Case Metal Oxide Varistors

A Varistor (or voltage-dependant resistor) is a component that varies its electrical resistance as the applied voltage changes. At low voltage they have a high electrical resistance and at high voltage a low electrical resistance. In a system they are ideal for diverting surge voltages and spikes away from critical components.

Metal Oxide Varistors (MOVs) are made from zinc oxide and other metal oxides placed between two metal plates or contacts. The functions and applications of these components are similar to standard varistors.

  • High surge rating on short pulses
  • Fast response time pico-second range
  • Low standby (leakage) current
  • Cost effective for low average power applications
  • High clamping ratio
  • Board mountable, (Larger devices available)

Z33M Series
- 25000 A
- 130 to 1000 V
- 1.5 W, High Energy

Z80M Series
- 100000 A
- 130 to 1000 V
- 2.75 W, High Energy

Z40M Series
- 40000 A
- 130 to 1000 V
- 2 W, High Energy

Z60M Series
- 70000 A
- 130 to 1000 V
- 2.5 W, High Energy

Z33M Series

Part #Max. Continious Operating Voltage (AC)Max. Continious Operating Voltage (DC)Max. Peak Surge Current (A)Max. Power Dissipation (W)
Z33M20113017025000 1.5
Z33M24115020025000 1.5
Z33M27117522525000 1.5
Z33M33121027525000 1.5
Z33M36123030025000 1.5
Z33M39125032025000 1.5
Z33M43127535025000 1.5
Z33M47130038525000 1.5
Z33M51132041525000 1.5
Z33M62138550525000 1.5
Z33M68142056025000 1.5
Z33M75146061525000 1.5
Z33M78148564025000 1.5
Z33M82151067025000 1.5
Z33M91155074525000 1.5
Z33M95158076025000 1.5
Z33M10262582525000 1.5
Z33M11268089525000 1.5
Z33M12275097025000 1.5
Z33M142880115025000 1.5
Z33M1621000120025000 1.5

Z40M Series

Part #Max. Continious Operating Voltage (AC)Max. Continious Operating Voltage (DC)Max. Peak Surge Current (A)Max. Power Dissipation (W)
Z40M201130170400002
Z40M241150200400002
Z40M271175225400002
Z40M331215275400002
Z40M361230300400002
Z40M391250320400002
Z40M431275350400002
Z40M471300385400002
Z40M511320415400002
Z40M621385505400002
Z40M681420560400002
Z40M751460615400002
Z40M781485640400002
Z40M821510670400002
Z40M911550745400002
Z40M951580760400002
Z40M102625825400002
Z40M112680895400002
Z40M122750970400002
Z40M1428801150400002
Z40M16210001200400002

Z60M Series

Part #Max. Continious Operating Voltage (AC)Max. Continious Operating Voltage (DC)Max. Peak Surge Current (A)Max. Power Dissipation (W)
Z60M20113017570000 2.5
Z60M24115020070000 2.5
Z60M27117522570000 2.5
Z60M33121027570000 2.5
Z60M36123030070000 2.5
Z60M39125033070000 2.5
Z60M43127536970000 2.5
Z60M47130038570000 2.5
Z60M51132042070000 2.5
Z60M62138550570000 2.5
Z60M68142056070000 2.5
Z60M75148064070000 2.5
Z60M78148564070000 2.5
Z60M82151067570000 2.5
Z60M91157573070000 2.5
Z60M95158076070000 2.5
Z60M10266085070000 2.5
Z60M11268089570000 2.5
Z60M12275097070000 2.5
Z60M142880115070000 2.5
Z60M162900120070000 2.5
Z60M1821100140070000 2.5
Z60M2221400175070000 2.5
Z60M2721700215070000 2.5
Z60M3322000250070000 2.5
Z60M3922400300070000 2.5
Z60M4722800350070000 2.5

Z80M Series

Part #Max. Continious Operating Voltage (AC)Max. Continious Operating Voltage (DC)Max. Peak Surge Current (A)Max. Power Dissipation (W)
Z80M201130170100000 2.75
Z80M241150200100000 2.75
Z80M271175225100000 2.75
Z80M331210275100000 2.75
Z80M361230300100000 2.75
Z80M391250320100000 2.75
Z80M431275350100000 2.75
Z80M471300385100000 2.75
Z80M511320415100000 2.75
Z80M621385505100000 2.75
Z80M681420560100000 2.75
Z80M751460615100000 2.75
Z80M781485640100000 2.75
Z80M821510670100000 2.75
Z80M911550745100000 2.75
Z80M951575765100000 2.75
Z80M102625825100000 2.75
Z80M112680895100000 2.75
Z80M122750970100000 2.75
Z80M1428801150100000 2.75
Z80M16210001200100000 2.75
Z80M18211001400100000 2.75