Solder eyelet termination, M8 panel thread
The ASJ-203C-M-WP is a 4-conductor (TRRS) phone jack from the Adam Tech ASJ series, terminated via solder eyelets for hand or wave soldering to discrete wires.

Adam Tech ASJ phone jack, order code ASJ-203C-M-WP, female, 4 conductors (TRRS), 2.50mm industry-recognized mating diameter, 500 mA, 30 VDC, panel mount, M8 thread, solder eyelet termination, unshielded.
| Parameter | Value |
|---|---|
| Series | ASJ |
| Mounting | Panel Mount |
| Connector type | Phone Jack |
| Voltage - rated | 30VDC |
| Current rating | 500 mA |
| Operating temperature | -20°C ~ 70°C |
| Body color | Black |
| Contact material | Steel Alloy |
| Housing material | Polyamide (PA10T), Nylon 10T |
| Mating length (Depth) | 0.433\" (11.00mm) |
| Contact material - plating | Silver |
| Gender | Female |
| Parameter | Value |
|---|---|
| Package | Bag |
| Features | Mounting Hardware Not Included |
| Shielding | Unshielded |
| Termination | Solder Eyelet(s) |
| Connector size | M8 |
| Signal lines | Stereo (4 Conductor, TRRS) |
| Actual diameter | 0.102\" (2.60mm) |
| Internal switch | Does Not Contain Switch |
| Number of positions (Contacts) | 4 Conductors, 4 Contacts |
| Industry recognized mating diameter | 2.50mm (0.094\", 3/32\", Sub Mini, Miniature) - Headphone |
The ASJ-203C-M-WP is a 4-conductor (TRRS) phone jack from the Adam Tech ASJ series, terminated via solder eyelets for hand or wave soldering to discrete wires.
The industry-recognized mating diameter is 2.50 mm (0.094", 3/32", sub-miniature) for standard headphone plugs.