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| PartNumber | HM78D-1210471MLFTR | HM78D-1210470MLFTR | HM78D-12104R7MLFTR |
| Description | Coupled Inductors 470uH 20% | Coupled Inductors 47uH 20% | Coupled Inductors 4.7uH 20% |
| Manufacturer | TT Electronics/BI Magnetics | TT Electronics/BI Magnetics | TT Electronics/BI Magnetics |
| Product Category | Arrays, Signal Transformers | Arrays, Signal Transformers | Arrays, Signal Transformers |
| Series | HM78D | HM78D | HM78D |
| Product | Coupled Inductors | Coupled Inductors | Coupled Inductors |
| Type | Surface Mount Coupled Inductor | Surface Mount Coupled Inductor | Surface Mount Coupled Inductor |
| 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 + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Height | 0.413" (10.50mm) | 0.413" (10.50mm) | 0.413" (10.50mm) |
| 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% | ±20% | ±20% |
| Shielding | Shielded | Shielded | Shielded |
| Number of Coils | 2 | 2 | 2 |
| Inductance Connected In Series | 1.88mH | 188μH | 18.8μH |
| Inductance Connected In Parallel | 470μH | 47μH | 4.7μH |
| Current Rating Parallel | 300mA | 1.9A | 3.25A |
| Current Rating Series | 150mA | 950mA | 1.625A |
| Current Saturation Parallel | 1.8A | 5.5A | 18A |
| Current Saturation Series | 900mA | 2.75A | 9A |
| DC Resistance DCR Parallel | 570 mOhm Max | 65 mOhm Max | 14 mOhm Max |
| DC Resistance DCR Series | 2.28 Ohm Max | 260 mOhm Max | 56 mOhm Max |
| Maximum DC Current | 1.8 A | 5.5 A | 18 A |
| Maximum DC Resistance | 570 mOhms | 65 mOhms | 14 mOhms |
| Inductance Parallel | 470 uH | 47 uH | 4.7 uH |
| Inductance Series | 1.88 mH | 188 uH | 18.8 uH |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
TT Electronics |
HM78D-1210471MLFTR | Coupled Inductors 470uH 20% | |
| HM78D-12104R7MLFTR | Coupled Inductors 4.7uH 20% | ||
| HM78D-1210470MLFTR | Coupled Inductors 47uH 20% |