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| Part Number | SRR4028-3R3Y | SRR4028-3R9Y | SRR4018-3R3Y |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite |
| Inductance | 3.3 µH | 3.9 µH | 3.3 µH |
| Tolerance | ±30% | ±30% | ±30% |
| Current Rating (Amps) | 2.15 A | 1.72 A | 1.95 A |
| Current - Saturation (Isat) | 1.65A | 1.5A | 1.8A |
| Shielding | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 35mOhm Max | 60mOhm Max | 65mOhm Max |
| Q @ Freq | 7.72 @ 7.96MHz | 8.58 @ 7.96MHz | 8 @ 7.96MHz |
| Frequency - Self Resonant | 76MHz | 56MHz | 61MHz |
| Ratings | - | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Inductance Frequency - Test | 100 kHz | 100 kHz | 100 kHz |
| Features | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 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) |
| Height - Seated (Max) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.079" (2.00mm) |
