| PartNumber | SRF1280-820M | SRF1280-8R2Y | SRF1280-821M |
| Description | Coupled Inductors 82uH 20% SMD 1280 | Coupled Inductors 8.2uH 30% SMD 1280 | Coupled Inductors 820uH 20% SMD 1280 |
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Category | Arrays, Signal Transformers | Arrays, Signal Transformers | Arrays, Signal Transformers |
| Series | SRF1280 | SRF1280 | SRF1280 |
| Product | SMD Power Inductors | SMD Power Inductors | SMD Power Inductors |
| Type | Dual-Winding Shielded Power Inductors | Dual-Winding Shielded Power Inductors | Dual-Winding Shielded Power Inductors |
| Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Height | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.315" (8.00mm) |
| Length | 12.5 mm | 12.5 mm | 12.5 mm |
| Width | 12.5 mm | 12.5 mm | 12.5 mm |
| Package Case | Nonstandard | Nonstandard | Nonstandard |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| 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) |
| Tolerance | ±20% | ±30% | ±20% |
| Shielding | Shielded | Shielded | Shielded |
| Number of Coils | 2 | 2 | 2 |
| Inductance Connected In Series | 328μH | 32.8μH | 3.28mH |
| Inductance Connected In Parallel | 82μH | 8.2μH | 820μH |
| Current Rating Parallel | 2.09A | 6.32A | 650mA |
| Current Rating Series | 1.04A | 3.16A | 325mA |
| Current Saturation Parallel | 4.06A | 12.2A | 1.27A |
| Current Saturation Series | 2.03A | 6.09A | 633mA |
| DC Resistance DCR Parallel | 153 mOhm Max | 19.1 mOhm Max | 1.632 Ohm Max |
| DC Resistance DCR Series | 578 mOhm Max | 71.4 mOhm Max | 5.896 Ohm Max |
| Maximum DC Current | 2.09 A | 6.32 A | 650 mA |
| Maximum DC Resistance | 153 mOhms | 19.1 mOhms | 1.632 Ohms |
| Core Material | Ferrite | Ferrite | Ferrite |
| Inductance Parallel | 82 uH | 8.2 uH | 820 uH |
| Inductance Series | 328 uH | 32.8 uH | 3280 uH |