Discrete POWER & Signal
Technologies
1N4933 - 1N4937
Features |
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• |
Low forward voltage drop. |
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1.0 min |
(25.4) |
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• High surge current capability. |
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Dimensions in |
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inches (mm) |
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High reliability. |
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0.205 |
(5.21) |
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DO-41 |
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0.160 |
(4.06) |
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High current capability. |
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COLOR BAND DENOTES CATHODE |
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0.107 |
(2.72) |
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0.080 |
(2.03) |
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0.034 (0.86) |
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1.0 Ampere Fast Recovery Rectifiers |
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0.028 |
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(0.71) |
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Absolute Maximum Ratings* TA = 25°C unless otherwise noted |
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Symbol |
Parameter |
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Value |
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Units |
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IO |
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Average Rectified Current |
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1.0 |
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A |
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.375 " lead length @ TA = 50°C |
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if(surge) |
Peak Forward Surge Current |
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8.3 ms single half-sine-wave |
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30 |
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A |
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Superimposed on rated load (JEDEC method) |
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PD |
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Total Device Dissipation |
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2.5 |
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W |
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Derate above 25°C |
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20 |
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mW/°C |
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RqJA |
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Thermal Resistance, Junction to Ambient |
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50 |
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°C/W |
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Tstg |
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Storage Temperature Range |
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-50 to +150 |
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°C |
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TJ |
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Operating Junction Temperature |
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-50 to +150 |
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°C |
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Electrical Characteristics |
TA = 25°C unless otherwise noted |
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Parameter |
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Device |
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Units |
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4933 |
4934 |
4935 |
4936 |
4937 |
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Peak Repetitive Reverse Voltage |
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50 |
100 |
200 |
400 |
600 |
V |
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Maximum RMS Voltage |
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35 |
70 |
140 |
280 |
420 |
V |
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DC Reverse Voltage |
(Rated VR) |
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50 |
100 |
200 |
400 |
600 |
V |
Maximum Reverse Current |
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μA |
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@ rated VR |
TA = 25°C |
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5.0 |
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TA = 100°C |
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100 |
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μA |
Maximum Reverse Recovery Time |
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150 |
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nS |
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IF = 0.5 A, IR = 1.0 A, IRR = 0.25 A |
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Maximum Forward Voltage @ 1.0 A |
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1.2 |
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V |
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Typical Junction Capacitance |
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12 |
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pF |
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VR = 4.0 V, f = 1.0 MHz |
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1N4937-1N4933
ã1999 Fairchild Semiconductor Corporation |
1N4933-1N4937, Rev. A |