T3.25 Miniature Bulb with Wedge Base by Satco
The S7702 from Satco is a 2.24W T3.25 miniature bulb with a W2.1x9.5d base, designed for small indicator and accent lamp positions that call for this base. It is suitable for replacement use. Key features include a 28V rating, a clear finish, and a 15,000-hour rated life.
Key Features and Benefits of This Miniature Bulb
The 15,000-hour rated life means fewer replacements in hard-to-reach spots. The 360 degree beam spreads light in all directions, and the clear finish keeps the output uncolored. At just 1.06 inches long and 0.41 inches in diameter, it fits compact sockets.
Where to Use the S7702 Miniature Bulb
This bulb is a replacement for equipment and fixtures that specify a T3.25 miniature bulb with a W2.1x9.5d base at 28V. Lumenco's page does not list a location rating or a specific application, so match it to the original part number in your equipment rather than assuming it will fit.
Installation and Compatibility Checks
Before purchasing, confirm that your socket takes a W2.1x9.5d base and runs on 28V, since a different voltage can damage the bulb or the equipment. Check the 1.06 inch length against your fixture. Dimming, color temperature, and warranty details are not stated on the page.
Additional Buying Context
The bulb is RoHS compliant, and a Satco specification sheet is linked on the Lumenco page. Because miniature bulbs vary widely, match the base code, voltage, and size to your old bulb, and consider keeping a spare for equipment that is hard to service.
| Power | 2.24 Watt |
|---|---|
| Brightness | 0.65 Lumens |
| Voltage | 28V |
| Shade Finish | Clear |
| Technology | Miniature |
| Bulb Base | W2.1x9.5d |
| Average Rated Hours | 15000 hrs |
| Beam Angle | 360° |
| Certifications | RoHS |
| MOL | 1.06'' |
| MOD | 0.41" |
| Lamp Type | T3.25 |
| UPC | 045923077029 |
| Average life | 15000 hrs |





















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