NEMA STANDARD (NW1000): MW77
IEC STANDARD (60317): 60317-23
FEDERAL SPECIFICATION: JW 1177/ 39
Film insulation composed of modified polyesterimide resins designed to solder at 470°C
Generally made at 24 AWG and finer sizes
More durable than polyurethane insulations
Applications: High temperature relays, transformers, automotive coils
NEMA STANDARD (NW1000): MW78
IEC STANDARD (60317): NONE
FEDERAL SPECIFICATION: JW 1177/ 40
Dual film composed of modified polyesterimide resins with nylon overcoat
Superior performance where winding stresses may be severe
Designed to solder at 470°C
Generally made in heavier gauge sizes
Applications: Transformers, automotive coils, appliance motors
Colors Available: Red, Green, Natural, Blue, Yellow, Black, Violet, Orange, White, Brown