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
Length
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Features
Qualification
KOA Speer Thick Film Resistors - SMD 510K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 510 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 51 ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 51 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 5.11K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 5.11 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 51.1K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 51.1 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 511K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 511 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 510 ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 510 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 5.1K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 5.1 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 51K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 51 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 510K ohm 5% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 510 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 51 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 51 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 51.1 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 51.1 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 523 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 523 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 5.23K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 5.23 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 52.3K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 52.3 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 523K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 523 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 52.3 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 52.3 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 536 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 536 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 5.36K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 5.36 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 53.6K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 53.6 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 536K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 536 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 53.6 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 53.6 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 549 ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 549 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 5.49K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 5.49 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 54.9K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 54.9 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 549K ohm 1% 0.33W AEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000
Reel, Cut Tape, MouseReel WK73R 549 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