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
Power Rating
Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
Voltage Rating
Case Code - in
Case Code - mm
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Qualification
KOA Speer Thick Film Resistors - SMD 62 Ohms 0.75W 1% Tol
Datasheet
5,000Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 62 Ohms 1 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 1W, 160ohm, 1%
Datasheet
4,000Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 160 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 30ohm, 1%
Datasheet
4,000Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 30 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.43 ohm 1% 1W AEC-Q200
Datasheet
5,000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73S 430 mOhms 1 W 1 % 0 PPM / C, + 200 PPM / C - 55 C + 155 C 200 V 0508 (Reversed) 1220 (Reversed) 1.25 mm (0.049 in) 2 mm (0.079 in) 0.55 mm (0.022 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1.5 ohm 0.5% 1.5W AE
Datasheet
5,000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73S 1.5 Ohms 750 mW (3/4 W) 0.5 % 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 0.15 ohm 1% 1.5W AEC
Datasheet
4,960Expected 02/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73S 150 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 0.68 ohm 1% 1.5W AEC
Datasheet
4,700Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73S 680 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 0.91 ohm 1% 1.5W AEC
Datasheet
4,900Expected 27/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73S 910 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 0.1 Ohms 0.75W 1% To
Datasheet
54,911On Order
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 0.33 Ohms 0.75W 1% T
Datasheet
4,985On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73S 330 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
Datasheet
4,000Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73S 1.65 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination
KOA Speer Thick Film Resistors - SMD 1W, 22ohm, 1%
Datasheet
3,978Expected 30/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 22 Ohms 1 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1218 (Reversed) 3246 (Reversed) 3.1 mm (0.122 in) 4.6 mm (0.181 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 2ohm, 5%
Datasheet
3,796Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73S 2 Ohms 1 W 5 % 100 PPM / C - 55 C + 155 C 200 V 1218 (Reversed) 3246 (Reversed) 3.1 mm (0.122 in) 4.6 mm (0.181 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 3.3ohm, 1%
Datasheet
8,000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73S 3.3 Ohms 1 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1218 (Reversed) 3246 (Reversed) 3.1 mm (0.122 in) 4.6 mm (0.181 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 0.56ohm, 1%
Datasheet
4,000Expected 13/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73S 560 mOhms 1 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1218 (Reversed) 3246 (Reversed) 3.1 mm (0.122 in) 4.6 mm (0.181 in) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 15 ohm 1% 0.5W AEC-Q200
Datasheet
4,800Expected 27/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 15 Ohms 500 mW (1/2 W) 1 % 100 PPM / C - 55 C + 155 C 150 V 0306 (Reversed) 0816 (Reversed) 0.8 mm (0.031 in) 1.6 mm (0.063 in) 0.45 mm (0.018 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 13K ohm 1% 3W AEC-Q200
Datasheet
4In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 13 kOhms 1.5 W 1 % 100 PPM / C - 55 C + 155 C 200 V 1225 (Reversed) 3263 (Reversed) 3.1 mm (0.122 in) 6.3 mm (0.248 in) 0.45 mm (0.018 in) High Reliability Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 0.2 ohm 1% 1.5W AEC-
Datasheet
4,650Expected 30/03/2026
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 13.3 ohm 1% 1W AEC-Q
Datasheet
5,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 13.3 Ohms 1 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 24 Ohms 0.75W 1% Tol
Datasheet
10,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 24 Ohms 1 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 270 Ohms 0.75W 1% To
Datasheet
35,000Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 270 Ohms 1 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 1W, 1Kohm, 1%
Datasheet
4,000Expected 09/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 1 kOhms 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 100ohm, 5%
Datasheet
36,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 100 Ohms 1 W 5 % 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 1W, 10ohm, 1%
Datasheet
4,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 10 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1W, 150ohm, 1%
Datasheet
108,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 150 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200