HC49/4H中文資料ETC數(shù)據(jù)手冊PDF規(guī)格書

[CMAC]

Delivery Options

■ Common frequencies maybe available from stock

■ Lower height holders available please contact sales office

Holder Style

■ HC49/4H crystals are resistance welded, hermetically

sealed in an inert atmosphere with glass to metal seals

securing the lead wires

■ Holders suffixed ‘–3L have a centre third wire which

grounds the case

General Specifications

■ Load Capacitance (CL): 10pF to 75pF or Series

■ Drive Level: 500μW max.

■ Static Capacitance (C0): 7pF max.

■ Ageing: ±5ppm typical per year, ±1ppm available on request