Varistor Metal Oxide Varistor Products Page 141 Varistor Metal-Oxide Varistor Products

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Radial Lead Varistors > ZA Series Repetitive Surge Capability for 14mm Parts V18ZA3(P) - V68ZA10(P) V82ZA12(P) - V180ZA10(P) 200 100 50 20 10 5 1 2 20 100 1,000 10,000 IMPULSE DURATION ( s ) SURGE CURRENT (A) 1 2 15 10 2 10 4 10 5 10 6 10 3 INDEFINITE 1,000 500 MODEL SIZE 14mm V18ZA3(P) - V68ZA10(P) 5,000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 IMPULSE DURATION ( s ) SURGE CURRENT (A) 1 2 15 10 4 10 5 10 6 10 3 INDEFINITE 1,000 10 2 MODEL SIZE 14mm V82ZA12(P) - V180ZA10(P) V82ZA20(P) - V180ZA20(P) 10,000 1,000 100 20 IMPULSE DURATION ( s ) SURGE CURRENT (A) 5,000 10,000 2,000 500 100 20 10 2 1,000 200 50 1 5 1 2 15 10 2 10 3 10 4 10 5 10 6 INDEFINITE MODEL SIZE 20mm V120ZA20(P) - V180ZA20(P) V18ZA40(P) - V68ZA20(P) 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 IMPULSE DURATION ( s ) SURGE CURRENT (A) 1 2 15 1,000 10 2 10 3 10 4 10 5 10 6 INDEFINITE MODEL SIZE 20mm V18ZA40(P) - V68ZA20(P) NOTE: If pulse ratings are exceeded, a shift of V N(DC) (at specified current) of more then +/-10% could result. This type of shift, which normally results in a decrease of V N(DC) , may result in the device not meeting the original published specifications, but does not prevent the device from continuing to function, and to provide ample protection. Repetitive Surge Capability for 20mm Parts Figure 21 Figure 22 Figure 23 Figure 24

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