MDE Semiconductor, Inc. Circuit Protection Products 78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 • Fax: 760-564-2414 1-800-831-4881 Email: [email protected] Web: www.mdesemiconductor.com Metal Oxide Varistors High Energy Disc Varistor Series Metal Oxide Disc Varistors Features The Disc Varistor Series of transient surge suppressors are industrial high-energy disc varistors (MOVs) intended for special applications requiring unique electrical contact or packaging methods provided by the customer. The electrode finish of these devices is solderable and can also be used with pressure contacts. Disc of the same diameter can be stacked. • Provided in Disc Form For Unique Packing by Customer This series of industrial disc varistors are available in five diameter sizes of 20, 25, 32, 40, and 53, with disc thickness ranging from 1.8mm to 32mm maximum. They offer a wide voltage range from 130 to 750 VM(AC)RMS • Solderable Electrode Finish Options • Pressure Contacts and/or Disc Stacking May Be Utilized • Standard Disc Sizes 20mm, 25mm, 32mm, 40mm, and 53mm diameter • Available Edge Passivation Insulation • Wide Operating Voltage Range Vm(ac)rms 130V to 750V. • High Peak Pulse Current Range ITM 20,000A to 70,000A • Very High Energy Capability W TM 200J to 1,800J • No Derating Up to 85ºC Ambient. Model Size 20 25 32 40 53 Disc Diameter Millimeters Max Min 22.0 20.0 24.0 26.0 31.0 33.0 38.0 40.0 51.0 53.0 Inches Min Max 0.797 0.810 0.945 1.026 1.220 1.299 1.496 1.575 2.008 2.090 9/5/01 MDE Semiconductor, Inc. Circuit Protection Products 78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 • Fax: 760-564-2414 1-800-831-4881 Email: [email protected] Web: www.mdesemiconductor.com Metal Oxide Varistors High Energy Square Disc Varistor Series Metal Oxide Square Disc Varistors Features The Square Disc Series of transient surge suppressors are varistors (MOVs) in square disc form, intended for special industrial high-energy applications requiring unique electrical contact or packaging methods provided by the customer. The electrode finish of these devices is solderable and can also be used with pressure contacts. Disc may also be stacked. • Provided in Disc Form For Unique Packing by Customer The square series varistors are 25mm and 34mm devices, with thicknesses ranging from 1.8mm minimum for the 130V device to 7.5mm maximum for the 750V device. • Solderable Electrode Finish Options • Pressure Contacts and/or Disc Stacking May Be Utilized • Wide Operating Voltage Range VM(AC)RMS 130V to 750V. • Peak Pulse Current Capability ITM 40,000A • High Energy Capability W TM 310J to 1200J • No Derating Up to 85ºC Ambient. Model Size 25 34 Disc Diameter Millimeters Max Min 25.4 24.7 33.7 34.4 Inches Min Max 0.972 1.001 1.327 1.357 9/5/01