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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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
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
Length
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Features
Qualification
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 0.43 ohm 1% 1W AEC-Q200
Datasheet
5,000Expected 2026-03-09
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 2026-03-09
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 2026-03-04
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 0.2 ohm 1% 1.5W AEC-
Datasheet
4,650Expected 2026-03-30
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 0.68 ohm 1% 1.5W AEC
Datasheet
4,700Expected 2026-03-09
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 0.33 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 0.27 ohm 1% 2W AEC-Q200
Datasheet
4,000Expected 2026-04-27
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73S 270 mOhms 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
Datasheet
4,000Expected 2026-03-30
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 2026-03-30
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 2026-03-09
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 2026-03-09
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 2026-04-13
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 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
Non-Stocked Lead-Time 8 Weeks
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 220 Ohms 0.75W 5% To
Datasheet
4,975Expected 2026-03-12
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 220 Ohms 1 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 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
20,000Factory 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