Aumov LV Ultramov Varistor Design Guide Page 23 Varistor Design Guide For DC & Automotive Applications

DC Application Varistor Design Guide 2015 Littelfuse DC Application Varistor Design Guide www.littelfuse.com LV UltraMOV Varistor Series Specifications and Part Number Cross-References The following excerpt is from the LV UltraMOV Varistor Series datasheet. There is also a comparison of specifications for the LV UltraMOV Varistor Series vs. the Littelfuse ZA Series and another well-known MOV supplier. Model Number Size (mm) Max. Continuous Voltage Varistor Voltage at 1mA Max. Clamping Voltage Max. Peak Current (820s, 1 pulse) (A) Energy Rating (2ms, 1pulse) (J) Typical Capacitance f=1MHz (pF) Part Number (Base part) Branding Vrms (V) Vdc (V) Min (V) Nom (V) Max (V) Vc (V) Ipk (A) V05E17 5E17 5 17 22 24.3 27.0 29.7 53 1 500 1.4 950 V07E17 7E17 7 17 22 24.3 27.0 29.7 53 2.5 1000 2.8 2100 V10E40 10E40 10 40 56 61.2 68.0 74.8 135 5 2000 25 1850 V14E40 14E40 14 40 56 61.2 68.0 74.8 135 10 4000 50 4000 V20E40 20E40 20 40 56 61.2 68.0 74.8 135 20 8000 140 8500 Supplier X Standard Series Littelfuse ZA Series Littelfuse LV UltraMOV Varistor Series Diameter (mm) Vrms (V) Vdc (V) Imax (8/20)(A) Wmax (2ms)(J) Imax (8/20)(A) Imax (8/20)(A) Wmax (2ms)(J) 5 11~40 14~56 100 0.3~1.3 100 500 0.8~5 7 11~40 14~56 250 0.8~3.0 250 1000 2~11 10 11~40 14~56 500 1.7~6.4 500 2000 42~25 14 11~40 14~56 1000 3.2~13 1000 4000 8~50 20 11~40 14~56 2000 10~37 2000 8000 25~140 Supplier X Standard Series Littelfuse ZA Series Littelfuse LV UltraMOV Varistor Series Diameter (mm) Vrms (V) Vdc (V) Imax (8/20)(A) Wmax (2ms)(J) Imax (8/20)(A) Imax (8/20)(A) Wmax (2ms)(J) 5 50~95 65~125 400 1.8~3.4 400 800 5~9 7 50~95 65~125 1200 4.2~7.6 1200 1750 10~18 10 50~95 65~125 2500 8.4~15 2500 3500 20~36 14 50~95 65~125 4500 15~25 4500 6500 40~75 20 50~95 65~125 6500 27~50 6500 10000 80~150 LV UltraMOV Varistor Series Specifications and Part Number Cross-References 22

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