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V130CP20 Datasheet(PDF) 3 Page - Littelfuse |
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V130CP20 Datasheet(HTML) 3 Page - Littelfuse |
3 / 6 page 4-84 Power Dissipation Ratings Should transients occur in rapid succession, the average power dissipation required is simply the energy (watt- seconds) per pulse times the number of pulses per second. The power so developed must be within the specifications shown on the Device Ratings and Specifications table for the specific device. Furthermore, the operating values need to be derated at high temperatures as shown in Figure 1. Because varistors can only dissipate a relatively small amount of average power they are, therefore, not suitable for repetitive applications that involve substantial amounts of average power dissipation. 1. Device Leakage Current MODEL NUMBER PART SIZE LEAKAGE CURRENT AT VT(DC) 25oC 125oC IL TYP IL MAX IL TYP IL MAX VT(DC) ( µA) ( µA) ( µA) ( µA) (V) V8CP22 22B 0.5 5.0 5.0 50 8 V14CP22 22B 0.5 5.0 5.0 50 14 V31CP22 22B 0.5 5.0 5.0 50 28 V38CP22 22B 0.5 5.0 5.0 50 36 V130CP22 22A 0.5 5.0 25.0 100 130 V150CP22 22A 0.5 5.0 25.0 100 150 V31CP20 20B 0.5 5.0 5.0 50 28 V38CP20 20B 0.5 5.0 5.0 50 36 V130CP20 20A 0.5 5.0 25.0 100 130 V150CP20 20A 0.5 5.0 25.0 100 150 V38CP16 16A 0.5 5.0 5.0 50 36 V130CP16 16A 0.5 5.0 25.0 100 130 V150CP16 16A 0.5 5.0 25.0 100 150 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 AMBIENT TEMPERATURE (oC) FIGURE 1. CURRENT, ENERGY AND POWER DERATING CURVE FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM 100 90 50 10 O1 T T1 T2 TIME O1 = Virtual Origin of Wave T = Time From 10% to 90% of Peak T1 = Virtual Front time = 1.25 • t T2 = Virtual Time to Half Value (Impulse Duration) Example: For an 8/20 µs Current Waveform: 8 µs = T1 = Virtual Front Time 20 µs = T2 = Virtual Time to Half Value CP Series OBSOLETE PART |
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