Masters Communications CH-25 Crystal Heater Parts List QTY Part Description, and (notes) (The components below are packaged separately in clear plastic bag) 2 100 ohm 1/2W Metal Film (crystal heater resistors) 1 LM34 precision temperature sensor 1 3 position female Molex connector 1 5 position female Molex connector 10 Molex female contacts (The components below are installed onto the circuit board) 1 10k Pot (horizontal or vertical shaft) 1 10k 1/4W (RX) 1 10k 1/4W 1 10M 1/4W 1 100k 1/4W 1 330 ohm 1/4W 1 47pF ceramic 1 4.7uF X7R ceramic (blue - wide leads) 2 1uF ceramic (narrow leads - can be blue or yellow) 1 LM358 SMT op-amp 1 MJD31 SMT 3 amp pass transistor 1 78L05 voltage regulator 1 1N5240B Zener diode (over-dissipation protection) 1 5 position male Molex chassis connector 1 3 position male Molex chassis connector 1 CH-25 printed circuit board