HSR412SR2 brand manufacturers: Fairchild Semiconductor, Twicea stock, HSR412SR2 reference price.Fairchild Semiconductor. HSR412SR2 parameters, HSR412SR2 Datasheet PDF and pin diagram description download.You can use the HSR412SR2 Solid State Relays, DSP Datesheet PDF, find HSR412SR2 pin diagram and circuit diagram and usage method of function,HSR412SR2 electronics tutorials.You can download from the Twicea.