Specifications
Electrical specifications at 25C.
For Flyback Applications
| Part number 1 (Hover for schematics) | Inductance (H) 2 (Tolerance: ±,10%) | DCR max (Ω) 3 | Isolation Voltage (V) | Leakage Inductance (H) 5 | Turns Ratio |
|---|---|---|---|---|---|
| MSD1278T-124KL_ | 120 | 0.41 | 500 | 1.3 | 1 : 1 |
For SEPIC Applications
| Part number 1 (Hover for schematics) | Inductance (H) 2 (Tolerance: ±,10%) | DCR max (Ω) 3 | SRF typ (MHz) 4 | Coupling coefficient | Leakage Inductance (H) 5 | Isat (A) 6 | Irms (A) | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 10% drop | 20% drop | 30% drop | both windings 7 | one winding 8 | ||||||
| MSD1278T-124KL_ | 120 | 0.41 | 4.3 | 0.99 | 1.3 | 2.6 | 2.9 | 3.2 | 0.96 | 1.4 |






