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| Part Number | IMC1812ER821J | IMC1812ER821K | IMC1812ER121J | IMC1812ER221J | IMC1812ER820J |
|---|---|---|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale | Vishay Dale | Vishay Dale | Vishay Dale |
| Product Status | Active | Active | Active | Active | Active |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Iron Powder | Ferrite | Iron Powder |
| Inductance | 820 µH | 820 µH | 120 µH | 220 µH | 82 µH |
| Tolerance | ±5% | ±10% | ±5% | ±5% | ±5% |
| Current Rating (Amps) | 30 mA | 30 mA | 110 mA | 100 mA | 120 mA |
| Current - Saturation (Isat) | - | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 35Ohm Max | 35Ohm Max | 8Ohm Max | 10Ohm Max | 7Ohm Max |
| Q @ Freq | 30 @ 790kHz | 30 @ 790kHz | 40 @ 790kHz | 40 @ 790kHz | 50 @ 2.52MHz |
| Frequency - Self Resonant | 2.5MHz | 2.5MHz | 6MHz | 4MHz | 8MHz |
| Ratings | - | - | - | - | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Inductance Frequency - Test | 790 kHz | 790 kHz | 790 kHz | 790 kHz | 2.52 MHz |
| Features | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 1812 (4532 Metric) | 1812 (4532 Metric) | 1812 (4532 Metric) | 1812 (4532 Metric) | 1812 (4532 Metric) |
| Supplier Device Package | 1812 | 1812 | 1812 | 1812 | 1812 |
| Size / Dimension | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) |
| Height - Seated (Max) | 0.134" (3.40mm) | 0.134" (3.40mm) | 0.134" (3.40mm) | 0.134" (3.40mm) | 0.134" (3.40mm) |
