Product Overview
The KM Series capacitors are designed for high-reliability applications, particularly in communication equipment and switching power supplies. They feature a safety vent construction for enhanced safety and are RoHS compliant. These capacitors offer a wide range of operating temperatures, voltage ratings, and capacitance values, making them versatile for various industrial needs. The series provides excellent performance characteristics, including low dissipation factor and stable impedance at low temperatures, ensuring reliable operation under demanding conditions. Load life and shelf life tests confirm their durability and long-term stability.
Product Attributes
- Brand: KM Series
- Compliance: RoHS Compliant
- Safety Feature: Safety vent construction design
Technical Specifications
| Item | Specification |
|---|---|
| Operating Temperature Range | -40 to +105 / -25 to +105 |
| Rated Voltage Range | 6.3 to 100 VDC / 160 to 450 VDC |
| Capacitance Range | 0.1 to 22000 F / 0.47 to 470 F |
| Capacitance Tolerance | 20% (120Hz, +20) |
| Leakage Current (max.) | I0.01 CV or 3 A (After 1 min, rated working voltage) / I0.03 CV A (After 1 min, rated working voltage) |
| Dissipation Factor (tan, 20, 120Hz) | Varies by capacitance and voltage. For capacitance >1000F, add 2% per another 1000F. |
| Low Temperature Characteristics (at 120Hz) | Impedance ratio max. For Capacitance >1000F, add 0.5 per another 1000F for -25+20; add 1 per another 1000F for -40+20. |
| Load Life Test | 2000Hrs @ +105, Rated DC working voltage. Capacitance change: 20%; Dissipation factor: 200%; Leakage current: Initial specified value. |
| Shelf Life Test | 1000Hrs @ +105, No applied voltage. Limits same as Load life. |
| Pre-treatment for measurements | DC working voltage applied for 30 minutes. |
Dimensions (unit:mm)
| D < 18 | D = 18 | D > 18 | L < 35.5 | L 35.5 |
|---|---|---|---|---|
| 1.5 | 1.5 | 2.0 | 2.0 | 2.0 |
Multiplier for Ripple Current vs. Frequency
| CAP(F) | Frequency(Hz) 50(60) | 120 | 400 | 1K | 10K | 50K-100K |
|---|---|---|---|---|---|---|
| CAP10 | 0.8 | 1 | 1.30 | 1.45 | 1.65 | 1.70 |
| 10CAP100 | 0.8 | 1 | 1.23 | 1.36 | 1.48 | 1.53 |
| 100CAP1000 | 0.8 | 1 | 1.16 | 1.25 | 1.35 | 1.38 |
| 1000CAP | 0.8 | 1 | 1.11 | 1.17 | 1.25 | 1.28 |
Ripple Current (mA, rms) at 105, 120Hz
(Note: Full table data for Ripple Current vs. WV(SV) and Cap(F) is extensive and presented in the original datasheet. Key examples below.)
| WV (SV) | Cap (F) | Size DxL(mm) | Ripple (mA, rms) |
|---|---|---|---|
| 6.3 (8) | 4.7 | 5X11 | 26 |
| 10 (13) | 10 | 5X11 | 35 |
| 100 (125) | 100 | 5X11 | 96 |
| 450 (500) | 0.47 | 6.3X11 | 14 |
| 450 (500) | 10 | 10X20 | 92 |
2311061641_CapXon-KM680M400K210A_C19189650.pdf
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