Shenzhen Intros STB-015/020/035/050 Power Supplies

Shenzhen Shengtai Ind. Co. Ltd. (China) announced its new STB-015 (10W to 15W), STB-020 (20W), STB-035 (35W) and STB-050 (50W) switching power supplies, which provide over-voltage protection and short-circuit protection, and exhibit high efficiency, high stability and reliability. Applications include portable DVD players, network hubs, automotive stereo systems, telecom devices, computer equipment and medical instrumentation.

Operating from 0 to 40 degrees C, with 10 to 90 percent RH, the new switching power supplies accept input voltages ranging from 90Vac to 264Vac at 50Hz/60Hz. They provide output voltages of 5V, 7.5V, 12V, 18V and 24V. At 115Vac, the nominal input current is 1A and the maximum inrush current is 40A (cold start). Line regulation is rated at ±1 percent, while load regulation is ±5 percent. The power supplies deliver a minimum efficiency of 70 percent at full load. Service life is up to 50,000h at 25 degrees C.