WK73 Wide Terminal Flat Chip Resistors

KOA Speer WK73 Wide Terminal Flat Chip Resistors are highly reliable and have high performance with T.C.R. ±100 x 10-6/K and a resistance tolerance of ±1%. The wide terminals offer higher power ratings, superior thermal shock characteristics, and high solder joint reliability.  Constructed of a ceramic substrate, resistive film, solder and plating, and a protective coating, KOA Speer WK73 Wide Terminal Flat Chip Resistor products with lead-free terminations meet EU RoHS requirements.

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Qty. RoHS ECAD Model Packaging
Series
Resistance
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Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
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Case Code - mm
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KOA Speer Thick Film Resistors - SMD 0.68 ohm 1% 1W AEC-Q200
Datasheet
11.730In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 680 mOhms 1 W 1 % 100 PPM / C - 55 C + 155 C 200 V 0508 (Reversed) 1220 (Reversed) 1.25 mm (0.049 in) 2 mm (0.079 in) 0.3 mm (0.012 in) High Reliability Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 3.9 ohm 1% 1.5W AEC-
Datasheet
11.560In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 3.9 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.1 ohm 1% 1.5W AEC-
Datasheet
2.737In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 100 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.62 ohm 1% 1.5W AEC
Datasheet
3.988In Stock
5.000Expected 2/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 620 mOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 10 mOhms 0.75W 5% To
Datasheet
4.718In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000
Reel, Cut Tape, MouseReel WK73S 10 mOhms 750 mW (3/4 W) 5 % 800 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1 Ohms 0.75W 1% Tol.
Datasheet
6.725In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 1 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 2 Ohms 0.75W 1% Tol.
Datasheet
9.102In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 2 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 2.2 Ohms 0.75W 1% To
Datasheet
12.910In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 2.2 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 33 mOhms 0.75W 1% To
Datasheet
240In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 33 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 3.3 Ohms 0.75W 5% To
Datasheet
2.930In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000
Reel, Cut Tape, MouseReel WK73S 3.3 Ohms 750 mW (3/4 W) 5 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 47 mOhms 0.75W 1% To
Datasheet
4.970In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 47 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.3 Ohms 0.75W 1% To
Datasheet
505In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000
Reel, Cut Tape, MouseReel WK73S 4.3 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 62 mOhms 0.75W 1% To
Datasheet
4.961In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 62 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 6.2 Ohms 0.75W 1% To
Datasheet
4.730In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 6.2 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 6.8 Ohms 0.75W 1% To
Datasheet
2.645In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 6.8 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 8.2 Ohms 0.75W 1% To
Datasheet
5.518In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 8.2 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.18 Ohms 0.75W 1% T
Datasheet
2.970In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 180 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.2 Ohms 0.75W 1% To
Datasheet
3.205In Stock
15.000Expected 3/23/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 200 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.39 Ohms 0.75W 1% T
Datasheet
5.530In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 390 mOhms 750 mW (3/4 W) 1 % 200 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.43 Ohms 0.75W 1% T
Datasheet
4.866In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 430 mOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.51 Ohms 0.75W 1% T
Datasheet
4.953In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Reel, Cut Tape, MouseReel WK73S 510 mOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 200 V 0612 (Reversed) 1632 (Reversed) 1.6 mm (0.063 in) 3.2 mm (0.126 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1 ohm 1% 2W AEC-Q200
Datasheet
457In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

Reel, Cut Tape, MouseReel WK73S 1 Ohms 2 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 2 ohm 1% 2W AEC-Q200
Datasheet
2.778In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000
Reel, Cut Tape, MouseReel WK73S 2 Ohms 2 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 2.2 ohm 1% 2W AEC-Q200
Datasheet
3.980In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

Reel, Cut Tape, MouseReel WK73S 2.2 Ohms 1 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.4 mm (0.016 in) High Reliability Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.1 ohm 1% 2W AEC-Q200
Datasheet
3.727In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4.000

Reel, Cut Tape, MouseReel WK73S 100 mOhms 2 W 1 % 200 PPM / C - 55 C + 155 C 200 V 1020 (Reversed) 2550 (Reversed) 2.5 mm (0.098 in) 5 mm (0.197 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200