WK73R Wide Terminal Thick Film Chip Resistors

KOA Speer WK73R Thick Film Wide Terminal Resistors feature a power rating range of 0.33W to 3.0W. The WK73R resistors can achieve a high power rating due to the reverse geometry design which provides greater heat dissipation. The resistors offer superior thermal shock characteristics, solder joint resistance, and excellent overall heat resistance with an operating temperature of -55°C to +155°C. The higher power rating of the WK73R components accommodates a desire for downsizing to allow for more available board space.

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Qty. RoHS ECAD Model Packaging
Series
Resistance
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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 56 Ohms 0.75W 1% Tol
Datasheet
51In Stock
5,000Expected 2026-03-23
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 56 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 470 Ohms 0.75W 1% To
Datasheet
20In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 470 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 90.9 ohm 1% 1W AEC-Q
Datasheet
30In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 90.9 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 160 ohm 1% 1W AEC-Q200
Datasheet
4,000Expected 2026-03-30
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 160 Ohms 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) 0.55 mm (0.022 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 49.9 ohm 1% 1W AEC-Q200
Datasheet
4,979On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 49.9 Ohms 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) 0.55 mm (0.022 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 14 ohm 1% 1W AEC-Q20
Datasheet
5,000Expected 2026-03-30
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 14 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 27.4 ohm 0.5% 1W AEC
Datasheet
4,900Expected 2026-04-27
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 27.4 Ohms 1 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 62 Ohms 0.75W 1% Tol
Datasheet
5,000Expected 2026-03-30
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, 1Kohm, 1%
Datasheet
4,000Expected 2026-03-09
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, 160ohm, 1%
Datasheet
4,000Expected 2026-03-30
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 2026-03-30
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 15 ohm 1% 0.5W AEC-Q200
Datasheet
4,800Expected 2026-04-27
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 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, 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
KOA Speer Thick Film Resistors - SMD 1W, 1.5Kohm, 5%
Datasheet
4,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 1.5 kOhms 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, 2.2Kohm, 5%
Datasheet
4,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 2.2 kOhms 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, 430ohm, 1%
Datasheet
4,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 430 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, 56ohm, 5%
Datasheet
4,000Factory Stock Available
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 56 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 249 ohm 1% 0.5W AEC-Q200
Datasheet
Non-Stocked Lead-Time 9 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 249 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 165 ohm 1% 1W AEC-Q200
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 165 Ohms 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) 0.55 mm (0.022 in) Automotive Grade Wide-Side Termination AEC-Q200