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| Part Number | SRR1280-121K | SRR1280-151K | SRR1280-181K | SRR1280-221K | SRR1280-821K | SRR1280A-121K | SRR1260-121K |
|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | - | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 120 µH | 150 µH | 180 µH | 220 µH | 820 µH | 120 µH | 120 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 1.95 A | 1.85 A | 1.75 A | 1.6 A | 700 mA | 1.95 A | 1.65 A |
| Current - Saturation (Isat) | 1.95A | 1.9A | 1.88A | 1.7A | 940mA | 1.95A | 1.65A |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 200mOhm Max | 270mOhm Max | 300mOhm Max | 400mOhm Max | 1.5Ohm Max | 200mOhm Max | 210mOhm Max |
| Q @ Freq | 16 @ 796kHz | 24 @ 796kHz | 24 @ 796kHz | 24 @ 796kHz | 20 @ 796kHz | 16 @ 796kHz | 26 @ 796kHz |
| Frequency - Self Resonant | 4.3MHz | 4.1MHz | 4MHz | 3.4MHz | 1.4MHz | 4.3MHz | 5.5MHz |
| Ratings | - | - | - | - | - | AEC-Q200 | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -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 | 1 kHz | 100 kHz |
| Features | - | - | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard |
| Supplier Device Package | - | - | - | - | - | 1280 | - |
| Size / Dimension | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) |
| Height - Seated (Max) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.256" (6.50mm) |
