partfinder:powerconn
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Table of Contents
WANT MORE?? Dont forget to see everything else in the Part selector index!
DC Jacks
 | PJ-002AH or PJ-002A | 2.1mm w/thick pins (most common) Includes ground disconnect switch | Digikey Digikey Mouser 4UCON | adafruit:2.1MMJACK |
 | CUI PJ-102A | 2.1mm w/thin pins for bread & perf board (photo shows thicker pins) | Digikey Digikey | con-jack:JACK-PLUG:JACKPLUG0 |
| " | PJ-002B | 2.5mm w/thicker pins (less common) | Digikey Mouser | adafruit:2.1MMJACK |
| " | PJ-102B | 2.5mm w/thin pins (less common) | Digikey Digikey | con-jack:JACK-PLUG:JACKPLUG0 |
| Plug | CUI PP3-002A | 2.1mm solderable plug (to mate with above | Digikey Mouser | |
| Plug | CUI PP3-002B | 2.5mm solderable plug (to mate with above | Digikey Mouser |
Battery holders
9V
| Image | Description | Datasheet | Distributors |
|---|---|---|---|
 | Closed 'box' design with switch | EPD 12BH9V/CS-GR | Mouser |
 | 9V Clip with nice molded plastic I hate the paper ones that rip! | Keystone 2239 | Mouser Digikey |
Coin
| Image | Description | Datasheet | Distributors | Eagle library part |
|---|---|---|---|---|
 | 12mm coin cell holder THM version (for CR1220) | Keystone 3001 | Mouser Digikey | adafruit:CR1220 |
 | 12mm coin cell holder SMT version (for CR1220) | Keystone 3000 | Digikey Mouser | adafruit:CR1220 |
| | 20mm coin cell holder SMT version (for CR2032) | BK-883 | Digikey |
Cylindrical
| Image | Description | Datasheet | Distributors | Eagle library part |
|---|---|---|---|---|
 | 2xAA open holder with 6" wires | Keystone 2463 | Mouser Digikey | |
| | 2xAAA open holder with 6" wires | Keystone | Digikey Mouser | |
| | 2xAA closed holder with 6" wires and switch | MPD SBH-321AS | Mouser Digikey Rapid (UK) | |
 | Single AAA holder, PC pins | Keystone 2466 | Mouser Mouser Digikey | adafruit:AAA |
| 6 x AA battery holder with 6" wires | MPD BH26AAW | Digikey Mouser |
PC Connectors
The male connector is the kind you find on the hard drive, while the female would be on a power supply. It's the pins that matter, not the housing, for determining which style it is.
| 4-pin "Hard Drive Molex" style (male, pcb mount) | Molex 15-24-4745 | Mouser Digikey | |
| 20-pin ATX connector (pcb) | Molex 39-29-3206 | Mouser Digikey | |
| 24-pin ATX connector (pcb) | Molex 39-29-9242 (untested) | Mouser Digikey | |
| 4-pin ATX+12v (pcb) | Molex 39-31-0040 (untested) | Mouser | |
| 4-pin "Hard Drive Molex" (female) | housing: Tyco 1-480424-0 or Molex 15-24-4048 pins: Tyco 60617-1 or Molex 02-08-1201 | ||
| 4-pin "Hard Drive Molex" (male) | housing: Tyco 1-480426-0 or Molex 15-24-4047 pins: Tyco 1-480426-0 or Molex 02-08-1236 | ||
| 4-pin "Floppy Molex" (female) | housing: Molex 5102 22-01-1044 or Tyco 171822-4 pins: Molex 08-70-0056 | ||
| 4-pin "Floppy Molex" (male, pcb) | Tyco 171826-4 |
Fans
The motherboard fan connectors are .100 K.K. series Molex connectors. Two pins are for power, one for speed feedback. Note that these are compatible with .100 SL series Molex as well (the kind used on some servos and the FTDI cable).
| 2-pin female housing (white) | Molex 22-01-3027 | Mouser | |
| 3-pin female housing (white) | Molex 22-01-3037 | Mouser | |
| 4-pin female housing (3-pin compatible) | Molex 47054-1000 | Mouser | |
| Female pins | Molex 08-50-0114 | Mouser | |
| 2-pin male PCB mount with lock | Molex 22-23-2021 | Mouser | |
| 3-pin male PCB mount with lock | Molex 22-23-2031 | Mouser | |
| 4-pin male PCB mount (3-pin compatible) | Molex 47053-1000 | Mouser | |
| Panflo 3-pin tail | Digikey P11030-ND | ||
| Panflo 2-pin tail | Digikey P11031-ND |
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