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| Part Number | SRR4028-270Y | SRR4028-470Y | SRR4028-271Y | SRR4018-270Y | SRR4028-220Y |
|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| 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 | 27 µH | 47 µH | 270 µH | 27 µH | 22 µH |
| Tolerance | ±30% | ±30% | ±30% | ±30% | ±30% |
| Current Rating (Amps) | 890 mA | 750 mA | 320 mA | 770 mA | 930 mA |
| Current - Saturation (Isat) | 600mA | 480mA | 180mA | 600mA | 720mA |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 200mOhm Max | 280mOhm Max | 1.5Ohm Max | 370mOhm Max | 185mOhm Max |
| Q @ Freq | 10.76 @ 2.52MHz | 10.88 @ 2.52MHz | 17.46 @ 796kHz | 7 @ 2.52MHz | 8.26 @ 2.52MHz |
| Frequency - Self Resonant | 18MHz | 13MHz | 5MHz | 23MHz | 23MHz |
| Ratings | - | - | - | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Inductance Frequency - Test | 100 kHz | 100 kHz | 100 kHz | 100 kHz | 100 kHz |
| Features | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 1919 (4848 Metric) | 1919 (4848 Metric) | 1919 (4848 Metric) | 1919 (4848 Metric) | 1919 (4848 Metric) |
| Supplier Device Package | - | - | - | - | - |
| Size / Dimension | 0.189" L x 0.189" W (4.80mm x 4.80mm) | 0.189" L x 0.189" W (4.80mm x 4.80mm) | 0.189" L x 0.189" W (4.80mm x 4.80mm) | 0.189" L x 0.189" W (4.80mm x 4.80mm) | 0.189" L x 0.189" W (4.80mm x 4.80mm) |
| Height - Seated (Max) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.079" (2.00mm) | 0.118" (3.00mm) |
