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| Part Number | IMC1812RQ270K | IMC1812RQ470K | IMC1812RQ271K | IMC1812RQ220K | IMC1812RQ270J |
|---|---|---|---|---|---|
| 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 | Iron Powder | Iron Powder | Ferrite | Iron Powder | Iron Powder |
| Inductance | 27 µH | 47 µH | 270 µH | 22 µH | 27 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±5% |
| Current Rating (Amps) | 170 mA | 140 mA | 92 mA | 180 mA | 170 mA |
| Current - Saturation (Isat) | - | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 3.6Ohm Max | 5Ohm Max | 12Ohm Max | 3.2Ohm Max | 3.6Ohm Max |
| Q @ Freq | 50 @ 2.52MHz | 50 @ 2.52MHz | 40 @ 790kHz | 50 @ 2.52MHz | 50 @ 2.52MHz |
| Frequency - Self Resonant | 12MHz | 10MHz | 4MHz | 13MHz | 12MHz |
| 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 | 2.52 MHz | 2.52 MHz | 790 kHz | 2.52 MHz | 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) |
