| U57-17 |
1 ELEMENT, 36000 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR |
| U57-19 |
1 ELEMENT, 50000 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR |
| U57-30 |
1 ELEMENT, 360000 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR |
| U57-32 |
1 ELEMENT, 500000 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR |
| U57-33 |
1 ELEMENT, 600000 uH, POWDERED IRON-CORE, GENERAL PURPOSE INDUCTOR |