The 4939 is a zero-height surface mount threaded insert for 4-40 threads, with a height of 0.012 in (0.30 mm) and a mounting hole diameter of 0.166 in (4.2 mm). It features a solder pad diameter of 0.244 in (6.2 mm) and is supplied on 13-inch reels with 1,500 pieces per reel, using Kapton tape for vacuum pick and place. The insert is made of steel with tin plating and is RoHS compliant.
Part Number: 4939
Mounting Details:
Round Standoff Threaded #4-40 Steel
Round Standoff Threaded #4-40 Steel
Round Standoff Threaded #4-40 Steel
Standoffs & Spacers 4-40 SMT Threaded Insert Tape and Reel
| Keystone Electronics Corp. | DigiKey | VAST STOCK CO., LIMITED | |
|---|---|---|---|
| Product Category | Posts, Spacers, and Standoffs | Posts, Spacers, and Standoffs | Posts, Spacers, and Standoffs |
| Product Number | 4939 | 36-4939TR-ND | 4939 |
| Product Name | 4-40 "Zero" Height SMT Threaded Insert | Board Spacers, Standoffs | Standoffs & Spacers |
| Mounting | Threaded; SMT |
