KF Series Low Impedance Capacitors
The KF Series Low Impedance Capacitors are designed for demanding applications in communication equipment, switching power supplies, and industrial measuring instruments. These capacitors offer extended load life of 2000 to 5000 hours at 105 and feature a safety vent construction. They are RoHS compliant, ensuring environmental responsibility.
Product Attributes
- Series: KF Series
- Compliance: RoHS Compliant
Technical Specifications
Performance Characteristics
| Specification | Value |
|---|---|
| Operating Temperature Range | -40 to +105 / -25 to +105 |
| Rated Voltage Range | 6.3 to 100 VDC / 160 to 450 VDC |
| Capacitance Range | 0.47 to 15000 F / 0.47 to 470 F |
| Capacitance Tolerance | 20% (at 120Hz, +20) |
| Leakage Current (max. at +20) | I0.01 CV or 3 (A) after 2 minutes (whichever is greater, with rated working voltage applied) / I0.03 CV (A) after 2 minutes (with rated working voltage applied) |
| Dissipation Factor (tan, at 20, 120Hz) | See table below. For capacitance >1000 F, add 2% per another 1000F. |
| Low Temperature Characteristics (at 120Hz) | Impedance ratio max. For capacitance >1000 F, add 0.5 for -25/+20 and 1 for -40/+20 per another 1000F. |
| Load Life Test Conditions | Duration: As specified. Ambient Temperature: +105. Applied Voltage: Rated DC working voltage. After test requirement at +20: Capacitance change 20% of initial value, Dissipation factor 200% of initial specified value, Leakage current Initial specified value. (160-450V: 2000hrs) |
| Shelf Life Test Conditions | Duration: 1000Hrs. Ambient Temperature: +105. Applied Voltage: None. After test requirement at +20: Same limits as Load life. |
| Pre-treatment for measurements | Application of DC working voltage for 30 minutes. |
Dissipation Factor (tan) (%)max.
| Working Voltage (VDC) | 6.3 to 100 | 160 to 450 |
|---|---|---|
| Values | 18, 16, 14, 12, 10, 9, 8, 8 | 12, 12, 12, 15, 15, 17, 17 |
Low Temperature Characteristics (Z-25/Z+20 and Z-40/Z+20)
| Working Voltage (VDC) | Z-25Z+20 | Z-40Z+20 | ||
|---|---|---|---|---|
| 6.3 to 100 | 160 to 450 | 6.3 to 100 | 160 to 450 | |
| Values | 4, 3, 3, 3, 3, 3, 2, 2 | 2, 2, 3, 5, 5, 6 | 8, 6, 4, 3, 3, 3, 3, 3 | 3, 6, 6, 6, 6, - |
Load Life
| Working Voltage (VDC) | Life hours |
|---|---|
| 6.3 to 100 | 2000, 3000, 5000 |
Dimensions and Specifications (Partial Data)
| Series | WV(SV) | Cap(F) | DxL(mm) | Ripple Current (mA, rms) at 105 100KHz (Max) | Max Impedance () at 20 100KHz |
|---|---|---|---|---|---|
| KF | 6.3 | 10 | 5x11 | 100 | 2.6 |
| KF | 6.3 | 120 | 5x11 | 175 | 0.92 |
| KF | 10 | 10 | 5x11 | 105 | 2.37 |
| KF | 10 | 120 | 6.3x11 | 250 | 0.75 |
| KF | 16 | 10 | 5x11 | 105 | 2.37 |
| KF | 16 | 120 | 6.3x11 | 250 | 0.75 |
| KF | 25 | 10 | 5x11 | 105 | 2.37 |
| KF | 25 | 120 | 6.3x11 | 250 | 0.75 |
| KF | 35 | 10 | 5x11 | 105 | 2.37 |
| KF | 35 | 120 | 6.3x11 | 250 | 0.75 |
| KF | 50 | 10 | 5x11 | 105 | 2.37 |
| KF | 50 | 120 | 6.3x11 | 250 | 0.75 |
| KF | 63 | 10 | 5x11 | 110 | 1.75 |
| KF | 63 | 120 | 6.3x11 | 380 | 0.33 |
| KF | 100 | 10 | 6.3x11 | 130 | 1.77 |
| KF | 100 | 120 | 10x16 | 620 | 0.13 |
| KF | 160 | 10 | 10x16 | 140 | 2.69 |
| KF | 160 | 120 | 10x16 | 620 | 0.13 |
| KF | 200 | 10 | 10x16 | 165 | 1.64 |
| KF | 200 | 120 | 16x25 | 740 | 0.28 |
| KF | 250 | 10 | 10x16 | 165 | 1.64 |
| KF | 250 | 120 | 16x25 | 740 | 0.28 |
| KF | 350 | 10 | 10x20 | 180 | 3.75 |
| KF | 350 | 120 | 16x31.5 | 830 | 0.26 |
| KF | 400 | 10 | 10x20 | 180 | 3.75 |
| KF | 400 | 120 | 16x31.5 | 830 | 0.26 |
| KF | 420 | 10 | 10x20 | 180 | 3.75 |
| KF | 420 | 120 | 16x31.5 | 830 | 0.26 |
| KF | 450 | 10 | 10x20 | 180 | 3.75 |
| KF | 450 | 120 | 16x31.5 | 830 | 0.26 |
Multiplier for Ripple Current vs. Frequency
| CAP(F) | Frequency(Hz) | |||||
|---|---|---|---|---|---|---|
| 50(60) | 120 | 400 | 1K | 10K | 50K-100K | |
| CAP10 | 0.47 | 0.59 | 0.76 | 0.85 | 0.97 | 1 |
| 10CAP100 | 0.52 | 0.62 | 0.80 | 0.89 | 0.97 | 1 |
| 100CAP1000 | 0.58 | 0.72 | 0.84 | 0.90 | 0.98 | 1 |
| 1000CAP | 0.63 | 0.78 | 0.87 | 0.91 | 0.98 | 1 |
Dimensions (unit:mm)
| Item | D | d | L | F | |
|---|---|---|---|---|---|
| Values | 5 - 22 | 0.5 - 10 | 11 - 41 | 2.0 - 10.0 | 1.5 - 2.0 |
2304140030_CapXon-KF681M050I200A_C59363.pdf
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