| PartNumber | HM78D-755221MLFTR | HM78D-7552R2MLFTR | HM78D-755220MLFTR |
| Description | Coupled Inductors 220uH 20% SHLD SM COUPLED IND | Coupled Inductors 2.2uH 20% SHLD SM COUPLED IND | Coupled Inductors 22uH 20% |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics/BI Magnetics |
| Product Category | Coupled Inductors | Coupled Inductors | Arrays, Signal Transformers |
| Series | HM78D | HM78D | HM78D |
| Inductance Parallel | 220 uH | 2.2 uH | - |
| Inductance Series | 908 uH | 7.944 uH | - |
| Tolerance | 20 % | 20 % | ±20% |
| Maximum DC Current | 0.66 A | 7.06 A | 2.13 A |
| Maximum DC Resistance | 907 mOhms | 13 mOhms | 92.5 mOhms |
| Length | 7.7 mm | 7.7 mm | 7.7 mm |
| Width | 7.7 mm | 7.7 mm | 7.7 mm |
| Height | 4.8 mm | 4.8 mm | 0.189" (4.80mm) |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | Digi-ReelR Alternate Packaging |
| Product | Coupled Inductors | Coupled Inductors | Coupled Inductors |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Type | Surface Mount Coupled Inductor | Surface Mount Coupled Inductor | Surface Mount Coupled Inductor |
| Brand | BI Technologies / TT Electronics | BI Technologies / TT Electronics | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Coupled Inductors | Coupled Inductors | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Inductors, Chokes & Coils | Inductors, Chokes & Coils | - |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | Nonstandard |
| Operating Temperature | - | - | -40°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Size Dimension | - | - | 0.303" L x 0.303" W (7.70mm x 7.70mm) |
| Shielding | - | - | Shielded |
| Number of Coils | - | - | 2 |
| Inductance Connected In Series | - | - | 86.92μH |
| Inductance Connected In Parallel | - | - | 22μH |
| Current Rating Parallel | - | - | 1.75A |
| Current Rating Series | - | - | 874mA |
| Current Saturation Parallel | - | - | 2.13A |
| Current Saturation Series | - | - | 1.07A |
| DC Resistance DCR Parallel | - | - | 92.5 mOhm |
| DC Resistance DCR Series | - | - | 371 mOhm |
| Inductance Parallel | - | - | 22 uH |
| Inductance Series | - | - | 86.92 uH |