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474K250RA4-FA PDF预览

474K250RA4-FA

更新时间: 2024-12-02 01:16:55
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4页 220K
描述
Radial PET Film Capacitors

474K250RA4-FA 数据手册

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Type RA Angstor® Radial PET Film Capacitors  
The RA style capacitor is constructed in an efficient rugged self-  
encased size. The non-inductive multilayer metallized polyester film  
capacitor features a small size, high dv/dt capability, very low ESR  
at high frequency and a self-healing capability. RA type capacitors  
are ideal for use in high frequency switching power supplies, noise  
suppression, EMI reduction and long-life applications.  
Highlights  
- Efficient size  
- Self healing  
- Low ESR/ESL  
- High dv/dt  
Specifications  
- Wave solderable  
Capacitance Range (at 1 kHz)  
0.1 to 10 µF  
Capacitance Tolerance  
Standard Tolerance ±10ꢀ ꢁ(), Optional ±±ꢀ ꢁJ) or ±ꢂ0ꢀ ꢁM)  
100, ꢂ±0, 400, ±00 Vdc  
Rated Voltage  
Operating Temperature Range  
Dissipation Factor (at 1 kHZ/25 ºC)  
Insulation Resistance  
–±± ºC to 1ꢂ± ºC  
≤1.0ꢀ  
≥1,000 MΩ x µF - Need not exceed 1,000 MΩ  
Test Voltage for 100 Vdc rating: 10 Vdc  
Test Voltage for >100 Vdc rating : 100 Vdc  
1.6 x rated VDC for ꢂ seconds max.  
Bold P.N.: 1.3 x rated VDC for 2 seconds max.  
ꢂ to 6 nh  
Dielectric Strength  
Self Inductance (typical)  
Temperature Range  
-±±° to +1ꢂ±°C at Rated DC Voltage  
Bold P.N.: -55° to +125°C  
ꢁderate voltage 1.ꢂ±ꢀ / °C above +8±°C)  
Apply 1.ꢂ± x the rated DC voltage for 1000 hours at +8±°C.  
After the test, the capacitance, DF, and IR should meet the following:  
Capacitance change: ≤ ±.0ꢀ  
Life Test:  
DF will meet the initial specification  
Insulation Resistance will meet the initial specification  
Subject the capacitor to +8±°C / 8±ꢀ RH for ꢂ1 days without voltage.  
After the test, the capacitance, DF, and IR should meet the following:  
Capacitance change: ≤ 7.0ꢀ  
Moisture Test:  
DF will meet the initial specification  
Insulation Resistance ≥ 30ꢀ of the initial limit  
After ꢂ years of storage in a standard environment.  
Capacitance change: ≤ꢂ.0ꢀ  
Long Term Stability :  
Vibration  
Mil Std ꢂ0ꢂ Method ꢂ04D  
Solder Resistance  
ꢂ60°C, ± sec.  
Capacitance change: ≤ ꢂ.0ꢀ  
Outline Drawing  
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830  

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