Disk and washer resistors

High-energy resistors in solid disk and washer styles from 1.60 to 5.90 inches (40.6 to 150 mm) in diameter.

Product characteristics
Maximum temperature 230°C (446°F)
Maximum peak Voltage 5000 Volts
Contacts Brass metallization on faces
Recommended
contact pressure
25 psi minimum; 50-100 psi preferred
Power rating Dependent upon mounting and exposed surface area. In free air, parts will safely dissipate 2.5 watts per square inch of surface area at 40°C (104°F) ambient.
Resistance temperature
coefficient
0.0%/°C to -0.1%/°C
Product specifications
Type Style Inside diameter,
inches
Outside diameter,
inches
Thickness,
inches
Peak energy,
Joules
Available resistance,
Ohms
Min. Max.
911DS Solid disk - 1.60±0.06 1.000±0.040 9000 1.6 100
912DS Solid disk - 2.37±0.06 1.000±0.040 21000 0.7 90
913DS Solid disk - 3.00±0.08 1.000±0.040 33000 0.5 56
914DS Solid disk - 3.75±0.08 1.000±0.040 52500 0.3 36
913WS Washer 1.200±.060 3.00±0.08 1.000±0.040 27600 0.5 78
914WS Washer 1.300±.060 3.75±0.08 1.000±0.040 47000 0.3 36
915WS Washer 1.200±.060 4.37±0.08 1.000±0.040 65500 0.2 28
916WS Washer 1.200±.060 4.75±0.08 1.000±0.040 79500 0.2 24
917WS Washer 1.300±.060 5.00±0.08 1.000±0.040 80500 0.2 20
918WS Washer 1.300±.060 5.90±0.08 1.000±0.040 120000 0.1 13