The part number 290 is a left-hand, two-cell leaf spring contact designed for battery compartments, made of 0.012 inch (0.30 mm) spring steel with nickel plating. It features a 0.175 inch (4.4 mm) diameter contact tip, a 0.250 inch (6.4 mm) standoff, and an overall length of 0.820 inch (20.8 mm). The two leaf contacts are connected by a web for stability, and the contact tab is 0.250 inch (6.4 mm) long with a 0.055 inch (1.4 mm) reference height. It is intended for use with battery sizes A, AA, CR2, and CR123A.
Part Number: 290
POSITIVE/NEGATIVE BATTERY CONTACT; Battery Sizes Accepted:AA, A; Battery Terminals:Snap Contact; Contact Material:Steel; Contact Plating:Nickel Plated Contacts; Product Range:-; Accessory Type:Spring Contact; Height:0.449" RoHS Compliant: Yes
| Keystone Electronics Corp. | Newark, An Avnet Company | |
|---|---|---|
| Product Category | Electrical Contacts | Electrodes and Electrode Materials |
| Product Number | 290 | 95B9619 |
| Product Name | 2 Cell Leaf Spring (Left) Contact | Positive/negative Battery Contact; Battery Sizes Accepted Keystone |
| Contact Material | Steel; Base Metal |
