Datenblatt-Suchmaschine für elektronische Bauteile |
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1N4728 Datenblatt(PDF) 2 Page - Motorola, Inc |
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1N4728 Datenblatt(HTML) 2 Page - Motorola, Inc |
2 / 9 page GENERAL DATA — 1–1.3 WATT DO-41 GLASS Motorola TVS/Zener Device Data 6-21 1–1.3 Watt DO-41 Glass Data Sheet Figure 2. Temperature Coefficients (–55 °C to +150°C temperature range; 90% of the units are in the ranges indicated.) a. Range for Units to 12 Volts b. Range for Units to 12 to 100 Volts +12 +10 +8 +6 +4 +2 0 –2 –4 2 3 4 5 6 7 8 9 10 11 12 VZ, ZENER VOLTAGE (VOLTS) 100 70 50 30 20 10 7 5 3 2 1 10 20 30 50 70 100 VZ, ZENER VOLTAGE (VOLTS) VZ @ IZT RANGE RANGE VZ @ IZT Figure 3. Typical Thermal Resistance versus Lead Length Figure 4. Effect of Zener Current 175 150 125 100 75 50 25 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 L, LEAD LENGTH TO HEAT SINK (INCHES) +6 +4 +2 0 –2 –4 3 4 5 6 7 8 VZ, ZENER VOLTAGE (VOLTS) VZ @ IZ TA = 25°C 20 mA 0.01 mA 1 mA NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: EFFECT TEMPERATURE COEFFICIENTS Figure 5. Maximum Surge Power 100 70 50 30 20 10 7 5 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 PW, PULSE WIDTH (ms) This graph represents 90 percentile data points. For worst case design characteristics, multiply surge power by 2/3. 11 V–100 V NONREPETITIVE 3.3 V–10 V NONREPETITIVE 5% DUTY CYCLE 10% DUTY CYCLE 20% DUTY CYCLE RECTANGULAR WAVEFORM TJ = 25°C PRIOR TO INITIAL PULSE |
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Ähnliche Beschreibung - 1N4728 |
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