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F1773-439-2 Datasheet(PDF) 9 Page - Vishay Siliconix |
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F1773-439-2 Datasheet(HTML) 9 Page - Vishay Siliconix |
9 / 11 page Document Number: 26507 For technical questions, contact: RFI@vishay.com www.vishay.com Revision: 23-Sep-08 9 F1773-2000 AC Capacitors, Suppression Capacitors Class X2 AC 253 V (MKT) - Axial Type Vishay Roederstein 4.12.3 Final measurements Visual examination Capacitance Tangent of loss angle Voltage proof 1200 Vdc; 1 min between terminations Insulation resistance No visible damage Legible marking | ΔC/C| ≤ 5 % of the value measured in 4.12.1. Increase of tan δ: ≤ 0. 008 for: C ≤ 1 µF or ≤ 0. 005 for: C > 1 µF Compared to values measured in 4.12.1. No permanent breakdown or flash-over ≥ 50 % of values specified in section “Insulation resistance” of this specification SUB-GROUP C3 4.13.1 Initial measurements Capacitance Tangent of loss angle: For C ≤ 1 µF at 10 kHz or for C > 1 µF at 1 kHz 4.13 Impulse voltage 3 successive impulses, full wave, peak voltage: X2: 2.5 kV for C ≤ 1 µF X2: 2.5 kV/ √C for C > 1 µF Max. 24 pulses No self healing breakdowns or flashover 4.14 Endurance Duration: 1000 h 1.25 x URac at 100 °C for C ≤ 1 µF 1.25 x URac at 85 °C for C > 1 µF Once in every hour the voltage is increased to 1000 VRMS for 0.1 s via resistor of 47 Ω ± 5 % 4.14.7 Final measurements Visual examination No visible damage Legible marking Capacitance | ΔC/C| ≤ 10 % compared to values measured in 4.13.1. Tangent of loss angle Increase of tan δ: ≤ 0.008 for: C ≤ 1 µF or ≤ 0.005 for: C > 1 µF Compared to values measured in 4.13.1. Voltage proof 1200 Vdc; 1 min between terminations 2000 Vac; 1 min between terminations and case No permanent breakdown or flash-over Insulation resistance ≥ 50 % of values specified in section “Insulation resistance” of this specification SUB-GROUP C4 4.15 Charge and discharge 10 000 cycles Charged to 350 Vdc Discharge resistance: 4.15.1 Initial measurements Capacitance Tangent of loss angle: For C ≤ 1 µF at 10 kHz or for C > 1 µF at 1 kHz SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS R 350 Vdc 2 x C (dU/dt) ---------------------------------- = |
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