SR73-RT Anti-Sulfur Flat Chip Resistors

KOA Speer SR73-RT Anti-Sulfur Flat Chip Resistors are current detecting resistors suitable for power supply and motor circuits. These resistors include a protective layer that acts as an anti-sulfur barrier and strengthens the electrode with a sulfur-resistant material. The SR73-RT resistors deliver low resistance values from 0.43Ω to 10Ω and are suitable for both flow and reflow soldering. These chip resistors are available in a range of sizes from 0603 to 1210 in ±1%, ±2%, and ±5% tolerances. The SR73-RT resistors are AEC-Q200 qualified and offer up to 0.6W power rating with a -55°C to +155°C operating temperature range. The KOA Speer SR73-RT Anti-Sulfur Flat Chip Resistors are ideal for use in outdoor applications, automotive electronics, and factory automation.

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KOA Speer Current Sense Resistors - SMD 1.2 OHM 5% 1/2W
Datasheet
4,947In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73 1.2 Ohms 500 mW (1/2 W) 5 % 200 PPM / C 1210 3225 3.2 mm (0.126 in) 2.6 mm (0.102 in) 0.6 mm (0.024 in) - 55 C + 150 C Thick Film 2 Terminal SMD/SMT
KOA Speer Current Sense Resistors - SMD .15 OHM 1% 1/2W
Datasheet
1,895In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73 150 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.6 mm (0.102 in) 0.6 mm (0.024 in) - 55 C + 150 C Thick Film 2 Terminal SMD/SMT

KOA Speer Current Sense Resistors - SMD 2 ohm 1% 0.166W AEC-Q200
Datasheet
1,080In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel SR73-RT 2 Ohms 166 mW (1/6 W) 1 % 200 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200

KOA Speer Current Sense Resistors - SMD 4.7 ohm 1% 0.166W AEC-Q200
Datasheet
4,128In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel SR73-RT 4.7 Ohms 166 mW (1/6 W) 1 % 200 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 5.1 ohm 1% 0.166W AEC-Q200
Datasheet
1,793In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000
Reel, Cut Tape, MouseReel SR73-RT 5.1 Ohms 166 mW (1/6 W) 1 % 200 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .47ohms .2W 1% AEC-Q200 Anti-Sulfur
Datasheet
1,178In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 470 mOhms 200 mW (1/5 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 1/5W 0.665 Ohms 1% Anti-Sulfur AEC-Q200
Datasheet
3,124In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 665 mOhms 200 mW (1/5 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 1/5W 0.931 Ohms 1% Anti-Sulfur AEC-Q200
Datasheet
1,305In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 931 mOhms 200 mW (1/5 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 3.16 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
870In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 3.16 Ohms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 2.32 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
4,458In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 2.32 Ohms 330 mW (1/3 W) 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .510 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
3,085In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 510 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .430 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
3,890In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 430 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.6 mm (0.102 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 3.9 ohm 1% 0.166W AEC-Q200
Datasheet
111In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Reel, Cut Tape, MouseReel SR73-RT 3.9 Ohms 166 mW (1/6 W) 1 % 200 PPM / C 0402 1005 1 mm (0.039 in) 0.5 mm (0.02 in) 0.35 mm (0.014 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 1ohm .2W 1% AEC-Q200 Anti-Sulfur
Datasheet
5,000Expected 28/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 1 Ohms 200 mW (1/5 W) 1 % 200 PPM / C 0603 1608 1.6 mm (0.063 in) 0.8 mm (0.031 in) 0.45 mm (0.018 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 1ohm .5W 1% AEC-Q200 Anti-Sulfur
Datasheet
5,000Expected 28/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 1 Ohms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 1ohm .5W 1% AEC-Q200 Anti-Sulfur
Datasheet
4,880Expected 05/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 1 Ohms 330 mW (1/3 W) 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .18 OHM 1% 1/3W
Datasheet
4,990Expected 07/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73 180 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 1206 3216 3.2 mm (0.126 in) 1.6 mm (0.063 in) 0.6 mm (0.024 in) - 55 C + 150 C Thick Film 2 Terminal SMD/SMT
KOA Speer Current Sense Resistors - SMD .68ohms .66W 1% AEC-Q200 Anti-Sulfur
Datasheet
5,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 680 mOhms 500 mW (1/2 W) 1 % 100 PPM / C 1210 3225 3.2 mm (0.126 in) 2.6 mm (0.102 in) 0.6 mm (0.024 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD 2.20 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 2 Terminal AEC-Q200
KOA Speer Current Sense Resistors - SMD 3.09 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 2 Terminal AEC-Q200
KOA Speer Current Sense Resistors - SMD 3.48 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000
Reel, Cut Tape, MouseReel SR73-RT 3.48 Ohms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C Thick Film 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .47ohms .5W 1% AEC-Q200 Anti-Sulfur
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 470 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .510 ohms .5W 1% Anti-Sulfur AEC-Q200
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 2 Terminal AEC-Q200
KOA Speer Current Sense Resistors - SMD .56ohms .5W 1% AEC-Q200 Anti-Sulfur
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 560 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C 2 Terminal SMD/SMT AEC-Q200
KOA Speer Current Sense Resistors - SMD .75ohms .5W 1% AEC-Q200 Anti-Sulfur
Datasheet
Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

Reel, Cut Tape, MouseReel SR73-RT 750 mOhms 330 mW (1/3 W) 1 % 100 PPM / C 0805 2012 2 mm (0.079 in) 1.25 mm (0.049 in) 0.5 mm (0.02 in) - 55 C + 155 C 2 Terminal SMD/SMT AEC-Q200