參數(shù)資料
型號(hào)： XT38T32.768KHZE2
廠商： VISHAY DALE
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 0.032768 MHz
封裝： ROHS COMPLIANT, MINIATURE PACKAGE-2
文件頁(yè)數(shù)： 1/3頁(yè)
文件大小： 62K
代理商： XT38T32.768KHZE2
Document Number: 35043
For technical questions, contact: frequency@vishay.com
www.vishay.com
Revision: 18-Oct-07
1
Tuning Fork Crystal
XT38T
Vishay Dale
The tuning fork type quartz crystal provides ulitmate in size,
performance and economic trade-offs. So it is used as a
clock source in communication equipment, measuring
instrument, microprocessor and other time managment
applications.
FEATURES
Miniature package
Low cost
kHz frequency
Tight tolerance
Compliant to RoHS directive 2002/95/EC
To determine frequency stability, use parabolic curvature (k).
For example: What is stability at 45 °C?
1. Change in temperature (°C) = 45 °C - 25 °C = 20 °C
2. Change in frequency = - 0.042 ppm x (
Δ°C)
= - 0.042 ppm x (20)2
= - 16.8 ppm (max.)
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MIN.
TYP.
MAX.
Frequency range
FO
kHz
-
32.768
-
Frequency tolerance
ΔF/FO
at 25 °C
ppm
-
± 20
-
Frequency coefficient
K
ref. to 25 °C
ppm/(
Δ°C)2
-
- 0.042
Operating temperature range
TOPR
°C
- 10
-
+ 60
Storage temperature range
TSTG
°C
- 20
-
+ 70
Shunt capacitance
C0
pF
-
0.85
2
Motional capacitance
C1
fF
1
2
4
Load capacitance
CL
customer specified
pF
-
12.5
-
Insulation resistance
IR
100 VDC
M
Ω
500
-
Drive level
DL
μW
-
1
Aging (first year)
Fa
at 25 °C ± 3 °C
ppm
- 5
-
+ 5
Equation series resistance (ESR)
Rs
k
Ω
--
35
PARABOLIC TEMPERATURE CURVE
- 20 - 10
0
10 20
30 40 50 60 70
- 10
- 20
- 30
- 40
- 50
- 60
ΔF/f (ppm)
TEMPERATURE (°C)
DIMENSIONS in inches [millimeters]
0.326 [8.28] max.
0.122 [3.1] max.
0.354 [9.0] min.
0.012
[0.30]
0.043
[1.1]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XT38TTA32K768 功能描述:晶體 32.768 KHz 3X8 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
XT3S4LC4 功能描述:通用繼電器 1 form C 16A 24VDC RED LED RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料:
XT3S4R24 功能描述:通用繼電器 1 form C 16A 24 VAC RED LED RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料:
XT3S4S15 功能描述:通用繼電器 1 form C 16A 115 VAC RED LED RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料:
XT3S4T30 功能描述:通用繼電器 1 form C 16A 230 VAC RED LED RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料:
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