Here’s a complete bill of materials for this project. Where a component is available from Farnell I’ve included the order code.
Designator | Value | Quantity | Footprint | Description | Farnell Order Code | Notes |
---|---|---|---|---|---|---|
C1, C2, C6, C7, C8, C9, C11, C13, C14 | 100n | 9 | 2.54mm lead spacing | Ceramic capacitor | 2309020 | |
C3 | 22u 16v | 1 | 2mm lead spacing | Polarized Capacitor (Radial) | 1870976 | |
C4 | 220u | 1 | 2.5mm lead spacing | Polarized Capacitor (Radial) | 1902883 | |
C5 | 220u | 1 | 2.5mm lead spacing | Polarized Capacitor (Radial) | 1902883 | |
C10 | 10u | 1 | 2mm lead spacing | Polarized Capacitor (Radial) | 1902913 | |
C12 | 1u | 1 | 5.08mm lead spacing | Capacitor | 2112910 | 1 |
D1, D7 | 1N4007 | 2 | DO-41 | 1 Amp General Purpose Rectifier | 2317417 | 2 |
D2 | 1 | LED-3MM | 3mm LED | 3 | ||
D3 | 1 | LED-3MM | 3mm LED | 3 | ||
D4 | 1 | LED-3MM | 3mm LED | 3 | ||
D5 | 1 | LED-3MM | 3mm LED | 3 | ||
D6 | SR150 | 1 | DO-204AL | Schottky Rectifier | 1861420 | |
FB1 | BLM18PG221SN1D | 1 | AXIAL-0.3 | Inductor | 2292304 | |
K1 | OJE-SS-112HMF,F000 | 1 | Relay TE OJ/OJE | Single-Pole Single-Throw Relay | 1891668 | |
L1 | RLB0914-331KL | 1 | RADIAL 5x9x9.5 | Inductor | 2309243 | |
L2 | RLB0712-100KL | 1 | RADIAL 10×7.2×3 | Inductor | 2434811 | |
P1 | Edge connector | 1 | 2×25 | 2.54mm pitch, 5.08mm row spacing | 4 | |
P2 | PM5.08/2/90 | 1 | PCB terminal block – 2 pin | WEIDMULLER PM5.08/2/90 | 1131855 | 5 |
P3 | PM5.08/2/90 | 1 | PCB terminal block – 2 pin | WEIDMULLER PM5.08/2/90 | 1131855 | 5 |
P4 | PM5.08/2/90 | 2 | PCB terminal block – 2×2 pin | WEIDMULLER PM5.08/2/90 | 1131855 | 5 |
P5 | Fan header | 1 | HDR1X3 | Header, 3-Pin | 588581 | |
P6 | 1 | 2.54mm | Header, 4-Pin | 6 | ||
P7 | 1 | 2.54mm x 2 | Header, 5-Pin, Dual row | 6 | ||
Q1, Q2, Q3, Q4 | BS170 | 4 | TO-92 | N-Channel MOSFET | 1017687 | |
R1, R9 | 680 | 2 | AXIAL-0.3 | Resistor | 2329545 | |
R2, R3 | 470 | 2 | AXIAL-0.3 | Resistor | 2329531 | |
R4, R7, R10, R12, R13, R14 | 10k | 6 | AXIAL-0.3 | Resistor | 2329474 | |
R5, R6 | 2.2k | 2 | AXIAL-0.3 | Resistor | 2329584 | |
R8 | 2m 1% | 1 | 2512 | Welwyn ULR2-R002FT2 | 1292491 | |
R11 | 68k | 1 | AXIAL-0.3 | Resistor | 2329546 | |
SW1 | PM5.08/2/90 | 3 | PCB terminal block – 3×2 pin | WEIDMULLER PM5.08/2/90 | 1131855 | 5 |
SW2 | 1 | PCB terminal block (3 pin) | Header, 3-Pin | 7 | ||
U1 | LM2574N-5.0/NOPB | 1 | DIP-8 | 0.5A Step-Down Voltage Regulator | 1469169 | 8 |
U2 | INA226AIDGST | 1 | MSOP-10 | Current Sense Amplifier | 1924807 | |
U3 | MCP9700-E/TO | 1 | HDR1X3 | MCP9700 plus fan-style header | 1332166,588581 | 9 |
U4 | MAX7221CNG | 1 | DIP-24 | 8-Digit LED Display Driver | 10,8 | |
U5, U7 | 03641A | 2 | 0.36″ 12 pin | 4 digit 7 segment LED common cathode | 410561X | 11 |
U6 | ATmega328P-PU | 1 | DIP-28 | 8-bit AVR Microcontroller | 1715487 | 12,8 |
Some of the components have note numbers against them. The following numbered paragraphs correspond to a numbered note in the bill of materials table.