ECS-31
ECS-31 is LOW FREQUENCY QUARTZ CRYSTALS manufactured by ECS Inc.
features the same characteristics as only tuning fork crystals offer. Because of their miniature size they are ideal for portable and munication equipment applications.
FEATURES
- Miniature size
- Cost effective
- Long term stability
- Excellent shock and vibration characteristics
PART NUMBERING GUIDE “EXAMPLE”
MANUFACTURER ECS ECS ECS
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- FREQUENCY .400 .400 2.0
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- LOAD CAPACITANCE 12.5 12.5 12.5
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- PACKAGE TYPE- 8 13 14
- Package type examples (8=3x8, 13=2x6, 14=1x5)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS FREQUENCY RANGE FREQUENCY TOLERANCE FREQUENCY VS. TEMP. CHARAC. TURNOVER TEMPERATURE TEMPERATURE COEFFICIENT OPERATING TEMP. RANGE STORAGE TEMP. RANGE EQUIVALENT SERIES RESISTANCE LOAD CAPACITANCE MOTIONAL CAPACITANCE SHUNT CAPACITANCE CAPACITANCE RATIO DRIVE LEVEL INSULATION RESISTANCE AGING (FIRST YEAR) SHOCK RESISTANCE fo ∆ f/f o ∆ f/f o Tm ß T OPR TSTG R1 CL C1 C0 τ DL IR ∆ f/f o 3X8 20KHz ~ 40KHz ±30 PPM 2X6 30KHz ~ 150KHz ±30 PPM See Drawing +25˚C typ. 2 -0.034 PPM/˚C typ. -10 ~ +60 -40 ~ +85 30 ~ 50 (max.) 12.5p F typ. (Customer Specified) 1 ~ 4f F typ. 0.8 ~ 1.7p F typ. 425 ~ 800 typ. 1µW max. 500 MΩ min. ±5 PPM max. ±5 PPM max. 1X5 200KHz ±10,000 PPM CONDITIONS KHz @ +25˚C -10˚C ~ +60˚C
Varies depending on frequency
10 (max.)
˚C ˚C KΩ p F f F p F µW DC 100V±15 +25˚C ± 3˚C
Conditions will vary depending on frequency
Drop test of 3 times on a hard board from 75 cm height or shock test of 3000G x 0.3ms x 1/2 sin wave x 3 directions
PACKAGE DIMENSIONS (mm)
ø 1.5 Max
PARABOLIC TEMPERATURE CURVE
T (˚C)
-20 -10 0 10 20 30 40 50 -10 -20 -30 -40 60 70
Ø 3.1 Max.
ø 0.35
8.2 Max.
5.1 Max.
ø 0.2
-50 -60
Figure 1) ECS-31-8
Figure 3) ECS-31-14 f/f...
