Varistor Metal Oxide Varistor Products Page 139 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 Maximum Clamping Voltage for 20mm Parts V18ZA20(P) - V36ZA80(P) Repetitive Surge Capability for 5mm Parts V39ZA20(P) - V180ZA20(P) V8ZA05P - V12ZA05P V18ZA05(P) - V68ZA05(P) V82ZA05(P) - V750ZA05(P) 300 200 100 90 80 70 60 50 40 30 20 MAXIMUM PEAK VOLTS (V) PEAK AMPERES (A) 10 -2 10 -1 10 0 10 1 10 2 10 3 10 -3 10 4 MAXIMUM CLAMPING VOLTAGE MODEL SIZE 20mm 18 TO 36V N(DC) RATING T A = -55 o C TO 85 o C V36ZA20(P) V36ZA80(P) V33ZA20(P) V33ZA70(P) V27ZA60(P) V27ZA60(P) V24ZA50(P) V24ZA50(P) V18ZA40P(P) V18ZA40P(P) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 1,000 500 300 200 30 PEAK AMPERES (A) MAXIMUM PEAK VOLTS (V) V56ZA20(P) V47ZA20(P) V39ZA20(P) MAXIMUM CLAMPING VOLTAGE MODEL SIZE 20mm T A = -55 o C TO 85 o C 39 TO 180V M(AC) RATING V180ZA20(P) V150ZA20(P) V120ZA20(P) 100 50 V68ZA20(P) V82ZA20(P) V100ZA20(P) G S G C G C S O 50 20 10 5 2 1 0.5 0.2 0.1 SURGE CURRENT (A) 20 100 1,000 10,000 IMPULSE DURATION ( s) 1 10 2 10 3 INDEFINITE 10 4 10 5 10 6 MODEL SIZE 5mm V8ZA05(P) FIGURE 15 SURGE CURRENT RATING CURVES FOR 100 50 20 10 2 1 0.5 0.2 0.1 SURGE CURRENT (A) 20 100 1,000 10,000 INDEFINITE 10 4 10 5 10 6 MODEL SIZE 5mm V12ZA05(P) - V68ZA05(P) 1 15 10 2 10 3 IMPULSE DURATION ( s) 50 20 10 5 2 1 0.5 0.2 SURGE CURRENT (A) 20 100 1,000 10,000 IMPULSE DURATION ( s ) 1 15 10 2 10 3 INDEFINITE 10 4 10 5 10 6 MODEL SIZE 5mm V82ZA05(P) - V750ZA05(P) 500 200 100 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15

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