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MR751 Datasheet(PDF) 2 Page - Motorola, Inc |
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MR751 Datasheet(HTML) 2 Page - Motorola, Inc |
2 / 6 page MR750 MR751 MR752 MR754 MR756 MR758 MR760 2 Rectifier Device Data Figure 1. Forward Voltage Figure 2. Maximum Surge Capability Figure 3. Forward Voltage Temperature Coefficient Figure 4. Typical Transient Thermal Resistance 1.8 2.4 0.6 vF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 700 500 20 50 10 5.0 2.0 1.0 1.2 0.8 1.0 1.4 1.6 2.0 2.2 2.6 7.0 100 70 0.2 0.5 0.7 200 30 3.0 0.3 300 MAXIMUM TYPICAL TJ = 25°C NUMBER OF CYCLES AT 60 Hz 100 1.0 300 100 80 60 2.0 5.0 10 20 50 200 400 600 TJ = 175°C 25 °C VRRM MAY BE APPLIED BETWEEN EACH CYCLE OF SURGE. THE TJ NOTED IS TJ PRIOR TO SURGE iF, INSTANTANEOUS FORWARD CURRENT (AMP) 1.0 0.2 +0.5 0 –0.5 –1.0 –1.5 –2.0 2.0 10 20 100 200 0.5 5.0 50 TYPICAL RANGE t, TIME (SECONDS) 1.0 10 1.0 0.2 2.0 5.0 10 20 50 5.0 20 3.0 2.0 0.5 0.3 0.1 0.2 0.3 0.5 0.7 3.0 30 7.0 70 Both leads to heat sink, with lengths as shown. Variations in RqJL(t) below 2.0 seconds are independent of lead connections of 1/8 inch or greater, and vary only about ±20% from the values shown. Values for times greater than 2.0 seconds may be obtained by drawing a curve, with the end point (at 70 seconds) taken from Figure 8, or calculated from the notes, using the given curves as a guide. Either typical or maximum values may be used. For RqJL(t) values at pulse widths less than 0.1 second, the above curve can be extrapolated down to 10 µs at a continuing slope. 175 °C 25 °C 1/2” 3/8” 1/4” 1/8” HEAT SINK L L |
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