Standard HC - 49 / S Low Profile Microprocessor Crystal SMD Type	L13 Series Low Profile Crystal SMD Type	LSM200s Series Tuning Fork Crystal SMD Type
CSA 309 & 310 Miniature At Strip Crystal Units	Standard HC - 49 / U, Microprocessor Crystals DIP Type	Standard HC - 49 / S, Microprocessor Crystals DIP Type
HC - 49 / U High Accuracy Crystal Units DIP Type	L38, L26, L145 Series Tuning Fork Crystals DIP Type	HC - 49 / U ESR Characteristics And Tape And Reel Dimensions
Stand Monolithic Crystal Filters