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 |