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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 Technology	Resistor Type	Temperature Coefficient	Product Length	Voltage Rating	Product Width	Product Height	Operating Temperature Min	Operating Temperature Max	Qualification
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WSHP2818R0250FEB	2709463 Data Sheet + RoHS	SMD Current Sense Resistor, 0.025 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:2709463 2709450 in Full Reel 2709463RL in Re-reel	1+ Rs.240.32 10+ Rs.189.83 100+ Rs.157.80 250+ Rs.134.28 500+ Rs.121.60	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.025ohm	WSHP2818	2818 [7146 Metric]	10W	± 1%	Metal Strip	-	± 75ppm/°C	7.1mm	-	4.6mm	1.5mm	-65°C	170°C	AEC-Q200
WFMB2512R0500FEA	3102736 Data Sheet + RoHS	SMD Current Sense Resistor, 0.05 ohm, WFM, 2512 [6432 Metric], 3 W, ± 1%, Metal Plate VISHAY You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:3102736 3102736RL in Re-reel	5+ Rs.97.34 100+ Rs.70.95 250+ Rs.59.91 500+ Rs.56.54	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	0.05ohm	WFM	2512 [6432 Metric]	3W	± 1%	Metal Plate	-	± 50ppm/°C	6.35mm	-	3.18mm	0.5mm	-65°C	170°C	AEC-Q200
WSL39214L000FEA	3597032 Data Sheet + RoHS	SMD Current Sense Resistor, 0.004 ohm, WSL3921, 3921 [1052 Metric], 3 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:3597032 3597032RL in Re-reel	5+ Rs.68.87 100+ Rs.57.75	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	0.004ohm	WSL3921	3921 [1052 Metric]	3W	± 1%	Metal Strip	-	± 50ppm/°C	10mm	-	5.2mm	0.5mm	-65°C	170°C	AEC-Q200
WK73S3A3TTER470F	3542662 Data Sheet + RoHS	SMD Current Sense Resistor, Wide Terminal, 0.47 ohm, WK73S, 1225 [3264 Metric], 3 W, ± 1% KOA You previously purchased this product. View in Order History	Each (Supplied on Full Reel) Full Reel	4000+ Rs.15.86	Restricted Item Minimum order of 4000 items Multiples of 4000 only Please enter a valid quantity Add Min: 4000 Mult: 4000	0.47ohm	WK73S	1225 [3264 Metric]	3W	± 1%	Thick Film	-	± 100ppm/K	3.1mm	-	6.3mm	0.6mm	-55°C	155°C	AEC-Q200
ERJ3BQFR33V	1892888 Data Sheet + RoHS	SMD Current Sense Resistor, 0.33 ohm, ERJ3BQ, 0603 [1608 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:1892888 1892888RL in Re-reel	10+ Rs.9.23 100+ Rs.5.83 1000+ Rs.4.50 5000+ Rs.3.67 10000+ Rs.3.42 25000+ Rs.3.17 50000+ Rs.3.01 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	ERJ3BQ	0603 [1608 Metric]	250mW	± 1%	Thick Film	-	± 300ppm/°C	1.6mm	-	0.85mm	0.45mm	-55°C	125°C	AEC-Q200

CRM2010-FX-R910ELF	1865263 Data Sheet Data Sheet + RoHS	SMD Current Sense Resistor, 0.91 ohm, CRM, 2010 [5025 Metric], 1 W, ± 1%, Thick Film BOURNS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:1865263 1865263RL in Re-reel	10+ Rs.17.29 100+ Rs.10.90 1000+ Rs.9.66 4000+ Rs.8.33 8000+ Rs.6.22	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.91ohm	CRM	2010 [5025 Metric]	1W	± 1%	Thick Film	-	± 100ppm/°C	5mm	-	2.5mm	0.6mm	-55°C	155°C	-

WSL3637R0100FEA	2395994 Data Sheet + RoHS	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+ Rs.71.77 100+ Rs.62.12 250+ Rs.52.46 500+ Rs.44.25 1000+ Rs.36.81 2500+ Rs.35.96 4000+ Rs.35.19 8000+ Rs.34.35 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

MCLRP12JTWSR080	2828387 Data Sheet + RoHS	SMD Current Sense Resistor, 0.08 ohm, LRP, 2512 [6432 Metric], 2 W, ± 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:2828387 2828387RL in Re-reel	10+ Rs.20.38 100+ Rs.17.45 500+ Rs.14.04 1000+ Rs.11.53 2000+ Rs.8.74	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.08ohm	LRP	2512 [6432 Metric]	2W	± 5%	Metal Strip	-	± 75ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

MCLRP12DTDRR050	2828121 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:2828121 2828121RL in Re-reel	10+ Rs.22.94 100+ Rs.20.27 500+ Rs.17.44 1000+ Rs.15.60 2000+ Rs.13.42	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	-	± 50ppm/°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+ Rs.22.94 100+ Rs.20.27 500+ Rs.17.44 1000+ Rs.15.60 2000+ Rs.13.42	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.1ohm	LRP	2512 [6432 Metric]	3W	± 0.5%	Metal Strip	-	± 75ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

WSL1206R0680FEA	3596987 Data Sheet + RoHS	SMD Current Sense Resistor, 0.068 ohm, WSL, 1206 [3216 Metric], 250 mW, ± 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:3596987 3596987RL in Re-reel	10+ Rs.49.22 100+ Rs.37.26 500+ Rs.29.88 1000+ Rs.24.32 2000+ Rs.23.98 4000+ Rs.22.91 8000+ Rs.22.74 24000+ Rs.21.25 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.068ohm	WSL	1206 [3216 Metric]	250mW	± 1%	Metal Strip	-	± 75ppm/°C	3.2mm	-	1.6mm	0.635mm	-65°C	170°C	AEC-Q200

ERJ14BQFR82U	1717931 Data Sheet + RoHS	SMD Current Sense Resistor, 0.82 ohm, ERJ14B, 1210 [3225 Metric], 500 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:1717931 1717931RL in Re-reel	10+ Rs.19.04 100+ Rs.11.98 500+ Rs.10.24 5000+ Rs.10.12 50000+ Rs.9.99	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.82ohm	ERJ14B	1210 [3225 Metric]	500mW	± 1%	Thick Film	-	± 200ppm/°C	3.2mm	-	2.5mm	0.6mm	-55°C	125°C	AEC-Q200

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+ Rs.49.73 25+ Rs.40.58 100+ Rs.35.00 250+ Rs.31.36 500+ Rs.26.09	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	-

CRM2512-JX-R200ELF	2328177 Data Sheet + RoHS	SMD Current Sense Resistor, 0.2 ohm, CRM, 2512 [6432 Metric], 2 W, ± 5%, Thick Film BOURNS You previously purchased this product. View in Order History	Each (Supplied on Cut Tape) Cut Tape Packaging Options Suggested replacement for:2328177 2328177RL in Re-reel	10+ Rs.28.87	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.2ohm	CRM	2512 [6432 Metric]	2W	± 5%	Thick Film	-	± 100ppm/°C	6.3mm	-	3.1mm	0.6mm	-55°C	155°C	-

WSLT2010R1000FEA18	2420774 Data Sheet + RoHS	SMD Current Sense Resistor, 0.1 ohm, WSLT2010, 2010 [5025 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:2420774 2420774RL in Re-reel	10+ Rs.55.33 100+ Rs.47.86 250+ Rs.40.47 500+ Rs.34.08 1000+ Rs.31.91	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.1ohm	WSLT2010	2010 [5025 Metric]	1W	± 1%	Metal Strip	-	± 75ppm/°C	5.08mm	-	2.54mm	0.635mm	-65°C	275°C	AEC-Q200

WSLP12065L000FEA	2420761 Data Sheet + RoHS	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+ Rs.54.52 25+ Rs.46.77 50+ Rs.42.11 100+ Rs.36.66 250+ Rs.32.78 500+ Rs.26.56 1000+ Rs.24.63 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

WSL2010R1200FEB	1107378 Data Sheet + RoHS	SMD Current Sense Resistor, 0.12 ohm, WSL, 2010 [5025 Metric], 500 mW, ± 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:1107378 1107378RL in Re-reel	1+ Rs.62.77 10+ Rs.54.06 100+ Rs.37.78 500+ Rs.27.28 1000+ Rs.22.15 2000+ Rs.21.74 More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	0.12ohm	WSL	2010 [5025 Metric]	500mW	± 1%	Metal Strip	-	± 70ppm/°C	5.08mm	-	2.54mm	0.635mm	-65°C	170°C	AEC-Q200

TLM2ADR022FTE	2483513 Data Sheet + RoHS	SMD Current Sense Resistor, 0.022 ohm, TLM, 0805 [2012 Metric], 250 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:2483513 2483513RL in Re-reel	10+ Rs.39.41 100+ Rs.27.98 500+ Rs.22.23 1000+ Rs.18.43 2500+ Rs.16.37 5000+ Rs.15.58 25000+ Rs.15.42 50000+ Rs.15.17 More Pricing...	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.022ohm	TLM	0805 [2012 Metric]	250mW	± 1%	Metal Foil	-	± 50ppm/°C	2.01mm	-	1.25mm	0.55mm	-55°C	55°C	-

WW08DR020FTL	2503035 Data Sheet + RoHS	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+ Rs.64.31 100+ Rs.52.67 500+ Rs.41.01 1000+ Rs.29.44 2500+ Rs.23.63	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	-	-	-

MCLRP12JTWRR050	2828356 Data Sheet + RoHS	SMD Current Sense Resistor, 0.05 ohm, LRP, 2512 [6432 Metric], 3 W, ± 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:2828356 2828356RL in Re-reel	10+ Rs.20.38 100+ Rs.17.45 500+ Rs.14.04 1000+ Rs.11.53 2000+ Rs.8.74	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	± 5%	Metal Strip	-	± 75ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

MCLRP12FTDSR015	2828225 Data Sheet + RoHS	SMD Current Sense Resistor, 0.015 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:2828225 2828225RL in Re-reel	10+ Rs.20.38 100+ Rs.17.45 500+ Rs.14.04 1000+ Rs.11.53 2000+ Rs.8.74	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.015ohm	LRP	2512 [6432 Metric]	2W	± 1%	Metal Strip	-	± 50ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

MCLRP12DTWSR020	2828185 Data Sheet + RoHS	SMD Current Sense Resistor, 0.02 ohm, LRP, 2512 [6432 Metric], 2 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:2828185 2828185RL in Re-reel	10+ Rs.21.30 100+ Rs.18.82 500+ Rs.16.20 1000+ Rs.14.49 2000+ Rs.12.46	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.02ohm	LRP	2512 [6432 Metric]	2W	± 0.5%	Metal Strip	-	± 75ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

PML100HZPJV0L5	2908876 Data Sheet + RoHS	SMD Current Sense Resistor, 500 µohm, PML, 2512 Wide, 2 W, ± 5%, Metal Strip ROHM You previously purchased this product. View in Order History	Each	5+ Rs.58.38 100+ Rs.50.49 250+ Rs.42.69 500+ Rs.35.97 1000+ Rs.29.91 2000+ Rs.29.16 4000+ Rs.28.58 10000+ Rs.27.92 More Pricing...	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	500µohm	PML	2512 Wide	2W	± 5%	Metal Strip	-	± 150ppm/°C	3.2mm	-	6.4mm	-	-55°C	155°C	AEC-Q200

MCLRP12JTDRR025	2828302 Data Sheet + RoHS	SMD Current Sense Resistor, 0.025 ohm, LRP, 2512 [6432 Metric], 3 W, ± 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:2828302 2828302RL in Re-reel	10+ Rs.20.38 100+ Rs.17.45 500+ Rs.14.04 1000+ Rs.11.53 2000+ Rs.8.74	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.025ohm	LRP	2512 [6432 Metric]	3W	± 5%	Metal Strip	-	± 50ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-

MCLRP12DTWRR060	2828169 Data Sheet + RoHS	SMD Current Sense Resistor, 0.06 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:2828169 2828169RL in Re-reel	10+ Rs.22.94 100+ Rs.20.27 500+ Rs.17.44 1000+ Rs.15.60 2000+ Rs.13.42	Restricted Item Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Add Min: 10 Mult: 10	0.06ohm	LRP	2512 [6432 Metric]	3W	± 0.5%	Metal Strip	-	± 75ppm/°C	6.4mm	-	3.2mm	0.7mm	-55°C	170°C	-