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ECS-.327-12.5-8

更新时间： 2024-11-07 06:55:43
品牌 Logo 应用领域
ECS 晶体
页数 文件大小 规格书
1页 81K
描述
32.768 KHz TUNING FORK CRYSTALS

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ECS-.327-12.5-8 技术参数

是否无铅： 不含铅是否Rohs认证： 不符合
生命周期：ActiveReach Compliance Code：compliant
HTS代码：8541.60.00.10风险等级：5.47
老化：3 PPM/FIRST YEAR晶体/谐振器类型：PARALLEL - FUNDAMENTAL
驱动电平：1 µW频率稳定性：0.0049%
频率容差：20 ppm负载电容：12.5 pF
安装特点：THROUGH HOLE MOUNT标称工作频率：0.032768 MHz
最高工作温度：60 °C最低工作温度：-10 °C
物理尺寸：D3.1XH8.2 (mm)/D0.122XH0.323 (inch)串联电阻：35000 Ω
表面贴装：NOBase Number Matches：1

ECS-.327-12.5-8 数据手册

  
ECS-3X8, 2X6, 1X5 32.768 KHz TUNING FORK CRYSTALS  
ECS tuning fork type crystals are used as a  
FEATURES  
clock source in communication equipment,  
measuring instruments, microprocessors and  
other time management applications. Their  
low power consumption makes these crystals  
ideal for portable equipment.  
•
•
•
•
Cost effective  
Tight tolerance  
Long term stability  
Excellent resistance and environmental characteristics  
PART NUMBERING GUIDE “EXAMPLE”  
FREQUENCY  
LOAD CAPACITANCE  
PACKAGE TYPE*  
ECS  
ECS  
ECS  
–
–
–
.327  
.327  
.327  
–
–
–
12.5  
12.5  
8
–
–
–
8
13  
14  
* Package type examples (8=3x8, 13=2x6, 14=1x5)  
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS  
PARAMETERS  
ECS-3X8  
32.768  
±20  
12.5  
1
ECS-2X6  
32.768  
±20  
12.5  
1
ECS-1X5  
32.768  
±20  
8.0  
1
UNITS  
KHz  
PPM  
pF  
µW  
KΩ  
NOMINAL FREQUENCY  
FREQUENCY TOLERANCE  
LOAD CAPACITANCE (typ.)  
DRIVE LEVEL (max.)  
Fo  
∆f/fo  
CL  
DL  
R1  
Q
TM  
ß
AT SERIES RESONANCE  
RESISTANCE  
35 (max.)  
90,000 (typ.)  
+25 ±5  
35 (max.)  
70,000 (typ.)  
+25 ±5  
40 (max.)  
80,000 (typ.)  
+25 ±5  
Q-FACTOR  
TURNOVER TEMPERATURE  
TEMPERATURE COEFFICIENT  
SHUNT CAPACITANCE  
CAPACITANCE RATIO  
OPERATING TEMP. RANGE  
STORAGE TEMP. RANGE  
SHOCK RESISTANCE  
INSULATION RESISTANCE  
AGING (FIRST YEAR)  
MOTIONAL CAPACITANCE  
˚C  
PPM/(∆C˚)  
pF  
2
2
2
-0.040ppm/˚C max.  
-0.040ppm/˚C max.  
-0.040ppm/˚C max.  
Co  
1.60 (typ.)  
460 (typ.)  
1.35 (typ.)  
450 (typ.)  
-10~+60  
1.00 (typ.)  
400 (typ.)  
TOPR  
TSTG  
˚C  
˚C  
PPM  
MΩ  
PPM  
pF  
-40~+85  
Drop test 3 times on hard wooden board from height of 75cm / ±5 PPM max.  
500MΩ min./DC100V  
IR  
∆f/fo  
C1  
±3 PPM max. @ +25˚C ±3˚C  
0.0035 (typ.)  
0.0030 (typ.)  
0.0025 (typ.)  
Note: Contact factory for optional load capacitance.  
RECOMMENDED OSCILLATION  
PARABOLIC TEMPERATURE CURVE  
PACKAGE DIMENSIONS (mm)  
CIRCUIT  
T (˚C)  
Rf  
-20 -10  
0
10 20 30 40 50 60 70  
-10  
-20  
-30  
-40  
-50  
-60  
Rd  
8.2 Max.  
6.2 Max.  
5.1 Max.  
10  
Figure 1) ECS-3X8  
C1  
C2  
f/f (PPM)  
ELECTRICAL CHARACTERISTICS  
IC: TC 4069P  
To determine frequency stability, use parabolic  
curvature. For example: What is the stability at 45˚C?  
10  
Figure 2) ECS-2X6  
Rf: 10MΩ  
1) Change in T (˚C) = 45 -25 = 20˚C  
2) Change in frequency = -0.04 PPM x (∆T)2  
= -0.04 PPM x (20)2  
Rd: 330KΩ (As required)  
C1 = 22pF, C2 = 22pF  
VDD = 3.0V  
= -16.0 PPM  
In this circuit, low drive level with a maximum of  
1µW is recommended. If excessive drive is  
applied, irregular oscillation or quartz element  
fractures may occur.  
4.3  
Figure 3) ECS-1X5  
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM  
CRYSTALS CRYSTALS  
3
1

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