1

盒型
HOLDER TYPE

HC-49

2

标准频率
NOMINAL FREQ

20.000MHZ

3

振动模式
MODE OF OSC

基频

4

调整频差
FREQ.STABILITY

±30PPM

5

温度频差
FREQ.TOLERANCE

±30PPM

6

谐振电阻
RESONATE RESISTOR

40Ω

7

工作温度
OPERATING TEMP.

-20/+70℃

8

负载电容
LOAD CAP.

20PF

9

激励功率
DRIVE LEVEL

100μW

10

静电容
SHUNT CAP.

≤7.0PF

11

绝缘电阻
INSULATION R

≥500MΩ(100VDC)

12

漏气率
LEAKING R

2*10-8ATM.CC/SEC

13

年老化率
AGING

+/-5PPM/YEAR