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DE2E3E2102KA2A 数据表(PDF) 63 Page - Murata Manufacturing Co., Ltd. |
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DE2E3E2102KA2A 数据表(HTML) 63 Page - Murata Manufacturing Co., Ltd. |
63 / 83 page C85E.pdf Jul.13,2011 Due to the low self-heating characteristics of low- dissipation capacitors, the allowable electric power of these capacitors is generally much higher than that of B characteristic capacitors. However, if the self-heating temperature is 20 °C under a high-frequency voltage whose peak-to-peak value equals the capacitor's rated voltage, the capacitor's power consumption may exceed its allowable electric power. Therefore, when using the DEA/DEC (SL Char.) /DEH /DES series in a high-frequency and high-voltage circuit with a frequency of 1kHz or higher, make sure that the Vp-p values including the DC bias, do not exceed the applied voltage value specified in Table 1. Also make sure that the self-heating temperature (the difference between the capacitor's surface temperature and the capacitor's ambient temperature) at an ambient temperature of 25 °C does not exceed the value specified in Table 1. As shown in Fig. 2, the self-heating temperature depends on the ambient temperature. Therefore, if you are not able to set the ambient temperature to approximately 25 °C, please contact our sales representatives or product engineers. We are offering free software, The Capacitor Selection Tool: by Voltage Form, which will assist you in selecting a suitable capacitor. The software can be downloaded from Murata's Web site (http://www.murata.com/products/design_support/mmcsv/ index.html). By inputting capacitance values and applied voltage waveform of the specific capacitor series, this software will calculate the capacitor's power consumption and list suitable capacitors. When the result of this software is different from the measurement result of the self-heating temperature on your side, please contact our sales representatives or product engineers. FAILURE TO FOLLOW THE ABOVE CAUTIONS (ITEMS 1 TO 4) MAY RESULT, WORST CASE, IN A SHORT CIRCUIT AND CAUSE FUMING OR PARTIAL DISPERSION WHEN THE PRODUCT IS USED. 4. Load Reduction and Self-generated Heat During Application of High-frequency and High-voltage <Table 1> Allowable Conditions at High frequency <Fig. 1> Relationship Between Applied Voltage and Self-heating Temperature (Allowable Self-heating Temp. at 25 °C Ambient Temp.) Allowable Conditions at High-frequency *3 Series Temp. Char. DC Rated Voltage Applied Voltage (Max.) Self-heating Temp. (25 °C Ambient Temp.) *1 Capacitor's Ambient Temp. *2 DEH DEA C R SL 500V 1kV 2kV 3.15kV 1kV 2kV 3.15kV 500Vp-p 800Vp-p 1000Vp-p 1400Vp-p 2000Vp-p 1600Vp-p 3150Vp-p 1000Vp-p 2000Vp-p 3150Vp-p 20 °C Max. 20 °C Max. 5 °C Max. 20 °C Max. 5 °C Max. 20 °C Max. 5 °C Max. 5 °C Max. 6.3kV 6300Vp-p DEC SL 5 °C Max. DES D 500V 500Vp-p 15 °C Max. 1kV 800Vp-p 1000Vp-p 5 °C Max. -25 to +85 °C DEH Series R Char. (Rated Voltage: DC1kV to 3.15kV) 0 5 10 15 20 25 100 1000 10000 Applied Voltage (Vp-p) Rated Voltage: 1kV 2kV 3.15kV *1 Fig. 1 shows the relationship between the applied voltage and the allowable self- heating temperature regarding 1 to 3.15kV rated voltage of the DEH series R characteristic and 1kV rated voltage of the DES series D characteristic. *2 When the ambient temperature is 85 to 125 °C, the applied voltage needs to be further reduced. If the DEA/DEH/DES series needs to be used at an ambient temperature of 85 to 125 °C, please contact our sales representatives or product engineers. *3 Fig. 3 shows reference data on the allowable voltage - frequency characteristics for a sine wave voltage. DES Series D Char. (Rated Voltage: DC1kV) 0 5 10 15 20 25 100 1000 10000 Applied Voltage (Vp-p) Rated Voltage: DC1kV Continued from the preceding page. Continued on the following page. High Voltage Ceramic Capacitors !Caution 61 11 !Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. |
类似零件编号 - DE2E3E2102KA2A |
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类似说明 - DE2E3E2102KA2A |
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