Phone: 86-29-88685333
Mobile: 86-13620067891
E-mail: fks@fks-coils.com
Add：C2 Building, Western Cloud Valley, Fengxi New Town, Xixian New Area, Xi'an City, Shaanxi Province, China
Mobile: 86-13620067891
E-mail: fks@fks-coils.com
Add：C2 Building, Western Cloud Valley, Fengxi New Town, Xixian New Area, Xi'an City, Shaanxi Province, China
FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Time: 2024-05-22 Source: Author:
| Order Code | VIN | VOut1 (V) |
IOut1 (A) |
VOut2 (V) |
IOut2 (A) |
VOut3 (V) |
IOut3 (A) |
VOut4 (V) |
IOut4 (A) |
Vaux (V) |
L (µH) |
n | ISAT (A) |
LS (µH) |
VT (V(AC)) |
Size | IC Reference |
| FKS750370042 | 5 V (DC) | 5 | 0.1 | 5 | 0.1 | – | – | – | – | 5 | 15 | 1:1:1:1 | 1.5 | 0.6 | 1500 | ER9.5 | LT3573 |
| FKS750311691 | 8 - 15 V (DC) | 150 | 0.001 | – | – | – | – | – | – | – | 60 | 1:5 | 0.25 | 1 | 1500 | EP5 | LT3748 |
| FKS750311692 | 8 - 15 V (DC) | 150 | 0.001 | -150 | 0.001 | – | – | – | – | – | 80 | 1:5:5 | 1 | 2 | 1500 | EP7 | LT3748 |
| FKS750311856 | 8 - 24 V (DC) | 15 | 0.15 | 15 | 0.15 | 15 | 0.15 | 15 | 0.15 | – | 3.8 | 1:1:4:4:4:4 | 12 | 0.4 | 1500 | EP13 | LT3575 & LT3748 |
| FKS750311911 | 8 - 24 V (DC) | 15 | 0.2 | 15 | 0.2 | 15 | 0.2 | 15 | 0.2 | 5 | 6.78 | 1:3:3:3:3:1 | 13 | 0.2 | 1500 | EE20/10/6 | LT3748 |
| FKS750310471 | 9 - 30 V (DC) | 5 | 2 | – | – | – | – | – | – | 5 | 25 | 3:1:1 | 2.6 | 0.43 | 1500 | EP10 | LT3573 & LT3575 |
| FKS750311675 | 9 - 30 V (DC) | 5 | 2 | – | – | – | – | – | – | 5 | 25 | 3:1:1 | 2.5 | 0.25 | 1500 | EP10 | LT3573 & LT3575 & LT3748 |
| FKS750311306 | 9 - 36 V (DC) | 12 | 1 | – | – | – | – | – | – | 8 | 100 | 3:1:0.667 | 1.65 | 3 | 1500 | EP10 | LT3575 |
| FKS750311308 | 9 - 36 V (DC) | 24 | 0.5 | – | – | – | – | – | – | 8 | 100 | 1:1:0.333 | 2.1 | 3 | 1500 | EP10 | LT3574 & LT3575 |
| FKS750310617 | 9 - 36 V (DC) | 12 | 3 | – | – | – | – | – | – | 12 | 4.5 | 1:1.16:1.16 | 14 | 0.15 | 1875 | EFD20 | LT3748 |
| FKS750370059 | 10 - 30 V (DC) | 5 | 1 | – | – | – | – | – | – | 5 | 50 | 3:1:1 | 1.6 | 1 | 1500 | EP7 | LT3573 |
| FKS750370041 | 10 - 30 V (DC) | 5 | 1 | – | – | – | – | – | – | 5 | 50 | 3:1:1 | 1.6 | 1 | 1500 | EP7 | LT3574 & LT3573 |
| FKS750370040 | 10 - 30 V (DC) | 5 | 1 | – | – | – | – | – | – | 5 | 30 | 3:1:1 | 1.7 | 1 | 1500 | EP7 | LT3574 & LT3573 |
| FKS750370047 | 10 - 30 V (DC) | 5 | 1 | – | – | – | – | – | – | 5 | 30 | 3:1:1 | 1.7 | 1 | 1500 | EP7 | LT3574 & LT3573 |
| FKS750370058 | 10 - 30 V (DC) | 15 | 0.4 | – | – | – | – | – | – | 5 | 25 | 1:1:0.33 | 2 | 0.3 | 1500 | EP7 | LT3573 |
| FKS750310799 | 10 - 30 V (DC) | 15 | 0.4 | – | – | – | – | – | – | 5 | 25 | 1:1:0.33 | 2 | 0.125 | 1500 | EP7 | LT3573 |
| FKS750311567 | 10 - 40 V (DC) | 5 | 3 | – | – | – | – | – | – | 10 | 7 | 2:1:2 | 11.2 | 0.8 | 1500 | EP10 | LT3575 & LT3748 |
| FKS750311625 | 10 - 40 V (DC) | 3.3 | 4 | – | – | – | – | – | – | 8 | 9 | 4:1:2.2 | 8 | 0.5 | 1500 | EP13 | LT3575 & LT3748 |
| FKS750311564 | 10 - 40 V (DC) | 5 | 3 | – | – | – | – | – | – | 8 | 9.07 | 3:1:1.75 | 8 | 0.25 | 1500 | EP13 | LT3575 & LT3748 |
| FKS750311624 | 10 - 40 V (DC) | 15 | 1 | – | – | – | – | – | – | 8 | 9 | 1.5:1:0.5 | 8 | 0.25 | 1500 | EP13 | LT3575 & LT3748 |
| FKS750310559 | 12 - 30 V (DC) | 3.3 | 1.3 | – | – | – | – | – | – | 5 | 24 | 4:1:1 | 2.1 | 0.5 | 1500 | EP10 | LT3573 & LT3575 |
| FKS750310564 | 12 - 30 V (DC) | 5 | 1 | -5 | 1 | – | – | – | – | 5 | 63 | 3:1:1:1 | 1.45 | 0.6 | 1500 | EP10 | LT3574 & LT3573 & LT3575 |
| FKS750311486 | 12 V (DC) | 200 | 0.002 | -200 | 0.002 | – | – | – | – | 4 | 100 | 1:10:10:0.219 | 2 | 4.5 | 1500 | EP13 | LT3748 |
| FKS750311681 | 12 V (DC) | 200 | 0.002 | -200 | 0.002 | – | – | – | – | – | 100 | 1:10:10 | 2 | 3 | 1500 | EP13 | LT3748 |
| FKS750310988 | 12 V (DC) | 48 | 0.85 | – | – | – | – | – | – | – | 14 | 1:4.42 | 15 | 0.2 | 1500 | EFD25 | LT3748 |
| FKS750310562 | 18 - 30 V (DC) | 12 | 0.8 | – | – | – | – | – | – | 12 | 25 | 2:1:1 | 2.8 | 0.5 | 1500 | EP10 | LT3573 & LT3575 |
| FKS750310563 | 18 - 30 V (DC) | 12 | 0.8 | – | – | – | – | – | – | 6 | 25 | 1:1:0.5 | 2.8 | 0.5 | 1500 | EP10 | LT3573 & LT3575 |
| FKS750311797 | 18 - 100 V (DC) | 12 | 2.5 | – | – | – | – | – | – | 12 | 14 | 2.5:1:1 | 11.5 | 0.21 | 4000 | EFD20 | LT3748 |
| FKS750311385 | 18 - 60 V (DC) | 13 | 2.3 | – | – | – | – | – | – | 14 | 15 | 1.25:1:1.1 | 6.75 | 0.2 | 1500 | EFD20 | LT3748 |
| FKS750311783 | 19 - 70 V (DC) | 24 | 2.5 | – | – | – | – | – | – | 12 | 20 | 1.5:1:0.5 | 16 | 0.225 | 1500 | EFD25 | LT3748 |
| FKS750311597 | 20 - 48 V (DC) | 5 | 6 | – | – | – | – | – | – | 10 | 6 | 3:1:2 | 9.5 | 0.3 | 1500 | EFD20 | LT3748 |
| FKS750311598 | 20 - 48 V (DC) | 12 | 2.5 | – | – | – | – | – | – | 10 | 8.3 | 2:1:0.8 | 9 | 0.3 | 1500 | EFD20 | LT3748 |
| FKS750311599 | 20 - 48 V (DC) | 15 | 2 | – | – | – | – | – | – | 10 | 8 | 1.5:1:0.67 | 12 | 1 | 1500 | EFD20 | LT3748 |
| FKS750311604 | 20 - 48 V (DC) | 24 | 1.3 | – | – | – | – | – | – | 10 | 8 | 1:1:0.42 | 9.5 | 0.4 | 1500 | EFD20 | LT3748 |
| FKS750311589 | 20 - 48 V (DC) | 5 | 9 | – | – | – | – | – | – | 10 | 6 | 3:1:2 | 18 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311591 | 20 - 48 V (DC) | 15 | 3 | – | – | – | – | – | – | 10 | 8 | 1.5:1:0.67 | 20 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311590 | 20 - 48 V (DC) | 12 | 3.8 | – | – | – | – | – | – | 10 | 8 | 2:1:1 | 18 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311592 | 20 - 48 V (DC) | 24 | 1.9 | – | – | – | – | – | – | 10 | 8 | 1:1:0.44 | 18 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311889 | 28 V (DC) | 250 | 0.1 | – | – | – | – | – | – | – | 37 | 1:2.5:2.5 | 2.95 | 0.16 | 500 | EFD25 | LT3748 |
| FKS750311605 | 30 - 75 V (DC) | 5 | 6 | – | – | – | – | – | – | 10 | 15 | 3.5:1:2 | 9.5 | 0.55 | 1500 | EFD20 | LT3748 |
| FKS750311607 | 30 - 75 V (DC) | 12 | 2.5 | – | – | – | – | – | – | 10 | 14 | 2.5:1:0.83 | 9.5 | 0.5 | 1500 | EFD20 | LT3748 |
| FKS750311600 | 30 - 75 V (DC) | 15 | 2 | – | – | – | – | – | – | 10 | 12 | 2:1:0.67 | 11 | 0.4 | 1500 | EFD20 | LT3748 |
| FKS750311608 | 30 - 75 V (DC) | 24 | 1.3 | – | – | – | – | – | – | 10 | 12 | 1.5:1:0.5 | 9 | 1 | 1500 | EFD20 | LT3748 |
| FKS750311593 | 30 - 75 V (DC) | 5 | 9 | – | – | – | – | – | – | 10 | 15 | 3.5:1:2 | 18 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311595 | 30 - 75 V (DC) | 15 | 3 | – | – | – | – | – | – | 10 | 12 | 2:1:0.8 | 16 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311594 | 30 - 75 V (DC) | 12 | 3.8 | – | – | – | – | – | – | 10 | 15 | 2.33:1:0.83 | 18 | 0.55 | 1500 | EFD25 | LT3748 |
| FKS750311596 | 30 - 75 V (DC) | 24 | 1.9 | – | – | – | – | – | – | 10 | 12 | 1.5:1:0.5 | 18 | 0.4 | 1500 | EFD25 | LT3748 |
| FKS750311305 | 36 V (DC) | 12 | 1 | – | – | – | – | – | – | 8 | 50 | 3:1:0.67 | 2.8 | 2 | 1500 | EP10 | LT3575 |
| FKS750311307 | 36 V (DC) | 24 | 0.5 | – | – | – | – | – | – | 8 | 100 | 2:1:0.33 | 1.9 | 3 | 1500 | EP10 | LT3574 & LT3575 |
| FKS750311303 | 36 V (DC) | 5 | 3 | – | – | – | – | – | – | 10 | 50 | 5:1:2 | 2.25 | 1.5 | 1500 | EP10 | LT3575 |
| FKS750311304 | 36 V (DC) | 5 | 3 | – | – | – | – | – | – | 10 | 50 | 4:1:1.5 | 2.4 | 1.5 | 1500 | EP10 | LT3574 & LT3575 |
| FKS750311342 | 36 V (DC) | 5 | 3 | – | – | – | – | – | – | 10 | 15 | 2:1:2 | 5.8 | 0.65 | 1500 | EP10 | LT3575 |
| FKS750311424 | 36 V (DC) | 12 | 1 | – | – | – |
