ECS-.327-8-14 ECS Inc, ECS-.327-8-14 Datasheet
ECS-.327-8-14
Manufacturer Part Number
ECS-.327-8-14
Description
CRYSTAL 32.768 KHZ 8PF CYL
Manufacturer
ECS Inc
Series
ECS-1x5r
Type
Tuning Forkr
Datasheet
1.ECS-.327-12.5-13.pdf
(1 pages)
Specifications of ECS-.327-8-14
Frequency
32.768kHz
Frequency Tolerance
±20ppm
Load Capacitance
8pF
Operating Mode
Fundamental
Operating Temperature
-10°C ~ 60°C
Mounting Type
Through Hole
Package / Case
Cylindrical Can, Radial
Size / Dimension
0.059" Dia x 0.201" L (1.50mm x 5.10mm)
Height
0.201" (5.10mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Frequency Stability
-
Other names
ECS-1.5X5
X803
X803
ECS-3X8, 2X6, 1X5
PART NUMBERING GUIDE
* Package type examples (8=3x8, 13=2x6, 14=1x5)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
Note: Contact factory for optional load capacitance.
PACKAGE DIMENSIONS (mm)
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
ECS
ECS
ECS
PARAMETERS
NOMINAL FREQUENCY
FREQUENCY TOLERANCE
LOAD CAPACITANCE (typ.)
DRIVE LEVEL (max.)
RESISTANCE
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
5.1 Max.
6.2 Max.
8.2 Max.
AT SERIES RESONANCE
Figure 3) ECS-1X5
–
–
–
Figure 2) ECS-2X6
Figure 1) ECS-3X8
4.3
FREQUENCY
.327
.327
.327
∆f/fo
∆f/fo
T
T
T
Fo
C
D
R
C
C
OPR
IR
Q
ß
STG
10
M
L
o
1
L
1
10
“EXAMPLE”
-0.040ppm/˚C
–
–
–
ECS tuning fork type crystals are used as a
clock source in communication equipment,
measuring instruments, microprocessors and
other time management applications. Their
low power consumption makes these crystals
ideal for portable equipment.
90,000 (typ.)
0.0035 (typ.)
1.60 (typ.)
35 (max.)
460 (typ.)
ECS-3X8
LOAD CAPACITANCE
32.768
+25 ±5
12.5
±20
1
2
max.
12.5
12.5
32.768 KHz TUNING FORK CRYSTALS
8
Drop test 3 times on hard wooden board from height of 75cm / ±5 PPM max.
CRYSTALS
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.
–
–
–
RECOMMENDED OSCILLATION
ELECTRICAL CHARACTERISTICS
±3 PPM max. @ +25˚C ±3˚C
3
C
1
Rd: 330KΩ (As required)
500MΩ min./DC100V
PACKAGE TYPE*
-0.040ppm/˚C
C
1
CRYSTALS
70,000 (typ.)
0.0030 (typ.)
= 22pF, C
1.35 (typ.)
IC: TC 4069P
35 (max.)
450 (typ.)
ECS-2X6
-10~+60
-40~+85
CIRCUIT
V
13
14
Rf: 10MΩ
32.768
+25 ±5
8
DD
12.5
±20
1
= 3.0V
Rf
2
2
max.
= 22pF
• Cost effective
• Tight tolerance
• Long term stability
• Excellent resistance and environmental characteristics
FEATURES
Rd
C
2
-0.040ppm/˚C
T (˚C)
To determine frequency stability, use parabolic
curvature. For example: What is the stability at 45˚C?
1) Change in T (˚C) = 45 -25 = 20˚C
2) Change in frequency = -0.04 PPM x ( ∆ T)
80,000 (typ.)
0.0025 (typ.)
1.00 (typ.)
400 (typ.)
PARABOLIC TEMPERATURE CURVE
40 (max.)
ECS-1X5
32.768
+25 ±5
-20
±20
8.0
1
-10
2
max.
0
10
-10
-20
-30
-40
-50
-60
f/f (PPM)
= -0.04 PPM x (20)
= -16.0 PPM
20 30 40 50
PPM/(∆C˚)
UNITS
60
PPM
PPM
PPM
KHz
MΩ
µW
KΩ
2
2
pF
pF
pF
˚C
˚C
˚C
70
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