DN1• 8
DN1 PARTS LIST
RESISTORS
1 270 ohm [red-violet-brown] (R12)
2 .5 ohm ½ Watt [green-black-silver] (R26, 27)
3 10 ohm [brown-black-black] (R 2, 10, 22)
2 470 ohm [yellow-violet-brown] (R3, 7)
4 1K ohm [brown-black-red] (R1, 5, 9, 25)
2 10K ohm [brown-black-orange] (R11, 20)
1 10K ohm 1% [brown-black-black-red] (R16)
1 17.8K ohm 1% [brown-violet-grey-red] (R14)
11 47K ohm resistors [yellow-violet-orange] (R4,6, 8,13,15,17,18,19,21,
23, 24)
CAPACITORS
3 1uF electrolytic capacitors (C1,C3,C3A)
3 10 uF electrolytic capacitors (C2, 5, 6)
INDUCTORS
1 Axial lead inductor [enameled wire wound on fer rite core] (L1)
SEMICONDUCTORS AND INTEGRATED CIRCUITS
3 1N4148 diodes [glass case with black ba nd] (D2, 4, 7)
2 1N4002 diode [epoxy case marked 1N4002] (D5, 6)
1 1N4937 fast recovery diode [ epoxy case marked 1N4937] (D1)
1 Light Emitting Diode [LED] (D3)
1 NPN small signal transistor [2N3904 or equivalent] (Q2)
1 NPN power type [marked TIP31C] (Q3)
1 Power FET [marked 7035] (Q1)
1 78L05 voltage regulator [marked 78L05] (VR1)
1 BQ2003 16 pin IC (U1)
MISCELLANEOUS PARTS AND HARDWARE
1 2.5mm power jack (J3)
1 10 position DIP switch (S1)
2 DPDT pushbutton switch (S2, 3)
1 DN1 printed circuit board
1 TO-220 heatsink (HS1)
2 #4-40 screws and nuts
1 Insulated jumper wire
1 6” piece of two conductive wire (blk, red)