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
Power Rating
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Temperature Coefficient
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Maximum Operating Temperature
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Case Code - mm
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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
KOA Speer Thick Film Resistors - SMD 30 ohm 1% 1W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 30 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 33 ohm 1% 1W AEC-Q200
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 33 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 402K ohm 1% 0.75W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 402 kOhms 750 mW (3/4 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 88.7 ohm 1% 1W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 88.7 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 22.6 ohm 1% 1.5W AEC
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 22.6 Ohms 1.5 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 40.2 ohm 1% 1.5W AEC
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 40.2 Ohms 1.5 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 47.5 ohm 1% 1.5W AEC
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 47.5 Ohms 1.5 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 120 Ohms 0.75W 5% To
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 120 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 2.4 kOhms 0.75W 5% T
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 2.4 kOhms 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 27 Ohms 0.75W 5% Tol
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 27 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 300 Ohms 0.75W 5% To
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 300 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 374 ohm 1% 1W AEC-Q2
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 374 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 75 Ohms 1W 5% Tol. 1
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000
Reel, Cut Tape, MouseReel WK73R 75 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 976 ohm 1% 1W AEC-Q2
Datasheet
Non-Stocked Lead-Time 9 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Reel, Cut Tape, MouseReel WK73R 976 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) 0.3 mm (0.012 in) High Reliability Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 100K ohm 1% 2W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 100 kOhms 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 27.4K ohm 1% 2W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 27.4 kOhms 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 5.62K ohm 1% 2W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 5.62 kOhms 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 1W, 11ohm, 5%
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000
Reel, Cut Tape, MouseReel WK73R 11 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, 15Kohm, 1%
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 15 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, 2Kohm, 1%
Datasheet
Non-Stocked Lead-Time 9 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 2 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 100 ohm 5% 3W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
Reel WK73R 100 Ohms 3 W 5 % 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 22 ohm 1% 3W AEC-Q200
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
Reel WK73R 22 Ohms 3 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 1.5W, 12ohm, 1%
Datasheet
Non-Stocked Lead-Time 9 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R 12 Ohms 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) 0.6 mm (0.024 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 18.7 OHM 1% 1.5W 100PPM
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Reel, Cut Tape, MouseReel WK73R