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BZW50-39B Datasheet(PDF) 2 Page - STMicroelectronics |
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BZW50-39B Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 8 page Characteristics BZW50 2/8 Doc ID 2973 Rev 5 1 Characteristics Figure 1. Electrical characteristics - definitions Figure 2. Pulse definition for electrical characteristics Table 1. Absolute maximum ratings (Tamb = 25 °C) Symbol Parameter Value Unit PPP Peak pulse power dissipation(1) Tj initial = Tamb 5000 W P Power dissipation on infinite heatsink Tamb = 75 °C 6.5 W IFSM Non repetitive surge peak forward current for unidirectional types tp = 10 ms Tj initial = Tamb 500 A Tstg Storage temperature range -65 to + 175 °C Tj Maximum operating junction temperature 175 °C TL Maximum lead temperature for soldering during 10 s at 5 mm from case. 260 °C 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Table 2. Thermal resistances Symbol Parameter Value Unit Rth(j-l) Junction to leads 15 °C/W Rth(j-a) Junction to ambient on printed circuit. L lead = 10 mm 65 V CLVBR VRM I RM I R I PP V I I RM I R I PP V RMVBR VCL V CLVBR VRM I RM I R I PP V I I RM I R I PP V RMVBR VCL V CL VBR VRM I RM I R I PP V I I F V F V CL VBR VRM I RM I R I PP V I I F V F Unidirectional Bidirectional Symbol Parameter V Stand-off voltage V Breakdown voltage V Clamping voltage I Leakage current @ V I Peak pulse current T Voltage temperature coefficient V Forward voltage drop R Dynamic resistance RM BR CL RM RM PP F D α Repetitive pulse current tr = rise time (µs) tp = pulse duration time (µs) tr tp |
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