ECS-.327-6-17TR-TR ECS Inc, ECS-.327-6-17TR-TR Datasheet

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ECS-.327-6-17TR-TR

Manufacturer Part Number
ECS-.327-6-17TR-TR
Description
Crystals 32.768MHz 6pF ECX-306
Manufacturer
ECS Inc
Series
ECX306r
Datasheet

Specifications of ECS-.327-6-17TR-TR

Tolerance
20 PPM
Termination Style
SMD/SMT
Operating Temperature Range
- 10 C to + 60 C
Dimensions
3.8 mm W x 8 mm L x 2.5 mm H
Mounting Style
SMD/SMT
Frequency
32.768 KHz
Load Capacitance
6 pF
Package / Case
8 mm x 3.8 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ECX-306/306I
PART NUMBERING GUIDE
** Package Type examples (-17= ECX-306, 17 I = ECX-306 I )
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
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
#1
0.5
#4
Figure 1) ECX-306 - Top, Side and End views
ECS
PARAMETERS
NOMINAL FREQUENCY
LOAD CAPACITANCE
DRIVE LEVEL
CALIBRATION TOLERANCE
EQUIVALENT SERIES RESISTANCE
TEMPERATURE COEFFICIENT
OPERATING TEMPERATURE RANGE
MAX. OPERATING TEMPERATURE RANGE
Q FACTOR
TURNOVER TEMPERATURE
STORAGE TEMPERATURE RANGE
INSULATION RESISTANCE
SHUNT CAPACITANCE
MOTIONAL CAPACITANCE
AGING (FIRST YEAR)
8.0 Max.
5.5
with pin connections
0.5
#2
#3
FREQUENCY
#4
#1
.327
Figure 3) ECX-306/306 I Land Pattern - Top view
“EXAMPLE”
1.3
@ 25˚C
∆f/fo
T
T
D
R
Fo
C
OPR
T
IR
C
C
STG
Q
#3
#2
O
L
L
1
o
1
SMD TUNING FORK CRYSTAL
Housing for the ECX-306/306I crystal is
made from the same thermoplastic that
is industry standard for integrated cir-
cuits. This ruggedized molded package
is excellent for SMD applications.
4.2
LOAD CAPACITANCE
SMD CRYSTALS
12.5
1.3
#1
0.5
#4
Figure 2) ECX-306 I - Top, Side and End views
8.7 Max.
5.5
with pin connections
13
0.5
#3
#2
12.5 Standard (6.0 Optional)
PACKAGE TYPE**
500M
±3 PPM max. @ +25˚C
-0.040 PPM/˚C
SMD CRYSTALS
0.003 pF typical
ECX-306/306
50,000 min.
1.35 typical
17
-55 ~ +125
-10 ~ +60
-40 ~ +85
+25 ± 5
50 max.
32.768
1 max.
min./ DC 100V
±20
#4
#1
1.15
2
max.
I
• Low profile
• Long term stability
• Industry standard footprint
• Excellent shock resistance
• Excellent environmental characteristics
• Tape and Reel (3,000 pcs)
FEATURES
#3
#2
C
1
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)
PARABOLIC TEMPERATURE CURVE
C
RECOMMENDED OSCILLATION
ELECTRICAL CHARACTERISTICS
-20
1
= 22pF, C
-10
Rf
Rd: 330KΩ (As required)
IC: TC 4069P, Rf: 10MΩ
0
10
CIRCUIT
-10
-20
-30
-40
-50
-60
f/f (PPM)
2
PPM/(∆C˚)
20 30 40 50
= 22pF, V
Rd
UNITS
C
PPM
PPM
2
KHz
MΩ
µW
KΩ
pF
°C
°C
°C
pF
pF
˚C
= -0.04 PPM x (20)
= -16.0 PPM
In this circuit, low
drive level with a
maximum of 1µW
is recommended.
If excessive drive
is applied, irregu-
lar oscillation or
quartz element
fractures may
occur.
DD
60
= 3.0V
2
70
2

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