7157 brand manufacturers: Pomona Electronics, Twicea stock, 7157 reference price.Pomona Electronics. 7157 parameters, 7157 Datasheet PDF and pin diagram description download.You can use the 7157 Barrel - Audio Connectors, DSP Datesheet PDF, find 7157 pin diagram and circuit diagram and usage method of function,7157 electronics tutorials.You can download from the Twicea.