| PartNumber | SRR1240-471K | SRR1240-470M | SRR1240-4R7M |
| Description | Fixed Inductors 470uH 10% SMD 1240 | Fixed Inductors 47uH 20% SMD 1240 | Fixed Inductors 4.7uH 20% SMD 1240 |
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Category | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| Series | SRR1240 | SRR1240 | SRR1240 |
| Product | Power Inductors | Power Inductors | Power Inductors |
| Type | Wirewound | Wirewound | Wirewound |
| Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Current Rating | 620mA | 2A | 6A |
| 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 | 4 mm | 4 mm | 4 mm |
| Length | 12.5 mm | 12.5 mm | 12.5 mm |
| Width | 12.5 mm | 12.5 mm | 12.5 mm |
| Package Case | 1240 | 1240 | 1240 |
| 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 | ±10% | ±20% | ±20% |
| Height Seated Max | 0.177" (4.50mm) | 0.177" (4.50mm) | 0.177" (4.50mm) |
| Ratings | - | - | - |
| Shielding | Shielded | Shielded | Shielded |
| Test Frequency | 0.796 MHz | - | - |
| Inductance | 470μH | 47μH | 4.7μH |
| DC Resistance DCR | 1.35 Ohm Max | 135 mOhm Max | 18 mOhm Max |
| Material Core | Ferrite | Ferrite | Ferrite |
| Current Saturation | 600mA | 1.8A | 5.6A |
| Q Freq | 12 @ 796kHz | 19 @ 2.52MHz | 16 @ 7.96MHz |
| Frequency Self Resonant | 4.5MHz | 13MHz | 33MHz |
| Frequency Test | 100kHz | 100kHz | 100kHz |
| Maximum DC Current | 620 mA | 2 A | 6 A |
| Maximum DC Resistance | 1.35 Ohms | 135 mOhms | 18 mOhms |
| Self Resonant Frequency | 4.5 MHz | 13 MHz | 33 MHz |
| Q Minimum | 12 | 19 | 16 |
| Part # Aliases | - | SRR1240-470M | SRR1240-4R7M |