric], 5 W, ± 1%, Metal Strip VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2420792 2420792RL in Re-reel	1+ £1.27 50+ £1.17 100+ £1.05 250+ £0.955 500+ £0.882 1500+ £0.845 7500+ £0.827 15000+ £0.812 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.003ohm	WSLT5931	5931 [1577 Metric]	5W	± 1%	-	-	Metal Strip	± 75ppm/°C	15mm	7.75mm	-	0.5mm	-65°C	275°C	AEC-Q200	-

ERJ1TRQFR39U	1717953 Data Sheet + RoHS	SMD Current Sense Resistor, 0.39 ohm, ERJ1TR, 2512 [6432 Metric], 1 W, ± 1%, Thick Film PANASONIC You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1717953 1717953RL in Re-reel	10+ £0.24 100+ £0.192 500+ £0.158 1000+ £0.132 2000+ £0.128 4000+ £0.124 20000+ £0.122 40000+ £0.119 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.39ohm	ERJ1TR	2512 [6432 Metric]	1W	± 1%	-	-	Thick Film	± 200ppm/°C	6.4mm	3.2mm	-	0.6mm	-55°C	125°C	AEC-Q200	-

CSS2H-3920R-L500F	2576343 Data Sheet + RoHS	SMD Current Sense Resistor, 500 µohm, CSS2H-3920, 3921 [1052 Metric], 9 W, ± 1%, Metal Strip BOURNS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2576343 2576343RL in Re-reel	5+ £1.26 50+ £1.08 250+ £0.92 500+ £0.704 1500+ £0.703 3000+ £0.702 15000+ £0.701 30000+ £0.70 More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	500µohm	CSS2H-3920	3921 [1052 Metric]	9W	± 1%	-	-	Metal Strip	± 50ppm/°C	10mm	5.2mm	-	1.27mm	-55°C	170°C	-	-

MCLRP12FTWSR012	2828276 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.012 ohm, LRP, 2512 [6432 Metric], 2 W, ± 1%, Metal Strip MULTICOMP PRO You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2828276 2828276RL in Re-reel	10+ £0.262 100+ £0.115 500+ £0.0888 1000+ £0.0739 2000+ £0.0662	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.012ohm	LRP	2512 [6432 Metric]	2W	± 1%	-	-	Metal Strip	± 75ppm/°C	6.4mm	3.2mm	-	0.7mm	-55°C	170°C	-	-

MCLRP12DTWRR100	2828177 Data Sheet + RoHS	SMD Current Sense Resistor, 0.1 ohm, LRP, 2512 [6432 Metric], 3 W, ± 0.5%, Metal Strip MULTICOMP PRO You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2828177 2828177RL in Re-reel	10+ £0.451 100+ £0.209 500+ £0.15 1000+ £0.135 2000+ £0.115	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	-	LRP	2512 [6432 Metric]	-	± 0.5%	-	-	Metal Strip	± 75ppm/°C	6.4mm	3.2mm	-	0.7mm	-55°C	170°C	-	-

WSHP2818R0200FEB	2709462 Data Sheet + RoHS	SMD Current Sense Resistor, 0.02 ohm, WSHP2818, 2818 [7146 Metric], 10 W, ± 1%, Metal Strip VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2709462 2709462RL in Re-reel	1+ £2.57 50+ £2.22 100+ £1.88 250+ £1.58 500+ £1.40	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.02ohm	WSHP2818	2818 [7146 Metric]	10W	± 1%	-	-	Metal Strip	± 75ppm/°C	7.1mm	4.6mm	-	1.5mm	-65°C	170°C	AEC-Q200	-

FPS 4-T220 0R005 S 1% Q	2565568 Data Sheet	SMD Current Sense Resistor, Screw, 0.005 ohm, FPS 4-T220, TO-263 (D2PAK), 15 W, ± 1%, Metal Foil POWERTRON You previously purchased this product. View in Order History	Each	1+ £11.91 2+ £10.70 3+ £10.17 5+ £10.15 10+ £10.13 20+ £10.07 50+ £9.89 100+ £9.73 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.005ohm	FPS 4-T220	TO-263 (D2PAK)	15W	± 1%	-	-	Metal Foil	± 25ppm/K	10.16mm	12.7mm	-	4mm	-40°C	130°C	-	-

WW08DR020FTL	2503035 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.02 ohm, WW08D, 0805 [2012 Metric], 500 mW, ± 1%, Metal Foil WALSIN You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2503035 2503035RL in Re-reel 2498378 in Full Reel	10+ £0.233 100+ £0.229 500+ £0.202 1000+ £0.199 2500+ £0.195	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.02ohm	WW08D	0805 [2012 Metric]	500mW	± 1%	-	-	Metal Foil	± 100ppm/°C	2.01mm	1.25mm	-	0.55mm	-	-	-	-

PA2512FKF7W0R004E	3496979 Data Sheet + RoHS	SMD Current Sense Resistor, 0.004 ohm, PA_E Series, 2512 [6432 Metric], 2 W, ± 1%, Metal Strip YAGEO You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3496979 3496979RL in Re-reel	10+ £0.279 100+ £0.201 500+ £0.16 1000+ £0.129 2000+ £0.125 4000+ £0.12 20000+ £0.118 40000+ £0.116 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.004ohm	PA_E Series	2512 [6432 Metric]	2W	± 1%	-	-	Metal Strip	± 100ppm/°C	6.35mm	3.18mm	-	0.63mm	-55°C	170°C	AEC-Q200	-

ERJS6QFR68V	2381089 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.68 ohm, ERJS6Q, 0805 [2012 Metric], 250 mW, ± 1%, Thick Film PANASONIC You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2381089 2381089RL in Re-reel	10+ £0.141 100+ £0.077 500+ £0.068 1000+ £0.059 2500+ £0.057 5000+ £0.055 25000+ £0.052 50000+ £0.05 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.68ohm	ERJS6Q	0805 [2012 Metric]	250mW	± 1%	-	-	Thick Film	± 150ppm/°C	2.01mm	1.25mm	-	0.55mm	-55°C	155°C	AEC-Q200	-

ULR3-R003FT2	1292510 Data Sheet + RoHS	SMD Current Sense Resistor, 0.003 ohm, ULR, 2512 [6432 Metric], 3 W, ± 1%, Metal Strip TT ELECTRONICS / WELWYN You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1292510 1292510RL in Re-reel	5+ £0.67 50+ £0.562 250+ £0.521 500+ £0.481 1000+ £0.44 2000+ £0.367 10000+ £0.36 20000+ £0.352 More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	0.003ohm	ULR	2512 [6432 Metric]	3W	± 1%	-	-	Metal Strip	± 75ppm/°C	6.35mm	3mm	-	0.6mm	-55°C	170°C	AEC-Q200	-

ERJ6RSFR18V	1717788 Data Sheet + RoHS Date/Lot Code	SMD Current Sense Resistor, 0.18 ohm, ERJ6R, 0805 [2012 Metric], 125 mW, ± 1%, Thick Film PANASONIC You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1717788 1717788RL in Re-reel	10+ £0.208 100+ £0.093 500+ £0.091 1000+ £0.089 2500+ £0.087	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.18ohm	ERJ6R	0805 [2012 Metric]	125mW	± 1%	-	-	Thick Film	± 250ppm/°C	2.01mm	1.25mm	-	0.6mm	-55°C	125°C	AEC-Q200	-