Varistor Metal Oxide Varistor Products Page 150 Varistor Metal-Oxide Varistor Products

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Radial Leaded Varistors > AUMOV Varistor Series AUMOV Varistor Series Device Ratings & Specifications cont... Epoxy Coated Models Phenolic Coated Models Size Disc Dia. (mm) Max Continuous Voltage Varistor Voltage at 1mA Maximum Clamping Voltage Max Peak Current (8 x 20 s 1 pulse) Energy Rating (2ms, 1 pulse) Energy (Load Dump, 10 pul ses)* Jump Start DC V jump (5 min) Typical Capaci- tance f = 1MHz Part Number (Base part) Branding Part Number (Base part) Branding V RMS V DC Min Nom Max V C I PK I TM W TM (V) (V) (V) (V) (V) (V) (A) (A) (J) (J) (V) (pF) V10E550AUTO 10E550A V10P550AUTO 10P550A 10 550 745 819 910 1001 1500 25 3500 98 - 100 V14E550AUTO 14E550A V14P550AUTO 14P550A 14 550 745 819 910 1001 1500 50 6500 210 - 180 V20E550AUTO 20E550A V20P550AUTO 20P550A 20 550 745 819 910 1001 1500 100 10000 450 - 300 V10E625AUTO 10E625A V10P625AUTO 10P625A 10 625 825 900 1000 1100 1650 25 3500 110 - 90 V14E625AUTO 14E625A V14P625AUTO 14P625A 14 625 825 900 1000 1100 1650 50 6500 235 - 160 V20E625AUTO 20E625A V20P625AUTO 20P625A 20 625 825 900 1000 1100 1650 100 10000 490 - 250 Current Energy and Power Dissipation Ratings 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 AMBIENT TEMPERATURE ( o C) PERCENT OF RATED VALUE Figure 1A - Power Derating for Epoxy Coated 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 AMBIENT TEMPERATURE ( o C) PERCENT OF RATED VALUE Figure 1B - Power Derating for Phenolic Coated and Silicone Coated t 1 t 2 100 50 0 O 1 TIME PERCENT OF PEAK VALUE t Peak Pulse Current Test Waveform for Clamping Voltage 0 1 = Virtual Origin of Wave t = Time from 10% to 90% of Peak t 1 = Virtual Front Time = 1.25 x t t 2 = Virtual Time to Half-Value (Impulse Duration) Example - For an 8/20 s Current Waveform: 8 s = t 1 = Virtual Front Time 20 s = t 2 = Virtual Time to Half-Value Figure 2: Peak Pulse Current Test Waveform for Clamping Voltage For applications exceeding 85C ambient temperature, the peak surge current and energy ratings must be reduced as shown below. For applications exceeding 125C ambient temperature, the peak surge current and energy ratings must be reduced as shown below. Note: 1. Average power dissipation of transients not to exceed 0.2W, 0.25W, 0.4W, 0.6W or 1W for model sizes 5mm, 7mm, 10mm, 14mm and 20mm, respectively. *2. Energy rating (auto load dump) for impulse duration of 40ms minimum to one half of peak current, 60sec interval ISO7637-2 pulse 5a and ISO16750-2 Table 5A. 3. The shift of Vnom ( Varistor Volatge ) may be to +/-15% for Load dump or Jump Start test. 4. The ratings and specifications of Silicone coated options are the same as the Phenolic coating, except the isolation voltage capability (Hi-Pot Encapsulation) is 2500V.

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