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| Part Number | ALF20C681EL500 | ALF20C681EL550 | ALF20C681DL500 |
|---|---|---|---|
| Manufacturer | KEMET | KEMET | KEMET |
| Product Status | Active | Active | Active |
| Capacitance | 680 µF | 680 µF | 680 µF |
| Tolerance | ±20% | ±20% | ±20% |
| Voltage - Rated | 500 V | 550 V | 500 V |
| ESR (Equivalent Series Resistance) | 200mOhm @ 100Hz | 514mOhm @ 100Hz | 244mOhm @ 100Hz |
| Lifetime @ Temp. | 18000 Hrs @ 85°C | 18000 Hrs @ 85°C | 15000 Hrs @ 85°C |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Polarization | Polar | Polar | Polar |
| Ratings | - | - | - |
| Applications | General Purpose | General Purpose | General Purpose |
| Ripple Current @ Low Frequency | 4.4 A @ 100 Hz | 3.87 A @ 100 Hz | 3.65 A @ 100 Hz |
| Ripple Current @ High Frequency | 7.77 A @ 10 kHz | 6.18 A @ 10 kHz | 6.45 A @ 10 kHz |
| Impedance | 140 mOhms | 450 mOhms | 178 mOhms |
| Lead Spacing | 0.886" (22.50mm) | 0.886" (22.50mm) | 0.886" (22.50mm) |
| Size / Dimension | 1.575" Dia (40.00mm) | 1.575" Dia (40.00mm) | 1.378" Dia (35.00mm) |
| Height - Seated (Max) | 3.228" (82.00mm) | 3.228" (82.00mm) | 3.228" (82.00mm) |
| Surface Mount Land Size | - | - | - |
| Mounting Type | Through Hole, Press-Fit | Through Hole, Press-Fit | Through Hole, Press-Fit |
| Package / Case | Radial, Can - Press-Fit - 4 Lead | Radial, Can - Press-Fit - 4 Lead | Radial, Can - Press-Fit - 4 Lead |
