Power supply PCB and components¶
Each electrophoresis power supply kit includes the following PCB and components.
Power supply PCB v1.3¶
PCB components¶
Table of components and vendors¶
| Part | Position | Qty | Description | Vendor | PN |
|---|---|---|---|---|---|
| 1 | L1 | 1 | 100uH power inductor | Digikey | M8271-ND |
| 2 | SW1 | 1 | slide switch | Digikey | CKC5102-ND |
| 3 | P1 | 1 | DC Jack, 2.1mm | Jameco | 137673 |
| 4 | P2 | 1 | Jumper | Digikey | S9341-ND |
| 5 | P2 | 1 | 2x1 pin array | Digikey | SAM1031-50-ND |
| 6 | C1, C3 | 2 | 100nF, 50V capacitor | Digikey | 445-5258-ND |
| 7 | RV1 | 1 | Knob | Jameco | 265051 |
| 8 | U1 | 1 | TO220 vertical heat sink | Digikey | A10764-ND |
| 9 | T1 | 1 | IRF644 transistor (FET) | Digikey | IRF644PBF-ND |
| 10 | RV1 | 1 | 50 K Rotary potentiometer | Digikey | P3C3503-ND |
| 11 | P3 | 2 | banana jacks | Newark | 80P3613 & 80P3616 |
| 12 | U1 | 1 | MAX1771 DC-DC controller | Digikey | MAX1771CPA+-ND |
| 13 | D1 | 1 | ES2F Diode | Digikey | EGP20G-E3/54GICT-ND |
| 14 | R1 | 1 | Resistor: 0.01 ohm, 1 W | Digikey | LVRA-.01RCT-ND |
| 15 | R3 | 1 | Resistor: 15 K, 1 W | Digikey | 15KWCT-MD |
| 16 | R2 | 1 | Resistor: 1 M, 1/2 W | Digikey | 1MGBCT-ND |
| 17 | C6 | 1 | Capacitor: 100 nF, 250 V | Digikey | P10967-ND |
| 18 | C4 | 1 | Capacitor: 100 uF, 50 V | Digikey | P15369CT-ND |
| 19 | C5 | 1 | Capacitor: 4.7 uF, 250 V | Digikey | 493-1414-ND |
| 20 | C2 | 1 | Capacitor: 10 uF, 250 V | Digikey | P5334-ND |