YoungChang UL Part Number Designation System
-
stw
①
-
-f
②
-
xx
③
-
e
④
-
xxx
⑤
-
mm
⑥
-
aa
⑦
-
sb
⑧
- ① Insulation Type: SSW - single isulated wire SDW - double isulated wire STW - triple isulated wire
- ② Temperature class: B - Class B 130℃ F - Class B 155℃ H - Class B 180℃
- ③ Actual insulating Thickness in mils or mm.
- ④ Insulation Type：N-PET,E - ETFE,F - FEP,P – PFA
- ⑤ Insulation Color Codes：Each “X” represents one layer of insulation.
Brown 1, red 2, Orange 3, yellow 4, green 5, Blue 6, purple 7, gray 8, white 9, black 0,clear C
- ⑥ Conductor Material:BC = Solid Bare Copper BA = Bare Aluminum TC = Tinned copper NC = Nickel plated
copper MW=Magnet Wire
LZ - Litz wire, MWXX - “XX” two digits identing the R/C - Magnet Wires (OBMW2) ANSI MW Type
- ⑦ Conductor Size:by two digits indicating AWG Size or replaced by 2-4 digits to show equivalent metric
size in mm
- ⑧ SB represents self-bonding.
