This specification covers the detail requirements for style RCTN0404 chip thermistors. This style is available in resistance ratios A, B, C, D, H, L, M, N, R, and X. Termination materials B, G, U, T, C, D, S, and W are available through qualification. Resistance tolerance versus temperature characteristics F, G, J, and K are applicable through the maximum temperature of 125 degrees C.