Profile: Marvel Electric Corporation. is a manufacturer of transformers. Our product line includes custom transformers and catalog transformers. Our custom transformer includes power transformers, audio transformers, inductors, specialty coils, pulse transformers, switch mode transformers and PCB mounted transformers. Our catalog transformers includes telephone coupling transformers which are used in applications such as impedance matching, line balancing, bridging, holding coils, isolation & repeat coils. Our catalog power transformers are used in single or dual output DC supplies and isolated control circuit & reference supplies.