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
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 4.3K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.3 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 43K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 43 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 430K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 430 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 43 ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 43 Ohms 330 mW (1/3 W) 5 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 430 ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 430 Ohms 330 mW (1/3 W) 5 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 432 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 432 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.32K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.32 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 432K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 432 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.3K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.3 kOhms 330 mW (1/3 W) 5 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 43K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 43 kOhms 330 mW (1/3 W) 5 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 430K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 430 kOhms 330 mW (1/3 W) 5 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 43 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 43 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 43.2 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 43.2 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 442 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 442 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.42K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.42 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 44.2K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 44.2 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 442K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 442 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 44.2 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 44.2 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 453 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 453 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.53K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.53 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 45.3K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 45.3 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 453K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 453 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 45.3 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 45.3 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 464 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 464 Ohms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200
KOA Speer Thick Film Resistors - SMD 4.64K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000
Reel, Cut Tape, MouseReel WK73R 4.64 kOhms 330 mW (1/3 W) 1 % 100 PPM / C - 55 C + 155 C 75 V 0204 (Reversed) 0510 (Reversed) 0.5 mm (0.02 in) 1 mm (0.039 in) 0.35 mm (0.014 in) Automotive Grade Wide-Side Termination AEC-Q200