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BZW50-82B 데이터시트(PDF) 4 Page - STMicroelectronics |
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BZW50-82B 데이터시트(HTML) 4 Page - STMicroelectronics |
4 / 8 page Characteristics BZW50 4/8 Doc ID 2973 Rev 5 Figure 3. Peak power dissipation vs. initial junction temperature (printed circuit board) Figure 4. Peak pulse power vs. exponential pulse duration 0 0 20 40 60 80 100 20 40 60 80 100 120 140 160 180 200 % Tj initial(°C) 0.001 0.01 0.1 1 10 100 1E2 1E3 1E4 1E5 1E6 1E7 Pp (W) p tp(ms)EXPO. Tj initial(°C) Figure 5. Clamping voltage vs. peak pulse current(1) Figure 6. Capacitance vs. reverse applied voltage for unidirectional types (typical values). 1. The curves in Figure 5 are specified for a junction temperature of 25 °C before surge. The given results may be extrapolated for other junction temperatures by using the following formula: V BR = T x [Tamb -25] x VBR(25 °C) For intermediate voltages, extrapolate the given results. 0.1 1 10 100 1000 10000 10 100 1000 VCL Ipp (A) V (V) CL Ipp (A) BZW50-180 BZW50- 82 BZW50- 82 BZW50- 82 BZW50- 39 BZW50- 12 BZW50- 18 BZW50- 12 BZW50- 10 t %Ipp 100 50 0 t r t< 10 s r t t %Ipp 100 50 0 t r t< 10 s r tp Tj initial(°C) C(nF) 110 100 1 10 100 V(V) R BZW 50-39 BZW 50-82 BZW 50-18 0 BZW 50-10 BZW 50-18 0.1 500 Tj= 25 °C F = 1 MHz Figure 7. Capacitance vs. reverse applied voltage for bidirectional types (typical values) Figure 8. Peak forward voltage drop vs. peak forward current for unidirectional types (typical value).(1) 1. Multiply by 2 for units with VBR > 220 V. C(nF) 110 100 1 10 100 V(V) R 0.1 500 BZW 50-18 0B BZW 50-39B BZW 50-82B BZW 50-10B BZW 50-18B Tj= 25 °C F = 1 MHz |
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