Electronic ballast for fluorescent lamps, model PPB-21U4.LD from ERL, is compatible with TL5 lamps of 28W. It operates with an input voltage of 18-32V DC and has a power specification of 28W. The maximum output current is 0.25A, and the maximum starting current is 1.2A.
The operating temperature range is from -30°C to +80°C, with a maximum case temperature (tc) of +85°C. The switching lifespan is over 100,000 cycles, and the ballast provides a dimming function of up to 35%.
The product complies with RoHS standards and has the CE mark, ensuring compliance with European regulations. Its compact dimensions, as shown next to the ruler in the image, make it easy to integrate into various lighting applications.