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| Part Number | ISC1812RQ271J | ISC1812RQ271K | ISC1812RQ471J | ISC1812RQ221J | ISC1812RQ270J |
|---|---|---|---|---|---|
| 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 | Ferrite | Ferrite | Ferrite |
| Inductance | 270 µH | 270 µH | 470 µH | 220 µH | 27 µH |
| Tolerance | ±5% | ±10% | ±5% | ±5% | ±5% |
| Current Rating (Amps) | 101 mA | 101 mA | 87 mA | 105 mA | 212 mA |
| Current - Saturation (Isat) | - | - | - | - | - |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 6.9Ohm Max | 6.9Ohm Max | 9.2Ohm Max | 6.3Ohm Max | 1.56Ohm Max |
| Q @ Freq | 40 @ 796kHz | 40 @ 796kHz | 40 @ 796kHz | 40 @ 796kHz | 50 @ 2.52MHz |
| Frequency - Self Resonant | 4MHz | 4MHz | 3.3MHz | 4.2MHz | 13MHz |
| 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 | 796 kHz | 796 kHz | 796 kHz | 796 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) |
