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參數(shù)資料
| 型號： | ECX-.327-12.5-15 |
| 廠商： | ECS INC INTERNATIONAL |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.032768 MHz |
| 封裝： | MINIATURE PACKAGE, SMD, 3 PIN |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 73K |
| 代理商： | ECX-.327-12.5-15 |
15
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
SMD CRYSTALS
FEATURES
Cost effective
Low profile
Long term stability
Tape & Reel packaging
ECX-26/ECX-15
32.768 KHz SMD TUNING FORK CRYSTAL
7.95
±0.05
<Top View>
2.05
±0.05
#3
#2
#1
#3
#1
1.55
±0.05
0.75
0.6
0.75
0.85
6.4
0.85
0.5
0.85
2.2
0.6
Figure 3) ECX-15 Top, Side Bottom & End views
The miniature ECX-26 and the sub-miniature
ECX-15 are compact, cost effective SMD
tuning fork crystals. The slimline molded
package requires less space than other SMD
tuning fork crystals.
Figure 4) ECX-15 Land Pattern
8.95
±0.05
2.25
±0.05
#3
#2
#1
#3
#1
2.05
±0.05
0.75
0.85
0.9
0
.85
<Top View>
0.85
7.4
0.85
0.95
0.8
0
.95
2.7
0.7
Figure 1) ECX-26 Top, Side Bottom & End views
Figure 2) ECX-26 Land Pattern
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
ECX-26
ECX-15
PARAMETERS
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
FREQUENCY RANGE
FO
32.768
KHz
FREQUENCY TOLERANCE
f/fo
±20
PPM
LOAD CAPACITANCE
Optional CL available
12.5
pF
DRIVE LEVEL
DL
1.0
W
EQUIV. SERIES RESISTANCE
R1
50K
55K
Q-FACTOR
Q
70K
Q
TURNOVER TEMPERATURE
+20
+25
+30
+20
+25
+30
C
TEMPERATURE COEFFICIENT
β
-0.35
-0.04
-0.35
-0.04
PPM/C2
SHUNT CAPACITANCE
CO
0.9
0.95
pF
CAPACITANCE RATIO
360
380
OPERATING TEMP RANGE
TOPR
-20
+70
-20
+70
C
STORAGE TEMP RANGE
TSTG
-40
+125
-40
+125
C
INSULATION RESISTANCE
@ 100V DC ±15V
500M
AGING (FIRST YEAR)
@ +25C ±3C
±3
PPM
MOTION CAPACITANCE
C1
0.0025
+0.0025
PF
PACKAGE DIMENSIONS (mm)
PART NUMBERING GUIDE “EXAMPLE”
MANUFACTURER
FREQUENCY (32.768 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE
ECS
–
.327
–
12.5
–
26
* Package type examples (26=ECX-26, 27=ECX-15) Sample Part Number: ECS-.327-12.5-26
PARABOLIC TEMPERATURE CURVE
-20
-10
-20
-30
-40
-50
-60
-10
0
10
203040 50
60
70
f/f (PPM)
T (C)
To determine frequency stability, use parabolic
curvature. For example: What is the stability at 45C?
1) Change in T (C) = 45 -25 = 20C
2) Change in frequency = -0.04 PPM x (
T)
2
= -0.04 PPM x (20)
2
= -16.0 PPM
Rf
Rd
C2
C1
ELECTRICAL CHARACTERISTICS
IC: TC 4069P, Rf: 10M
Rd: 330K
(As required)
C1 = 22pF, C2 = 22pF, VDD = 3.0V
In this circuit, low
drive level with a
maximum of 1W
is recommended.
If excessive drive
is applied, irregu-
lar oscillation or
quartz element
fractures may
occur.
RECOMMENDED OSCILLATION
CIRCUIT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ECX-39 | 制造商:ECS 制造商全稱:ECS, Inc. 功能描述:SMD TUNING FORK CRYSTAL |
| ECX-3S | 制造商:ECS 制造商全稱:ECS, Inc. 功能描述:SMD QUARTZ CRYSTAL |
| ECX-3SX | 制造商:ECS 制造商全稱:ECS, Inc. 功能描述:SMD QUARTZ CRYSTAL |
| ECX-3TA | 功能描述:晶體 32.768 FREQ RoHS:否 制造商:AVX 頻率:26 MHz 容差: 頻率穩(wěn)定性:50 PPM 負(fù)載電容:8 pF 端接類型:SMD/SMT 封裝 / 箱體:1210 (3225 metric) 工作溫度范圍:- 40 C to + 150 C 尺寸:2.5 mm W x 3.2 mm L x 0.85 mm H 封裝:Reel |
| ECX-3TAX | 制造商:ECS 制造商全稱:ECS, Inc. 功能描述:MICRO MINIATURE SMD TUNING FORK CRYSTAL |
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